NBM Bus Converter　NBM2317S60E1560T0R

NBM™ Bus Converter NBM2317S60E1560T0R Non-Isolated, Fixed Ratio DC-DC Converter Features & Benefits Product Ratings (Step-Down Operation) • Maximum continuous output power: 800W VHI = 54V (38 – 60V) ILO = up to 60A „„Up to 1kW, 2ms peak power capability V = 13.5V (9.5 – 15V) • Rated output current (step-down operation): LO K = 1/4(no load) „„60A continuous „„100A transient, up to 2ms Product Description • Rated output current (step-up operation): The NBM2317S60E1560T0R is a high-efficiency Non-Isolated Bus „„15A continuous Converter operating from a 38 to 60VDC high-side voltage bus to „„25A transient, up to 2ms deliver a ratiometric low-side voltage from 9.5 to 15VDC. • Up to 4.5kW/in3 power density The NBM2317S60E1560T0R offers low noise, fast transient response, and industry-leading efficiency and power density. In • 97.9% peak efficiency addition, it provides an AC impedance beyond the bandwidth of • Parallel operation for multi-kW arrays most downstream regulators, allowing input capacitance normally located at the input of a PoL regulator to be located at the high • OV, OC, UV, short circuit and thermal protection side of the NBM. With a high-side to low-side K factor of 1/4, that • NBM2317 SM-ChiP™ package capacitance value can be reduced by a factor of 16x, resulting in savings of board area, material and total system cost. „„0.899 x 0.683 x 0.292in [22.83 x 17.34 x 7.42mm] Leveraging the thermal and density benefits of Vicor SM-ChiP packaging technology, the NBM offers flexible thermal • Thermally-adept SM-ChiP management options with very low top- and bottom-side thermal impedances. Thermally-adept SM-ChiP-based power components • Bidirectional start up and steady-state operation enable customers to achieve low-cost power system solutions • Simple implementation, no external components required with previously unattainable system size, weight and efficiency attributes quickly and predictably. • Built-in hot-swap capabilities and inrush current limiting The NBM non-isolated topology allows bidirectional start up and steady-state operation and provides bidirectional protections. Typical Applications • DC Power Distribution • High-Performance Computing Systems (HPC) • Mild Hybrid and Autonomous Vehicles • Automated Test Equipment (ATE) • Industrial Systems • High-Density Power Supplies • Communications Systems • Transportation • Bidirectional DC Energy Storage Note: Product images may not highlight current product markings. NBM™ Bus Converter Rev 1.4 Page 1 of 31 11/2019

NBM2317S60E1560T0R Typical Applications NBM TM / OG EN enable/disable switch FUSE +VHI +VLO PGND V PGNDHI HI SIDE LO SIDE CI_NBM_ELEC PoL SOURCE_RTN NBM2317S60E1560T0R + point-of-load NBM Step-Down Operation Load1 +VHI +VHI +VLO Load2 CIN_EXT COUT_EXT Point-of-Load PGND Regulator Load3 HI SIDE LO SIDE PGND Point-of-Load Regulator Load4 NBM2317S60E1560T0R in step-down operation powering point-of-load regulators and direct loads NBM™ Bus Converter Rev 1.4 Page 2 of 31 11/2019

NBM2317S60E1560T0R Typical Applications (Cont.) NBM Step-Up Operation +VLO +VLO +VHI PRM™ VTM™ Load1 CIN_EXT COUT_EXT PGND MCD MCM™ Load2 LO SIDE HI SIDE PGND NBM2317S60E1560T0R in step-up operation powering PRM + VTMs and MCD + MCM NBM™ Bus Converter Rev 1.4 Page 3 of 31 11/2019

NBM2317S60E1560T0R Pin Configuration TOP VIEW +VHI 1 TM / OG 2 6 5 +V PGND LOEN 3 +VHI 4 NBM2317 SM-ChiP™ Top-side indicator Pin Descriptions Pin Number Signal Name Type Function 1, 4 +VHI HIGH SIDE POWER High-side power positive terminals 2 TM / OG OUTPUT Temperature Monitor and Output Good 3 EN INPUT Enables / disables NBM. When held low, the unit will be disabled 5 +VLO LOW SIDE POWER Low-side power positive terminal 6 PGND POWER RETURN Common negative high-side and low-side power return terminal NBM™ Bus Converter Rev 1.4 Page 4 of 31 11/2019

