For more information, please visit the product page. date 11/07/2014 page 1 of 36 SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS GENERAL CHARACTERISTICS FEATURES • • • • • • • • pin and function compatible with Architects of Modern Power™ product standards • quarter-brick with digital PMBus interface 57.9 x 36.8 x 11.3 mm (2.28 x 1.45 x 0.445 in) • industry standard 5-pins for intermediate bus architectures • industry-leading power density for telecom and datacom 127~141W / sq.
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For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 3 of 36 General Information Reliability The failure rate (λ) and mean time between failures (MTBF= 1/ λ) is calculated at max output power and an operating ambient temperature (TA) of +40°C. CUI Power Modules uses Telcordia SR-332 Issue 2 Method 1 to calculate the mean steady-state failure rate and standard deviation (σ).
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 4 of 36 Absolute Maximum Ratings parameter conditions/description min operating temperature (TP1) see thermal consideration section typ max units -40 +125 °C storage temperature (TS) -55 +125 °C input voltage (VI) -0.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 5 of 36 Functional Description TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 6 of 36 Electrical Specification 12.0 V, 35 A, 420 W TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions. Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions. Additional Cout = 3.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 7 of 36 Typical Characteristics 12.0 V, 35 A / 420 W Efficiency Power Dissipation [W] 24 [%] 100 20 95 53 V 53 V 8 75 V 80 48 V 12 48 V 85 36 V 16 36 V 90 75 V 4 75 0 0 5 10 15 20 25 30 0 35 [A] 5 10 15 20 25 30 35 [A] Dissipated power vs. load current and input voltage at TP1, TP3 = +25°C Efficiency vs.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 8 of 36 Typical Characteristics 12.0 V, 35 A / 420 W Start-up Start-up enabled by connecting VI at: TP1, TP3 = +25°C, VI = 53 V, IO = 35 A resistive load. Shut-down Top trace: output voltage (5 V/div.). Bottom trace: input voltage (50 V/div.). Time scale: (10 ms/div.).
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 9 of 36 Typical Characteristics 12.0 V, 35 A / 420 W Output Current Derating – Open frame [A] 35 3.0 m/s 30 2.0 m/s 25 1.5 m/s 20 15 1.0 m/s 10 0.5 m/s 5 Na t. Co nv. 0 0 20 40 60 80 100 [°C] Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 10 of 36 Electrical Specification 12.0 V, 39 A / 468 W TP1, TP3 = -40 to +90ºC, VI = 40 to 60 V, sense pins connected to output pins unless otherwise specified under Conditions. Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions. Additional Cout = 3.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 11 of 36 Typical Characteristics 12.0 V, 39 A / 468 W Efficiency Power Dissipation [%] [W] 25 100 20 95 40 V 90 48 V 60 V 80 48 V 53 V 10 53 V 85 40 V 15 60 V 5 0 75 0 5 10 15 20 25 30 35 40 [A] 0 5 10 15 20 25 30