NBM2317S60E1560T0R Part Ordering Information Part Number Temperature Grade Option Tray Size NBM2317S60E1560T0R T = –40 to 125°C 0R = Reversible Analog Control 55 parts per tray All products shipped in JEDEC standard high-profile (0.400” thick) trays (JEDEC Publication 95, Design Guide 4.10). Absolute Maximum Ratings The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent damage to the device. Parameter Comments Min Max Unit +VHI_DC to PGND –1 80 V VHI_DC or VLO_DC Slew Rate 1 V/µs (Operational) +VLO_DC to PGND –1 16.9 V TM to PGND 7 V –0.3 EN to PGND 15 V NBM™ Bus Converter Rev 1.4 Page 5 of 31 11/2019

NBM2317S60E1560T0R Electrical Specifications Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit General Powertrain Specification – Step-Down Operation (High-Voltage Side to Low-Voltage Side) High-Side Input Voltage Range VHI_DC 38 60 V(Continuous) Disabled, EN low, VHI_DC = 54V 1.5 High-Side Input Quiescent Current IHI_Q mA TINTERNAL ≤ 100ºC 3.0 VHI_DC = 54V, TINTERNAL = 25ºC 3.6 7 VHI_DC = 54V 2 11 No Load Power Dissipation PHI_NL W VHI_DC = 38 – 60V, TINTERNAL = 25ºC 8 VHI_DC = 38 – 60V 14.5 VHI_DC = 54V, CLO_EXT = 1000μF, no load 7.5 High-Side Input Inrush Current Peak IHI_INR_PK A TINTERNAL ≤ 100ºC 12 DC High-Side Input Current IHI_IN_DC At ILO_OUT_DC = 60A, TINTERNAL ≤ 100ºC 16.3 A High voltage side to low voltage side, Transformation Ratio K 1/4 V/V K = VLO_DC / VHI_DC, at no load Low-Side Output Current ILO_OUT_DC 38V ≤ VHI_DC ≤ 60V 60 A(Continuous) 2ms pulse, 25% duty cycle, Low-Side Output Current (Pulsed) ILO_OUT_PULSE 100 AILO_OUT_AVG ≤ 50% rated ILO_OUT_DC Low-Side Output Power (Continuous) PLO_OUT_DC 54V < VHI_DC ≤ 60V 800 W 2ms pulse, 25% duty cycle, Low-Side Output Power (Pulsed) PLO_OUT_PULSE 1000 WPLO_OUT_AVG ≤ 50% rated PLO_OUT_DC VHI_DC = 54V, ILO_OUT_DC = 60A 97.0 97.4 Efficiency (Ambient) η V = 38 – 60V, I = 60A 96.2 % AMB HI_DC LO_OUT_DC VHI_DC = 54V, ILO_OUT_DC = 30A 97.3 97.8 VHI_DC = 54V, ILO_OUT_DC = 60A 96.7 97.4 Efficiency (Hot) η % HOT VHI_DC = 54V, ILO_OUT_DC = 30A 97.3 97.9 Efficiency (Over Load Range) η 12A < I < 60A 92.0 % 20% LO_OUT_DC RLO_COLD VHI_DC = 54V, ILO_OUT_DC = 60A, TINTERNAL = –40°C 2.6 3.3 4 Low-Side Output Resistance RLO_AMB VHI_DC = 54V, ILO_OUT_DC = 60A 3.5 4.4 5.3 mΩ RLO_HOT VHI_DC = 54V, ILO_OUT_DC = 60A, TINTERNAL = 100°C 4.4 5.5 5.7 Switching Frequency FSW Low-side voltage ripple frequency = 2x FSW 1.57 1.62 1.67 MHz CLO_EXT = 0μF, ILO_OUT_DC = 60A, VHI_DC = 54V, 120 Low-Side Output Voltage Ripple V 20MHz BWLO_OUT_PP mV TINTERNAL ≤ 100ºC 180 Effective High-Side Input C Effective value at 54V 11.2 µF Capacitance (Internal) HI_INT HI_DC Effective Low-Side Output C Effective value at 13.5V 55 µF Capacitance (Internal) LO_INT LO_DC Rated Low-Side Output Excessive capacitance may drive module C 1000 µF Capacitance (External) LO_OUT_EXT into short circuit protection Rated Low-Side Output Capacitance CLO_OUT_AEXT Max = N • 0.5 • CLO_OUT_EXT MAX, C 500 µF (External), Parallel Array Operation LO_OUT_AEXT where N = the number of units in parallel NBM™ Bus Converter Rev 1.4 Page 6 of 31 11/2019

NBM2317S60E1560T0R Electrical Specifications (Cont.) Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit Powertrain Protection Specification – Step-Down Operation (High-Voltage Side to Low-Voltage Side), Cont. Start up into a persistent fault condition. Non-latching Auto Restart Time tAUTO_RESTART 350 500 600 msfault detection given VHI_DC > VHI_UVLO+ High-Side Input Overvoltage VHI_OVLO+ 64.6 66 VLockout Threshold High-Side Input Overvoltage VHI_OVLO– 60 64 VRecovery Threshold High-Side Input Overvoltage V 0.4 V Lockout Hysteresis HI_OVLO_HYST High-Side Input Overvoltage t 1 µs Lockout Response Time HI_OVLO High-Side Input Undervoltage VHI_UVLO– 31.6 33.2 VLockout Threshold High-Side Input Undervoltage V Recovery Threshold HI_UVLO+ 35 38 V High-Side Input Undervoltage V 2 V Lockout Hysteresis HI_UVLO_HYST High-Side Input Undervoltage t 100 µs Lockout Response Time HI_UVLO From V = V to powertrain active, Input-to-Output Undervoltage HI_DC HI_UVLO+ t Start-Up Delay HI_TO_LO_DELAY EN floating (i.e., one-time start-up delay from 600 ms application of VHI_DC to VLO_DC) Low-Side Output Soft-Start From powertrain active; fast current limit protection t Ramp Time LO_SOFT_START 0.5 ms disabled during soft start Low-Side Output Overcurrent I Trip Threshold LO_OUT_OCP 61 75 110 A Low-Side Output Overcurrent t Response Time Constant LO_OUT_OCP Effective internal RC filter 2 5 ms Low-Side Output Short Circuit I Protection Trip Threshold LO_OUT_SCP 100 A Low-Side Output Short Circuit t 1 µs Protection Response Time LO_OUT_SCP Overtemperature tOTP+ Temperature sensor located inside controller IC 125 °CShutdown Threshold Overtemperature t 105 110 115 °C Recovery Threshold OTP– Undertemperature t Temperature sensor located inside controller IC –45 °C Shutdown Threshold UTP NBM™ Bus Converter Rev 1.4 Page 7 of 31 11/2019

NBM2317S60E1560T0R Electrical Specifications (Cont.) Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit General Powertrain Specification – Step-Up Operation (Low-Voltage Side to High-Voltage Side) Low-Side Input Voltage Range (Start Up) 10.8 15 VLO_DC V Low-Side Input Voltage Range (Continuous) 9.5 15 Disabled, EN low, VLO_DC = 13.5V 0.6 Low-Side Input Quiescent Current ILO_Q mA TINTERNAL ≤ 100ºC 1.2 VLO_DC = 13.5V, TINTERNAL = 25ºC 4.3 7 VLO_DC = 13.5V 3 11 No Load Power Dissipation PLO_NL W VLO_DC = 9.5 – 15V, TINTERNAL = 25 ºC 8 VLO_DC = 9.5 – 15V 14 VLO_DC = 15V, CHI_EXT = 68μF, no load 45 Low-Side Input Inrush Current Peak ILO_INR_PK A TINTERNAL ≤ 100ºC 60 DC Low-Side Input Current ILO_IN_DC At IHI_OUT_DC = 15A, TINTERNAL ≤ 100ºC 62 A Low-voltage side to high-voltage side, Transformation Ratio K 4 V/V K = VHI_DC / VLO_DC, at no load High-Side Output Current IHI_OUT_DC 9.5V ≤ VLO_DC ≤ 13.5V 15 A(Continuous) 2ms pulse, 25% duty cycle, High-Side Output Current (Pulsed) IHI_OUT_PULSE 25 AIHI_OUT_AVG ≤ 50% rated IHI_OUT_DC High-Side Output Power P (Continuous) HI_OUT_DC 13.5V < VLO_DC ≤ 15V 800 W 2ms pulse, 25% duty cycle, High-Side Output Power (Pulsed) PHI_OUT_PULSE 1000 WPHI_OUT_AVG ≤ 50% rated PHI_OUT_DC VLO_DC = 13.5V, IHI_OUT_DC = 15A 96.9 97.3 Efficiency (Ambient) η VLO_DC = 9.5 – 15V, IHI_OUT_DC = 15A 96.2 %AMB VLO_DC = 13.5V, IHI_OUT_DC = 7.5A 97.3 97.9 VLO_DC = 13.5V, IHI_OUT_DC = 15A 96.7 97.0 Efficiency (Hot) η % HOT VLO_DC = 13.5V, IHI_OUT_DC = 7.5A 97.3 97.8 Efficiency (Over Load Range) η 3A < I < 15A 92.0 % 20% HI_OUT_DC RHI_COLD VLO_DC = 13.5V, IHI_OUT_DC = 15A, TINTERNAL = –40°C 50 65 80 High-Side Output Resistance RHI_AMB VLO_DC = 13.5V, IHI_OUT_DC = 15A 62 80 98 mΩ RHI_HOT VLO_DC = 13.5V, IHI_OUT_DC = 15A, TINTERNAL = 100°C 75 97 118 Switching Frequency FSW High-side output voltage ripple frequency = 2x FSW 1.57 1.62 1.67 MHz CHI_EXT = 0μF, IHI_OUT_DC = 15A, VLO_DC = 13.5V, 138 High-Side Output Voltage Ripple V 20MHz BWHI_OUT_PP mV TINTERNAL ≤ 100ºC 200 Effective Low-Side Input Capacitance C Effective value at 13.5V (Internal) LO_INT LO_DC 55 µF Effective High-Side CHI_INT Effective value at 54V 11.2 µFOutput Capacitance (Internal) HI_DC Rated High-Side Output Capacitance At start up with no load; excessive capacitance may C µF (External) HI_OUT_EXT prevent module start up 68 Rated High-Side Output Capacitance C C HI_OUT_AEXT Max = N • 0.5 • CHI_OUT_EXT MAX, (External), Parallel Array Operation HI_OUT_AEXT 34 µF where N = the number of units in parallel NBM™ Bus Converter Rev 1.4 Page 8 of 31 11/2019

NBM2317S60E1560T0R Electrical Specifications (Cont.) Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit Powertrain Protection Specification – Step-Up Operation (Low-Voltage Side to High-Voltage Side), Cont. Start up into a persistent fault condition. Non-latching Auto Restart Time tAUTO_RESTART 350 500 600 msfault detection given VLO_DC > VLO_UVLO+ Low-Side Input Overvoltage V 16.7 V Lockout Threshold LO_OVLO+ 17.2 Low-Side Input Overvoltage V Recovery Threshold LO_OVLO– 15.4 15.8 V Low-Side Input Overvoltage V Lockout Hysteresis LO_OVLO_HYST 0.1 V Low-Side Input Overvoltage t 1 µs Lockout Response Time LO_OVLO Low-Side Input Undervoltage V 8.6 V Lockout Threshold LO_UVLO– 8.0 Low-Side Input Undervoltage V Recovery Threshold LO_UVLO+ 10.5 10.8 V Low-Side Input Undervoltage V Lockout Hysteresis LO_UVLO_HYST 0.1 V Low-Side Input Undervoltage t 8 µs Lockout Response Time LO_UVLO From V Input-to-Output LO_DC = VLO_UVLO+ to powertrain active, tLO_TO_HI_DELAY EN floating (i.e., one-time start-up delay from 600 msStart-Up Delay application of VLO_DC to VHI_DC) High-Side Output tHI_SOFT_START From powertrain active. 500 µsSoft-Start Ramp Time Protection will stop powertrain; conduction path from High-Side Output Overcurrent IHI_OUT_OCP low side to high side still exists through body diodes of 18.75 ATrip Threshold 15.25 27.5 powertrain MOSFETs [a] High-Side Output Overcurrent t Effective internal RC filter 2 5 ms Response Time Constant HI_OUT_OCP Overtemperature t Temperature sensor located inside controller IC Shutdown Threshold OTP+ 125 °C Overtemperature t 105 110 115 °C Recovery Threshold OTP– Undertemperature tUTP Temperature sensor located inside controller IC –45 °CShutdown Threshold [a] Sustained current through body diodes can cause powertrain damage. See "start up and bidirectional operation" on page 21. NBM™ Bus Converter Rev 1.4 Page 9 of 31 11/2019

NBM2317S60E1560T0R Operating Area 70 Isothermal Surfaces 60 Top 50 Top-side 40 indicator 30 20 Bottom 10 0 40 50 60 70 80 90 100 110 120 130 Leads Temperature (ºC) Top Only Bottom with Leads Top, Bottom, with Leads Note: Generic SM-ChiP™ package shown. Representation may not match specific footprint of the product in this data sheet. Figure 1 — Specified thermal operating area 1100 110 1000 100 900 90 800 80 700 70 600 60 500 50 400 40 300 30 200 20 100 10 0 0 38 40 42 44 46 48 50 52 54 56 58 60 38 40 42 44 46 48 50 52 54 56 58 60 High-Side Input Voltage ( V) High-Side Input Voltage ( V) PLO_OUT_DC PLO_OUT_PULSE ILO_OUT_DC ILO_OUT_PULSE Figure 2 — Specified electrical operating area, step-down operation 1100 30 1000 900 25 800 700 20 600 500 15 400 10 300 200 5 100 0 0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 13.0 13.5 14.0 14.5 15.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 13.0 13.5 14.0 14.5 15.0 Low-Side Input Voltage ( V) Low-Side Input Voltage ( V) P IHI_OUT_DC PHI_OUT_PULSE HI_OUT_DC IHI_OUT_PULSE Figure 3 — Specified electrical operating area, step-up operation NBM™ Bus Converter Rev 1.4 Page 10 of 31 11/2019 High-Side Output Powe r (W) Low-Side Output Powe r (W) Output Current (A) High-Side Output Current (A) Low-Side Output Curre nt (A)

NBM2317S60E1560T0R Signal Characteristics Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Temperature Monitor / Output Good (TM / OG) • The TM/OG pin provides temperature monitoring and power good functionalities. • The TM/OG is internally held low (0V) until the start up has completed. • This signal can be used to drive logic circuit downstream for delayed enable of the load. • After start up, this pin provides a voltage proportional to the absolute temperature of the converter control IC. • For more information, see signal pin description section, page 21. Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit Powertrain active to Start Up tTM/OG Powertrain active to TM / OG high µsTM / OG time 1800 TM / OG Voltage Range VTM/OG 2.12 4.04 V TM / OG V Voltage Reference TM/OG_AMB TJ controller = 27°C 2.95 3.00 3.05 V Analog Output Regular TM / OG Source Current ITM/OG TM accuracy = ±5°C 10 µA Operation TM / OG Short Circuit Maximum source current I Current SC_TM/OG mA when pulled to ground externally 5 TM / OG Gain ATM/OG 10 mV / °C TM / OG Voltage Ripple VTM/OG_PP CTM/OG = 0pF, VHI_DC = 54V, ILO_OUT_DC = 60A 120 200 mV TM / OG Capacitance C (External) TM/OG_EXT 50 pF Transition Digital TM / OG Fault T Response Time FR_TM/OG From fault to TM / OG low 10 µs Input / Output TM / OG Voltage VTM/OG_DIS TM/OG held low by internal FET 0 V Standby Maximum current TM/OG can sink when TM / OG Sinking Current ISINK_TM/OG mApulled low by internal FET 180 Enable / Disable Control (EN) • The EN pin enables and disables the NBM. When held low, the NBM is disabled. • In an array of NBM modules, EN pins should be interconnected to synchronize start up. • Unit must not be disabled if a load is present on +VHI while operating in step-up mode. • EN pin outputs 5V during normal operation. • For more information, see signal pin description, see signal pin description section, page 21. Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit Regular EN Voltage VEN 4.7 5.0 5.3 V Operation EN Available Current IEN_OP 2.0 3.5 5.0 mA Analog EN Source (Current) IEN_EN 50 100 µA Standby Output EN Resistance (Internal) REN_INT Internal pull-down resistor 50 150 400 kΩ Transition EN Capacitance (Internal) CEN_INT 1000 pF Start Up EN Load Resistance REN_S To permit regular operation 60 kΩ Regular EN Enable Threshold VEN_EN_TH 2.0 2.5 3.0 V Operation EN Disable Threshold VEN_DIS_TH 1.95 V Standby EN Disable Duration tEN_DIS_t Minimum time before attempting re-enable 1 s Digital EN Threshold Hysteresis VEN_HYSTER 50 mV Input / Output EN Enable to Powertrain VHI_DC > VHI_UVLO+, EN held low. Both t µs Active Time EN_START conditions satisfied for time > t 5 10 30HI_TO_LO_DELAY Transition EN Disable to t µs VOUT Time EN_DIS 4 10 EN Fault Response Time tFR_EN From fault to EN low 100 µs NBM™ Bus Converter Rev 1.4 Page 11 of 31 11/2019

NBM2317S60E1560T0R NBM Step-Down Operation Timing Diagram NBM™ Bus Converter Rev 1.4 Page 12 of 31 11/2019 1 2 3 4 5 6 VHI_OVLO+ VHI_OVLO– V NLHI VHI_UVLO+ VHI_UVLO– EN 5V 3V C 5V 3V 2.5V 500ms C before retrial B VLO G D LL • K A E F ILO ILO_OUT_SCP ILO_OUT_OCP H TM / OG I I I 3V @ 27°C 0.4V A: tHI_UVLO+_DELAY E: tEN_START 1: Controller start 4: EN pulled low Notes: B: tHI_OVLO* F: tLO_OUT_OCP 2: Controller turn o 5: EN released on low-side SC – Timing and signal amplitudes are not to scale C: tAUTO_RESTART G: tEN_DIS 3: EN release 6: Low-side SC removed – Error pulse width is load dependent D: tUVLO H: tLO_OUT_SCP** I: tTM/OG * Min value switching o ** From detection to powertrain shut down

NBM2317S60E1560T0R NBM Step-Up Operation Timing Diagram NBM™ Bus Converter Rev 1.4 Page 13 of 31 11/2019 1 2 3 4 5 VLO_OVLO+ VLO_OVLO– V NLLO VLO_UVLO+ VLO_UVLO– EN 5V 3V C 5V 3V 2.5V 500ms C before retrial B VHI G D LL • K A E F IHI IHI_OUT_OCP TM / OG I I H 3V @ 27°C 0.4V A: tLO_UVLO+_DELAY E: tEN_START 1: Controller start 4: EN pulled low Notes: B: tLO_OVLO* F: tHI_OUT_OCP 2: Controller turn o 5: Thermal fault removed – Timing and signal amplitudes are not to scale C: tAUTO_RESTART G: tEN_DIS 3: EN release – Error pulse width is load dependent D: tUVLO H: tTM/OG – Blue line: A conduction path from low side to high side exists through body diodes of powertrain MOSFET. * Min value switching o When the powertrain is disabled and VLO present, a voltage equal to VLO minus the body diode drops will appear on the HI side.

NBM2317S60E1560T0R Application Characteristics, Step-Down Operation Temperature controlled via top side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-down mode, processing power from high-voltage side to low-voltage side. See associated figures for general trend data. 12 6 11 10 5.5 9 5 8 7 4.5 6 5 4 4 3.5 3 2 3 38 40 42 44 46 48 50 52 54 56 58 60 38 40 42 44 46 48 50 52 54 56 58 60 Input Voltage (V) Input Voltage (V) TCASE: –40ºC 25ºC 85ºC TCASE: –40ºC 25ºC 85ºC Figure 4 — No-load power dissipation vs. VHI_DC Figure 5 — RLO vs. RHI_IN, ILO_DC = 60A 99 30 98 97 25 96 95 20 94 15 93 92 10 91 90 5 89 88 0 0 6 12 18 24 30 36 42 48 54 60 0 6 12 18 24 30 36 42 48 54 60 Output Current (A) Output Current (A) VIN: 38V 54V 60V VIN: 38V 54V 60V Figure 6 — Efficiency at TCASE = –40°C Figure 7 — Power dissipation at TCASE = –40°C 99 30 98.5 98 25 97.5 97 20 96.5 96 15 95.5 95 10 94.5 94 5 93.5 93 0 0 6 12 18 24 30 36 42 48 54 60 0 6 12 18 24 30 36 42 48 54 60 Output Current (A) Output Current (A) VIN: 38V 54V 60V VIN: 38V 54V 60V Figure 8 — Efficiency at TCASE = 25°C Figure 9 — Power dissipation at TCASE = 25°C NBM™ Bus Converter Rev 1.4 Page 14 of 31 11/2019 Efficiency (%) Efficiency (%) No-Load Power Dissipation (W) Power Dissipation (W) Power Dissipation (W) Output Resistance (mΩ)

NBM2317S60E1560T0R Application Characteristics, Step-Down Operation (Cont.) Temperature controlled via top side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-down mode, processing power from high-voltage side to low-voltage side. See associated figures for general trend data. 99 30 98.5 98 25 97.5 97 20 96.5 96 15 95.5 95 10 94.5 94 5 93.5 93 0 0 6 12 18 24 30 36 42 48 54 60 0 6 12 18 24 30 36 42 48 54 60 Output Current (A) Output Current (A) VIN: 38V 54V 60V VIN: 38V 54V 60V Figure 10 — Efficiency at TCASE = 85°C Figure 11 — Power dissipation at TCASE = 85°C 150 125 100 75 50 25 0 0 6 12 18 24 30 36 42 48 54 60 Output Current (A) VIN: 54V Figure 12 — VLO_OUT_PP vs. ILO_DC ; no external CLO_OUT_EXT. Figure 13 — Full-load low-side voltage ripple, 68µF CHI_IN_EXT; Board-mounted module, scope setting: no external CLO_OUT_EXT. Board-mounted module, 20MHz analog BW scope setting: 20MHz analog BW Figure 14 — 0 – 60A transient response: Figure 15 — 60 – 0A transient response: CHI_IN_EXT = 68µF, no external CLO_OUT_EXT CHI_IN_EXT = 68µF, no external CLO_OUT_EXT NBM™ Bus Converter Rev 1.4 Page 15 of 31 11/2019 Output Voltage Ripple (mV ) Efficiency (%)P-P Power Dissipation (W)

NBM2317S60E1560T0R Application Characteristics, Step-Down Operation (Cont.) Temperature controlled via top side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-down mode, processing power from high-voltage side to low-voltage side. See associated figures for general trend data. Figure 16 — Start up from application of VHI_DC = 54V, Figure 17 — Start up from application of EN with pre-applied CLO_OUT_EXT = 1000µF, no load VHI_DC = 54V, CLO_OUT_EXT = 1000µF, no load NBM™ Bus Converter Rev 1.4 Page 16 of 31 11/2019

NBM2317S60E1560T0R Application Characteristics, Step-Up Operation Temperature controlled via top-side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-up mode, processing power from low-volage side to high-voltage side. See associated figures for general trend data. 12 110 11 10 100 9 90 8 7 80 6 5 70 4 60 3 2 50 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 Input Voltage (V) Input Voltage (V) TCASE: –40ºC 25ºC 85ºC TCASE: –40ºC 25ºC 85ºC Figure 18 — No-load power dissipation vs. VLO_DC Figure 19 — RHI vs. RLO_IN, IHI_DC = 15A 99 30 98 97 25 96 95 20 94 15 93 92 10 91 90 5 89 88 0 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 Output Current (A) Output Current (A) VIN: 9.5V 13.5V 15V VIN: 9.5V 13.5V 15V Figure 20 — Efficiency at TCASE = –40°C Figure 21 — Power dissipation at TCASE = –40°C 99 30 98.5 98 25 97.5 97 20 96.5 96 15 95.5 95 10 94.5 94 5 93.5 93 0 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 Output Current (A) Output Current (A) VIN: 9.5V 13.5V 15V VIN: 9.5V 13.5V 15V Figure 22 — Efficiency at TCASE = 25°C Figure 23 — Power dissipation at TCASE = 25°C NBM™ Bus Converter Rev 1.4 Page 17 of 31 11/2019 Efficiency (%) Efficiency (%) No-Load Power Dissipation (W) Power Dissipation (W) Power Dissipation (W) Output Resistance (mΩ)

NBM2317S60E1560T0R Application Characteristics, Step-Up Operation (Cont.) Temperature controlled via top-side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-up mode, processing power from low-volage side to high-voltage side. See associated figures for general trend data. 99 30 98.5 98 25 97.5 97 20 96.5 96 15 95.5 95 10 94.5 94 5 93.5 93 0 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 Output Current (A) Output Current (A) VIN: 9.5V 13.5V 15V VIN: 9.5V 13.5V 15V Figure 24 — Efficiency at TCASE = 85°C Figure 25 — Power dissipation at TCASE = 85°C 150 125 100 75 50 25 0 0 1.5 3 4.5 6 7.5 9 10.5 12 13.5 15 Output Current (A) VIN: 13.5V Figure 26 — VHI_OUT_PP vs. IHI_DC ; no external CHI_OUT_EXT. Figure 27 — Full-load high-side output voltage ripple, 1000µF Board-mounted module, scope setting: CLO_IN_EXT; no external CHI_OUT_EXT. Board-mounted 20MHz analog BW module, scope setting: 20MHz analog BW Figure 28 — 0 – 15A transient response: Figure 29 — 15 – 0A transient response: CLO_IN_EXT = 1000µF, no external CHI_OUT_EXT CLO_IN_EXT = 1000µF, no external CHI_OUT_EXT NBM™ Bus Converter Rev 1.4 Page 18 of 31 11/2019 Output Voltage Ripple (mV ) Efficiency (%)P-P Power Dissipation (W)

NBM2317S60E1560T0R Application Characteristics, Step-Up Operation (Cont.) Temperature controlled via top-side cold plate, unless otherwise noted. All data presented in this section are collected from units operating in step-up mode, processing power from low-volage side to high-voltage side. See associated figures for general trend data. Figure 30 — Start up from application of VLO_DC = 13.5V, Figure 31 — Start up from application of EN with pre-applied CHI_OUT_EXT = 68µF , no load VLO_DC = 13.5V, CHI_OUT_EXT = 68µF, no load NBM™ Bus Converter Rev 1.4 Page 19 of 31 11/2019

NBM2317S60E1560T0R General Characteristics Specifications apply over all line and load conditions, unless otherwise noted; boldface specifications apply over the temperature range of –40°C ≤ TINTERNAL ≤ 125°C (T-Grade); all other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit Mechanical Length L 22.70 [0.894] 22.83 [0.899] 22.96 [0.904] mm [in] Width W 17.21 [0.678] 17.34 [0.683] 17.47 [0.688] mm [in] Height H 7.292 [0.287] 7.417 [0.292] 7.542 [0.297] mm [in] Volume Vol Without heatsink 2.94 [0.179] cm3 [in3] Weight W 12 [0.423] g [oz] Thermal Operating Temperature TINTERNAL NBM2317S60E1560T0R (T-Grade) –40 125 °C Assembly Storage Temperature NBM2317S60E1560T0R (T-Grade) –40 125 °C ESDHBM Human Body Model, “ESDA / JEDEC JDS-001-2012” Class I-C (1kV to < 2kV) ESD Withstand ESDCDM Charge Device Model, “JESD 22-C101-E” Class II (200V to < 500V) Soldering Peak Temperature During Reflow MSL 4 245 °C Safety MIL-HDBK-217Plus Parts Count - 25°C Ground Benign, Stationary, Indoors / 6.46 MHrs MTBF Computer Telcordia Issue 2 - Method I Case III; 25°C 15.0 MHrs Ground Benign, Controlled CE Marked for Low Voltage Directive and RoHS Recast Directive, as applicable Agency Approvals / Standards NBM™ Bus Converter Rev 1.4 Page 20 of 31 11/2019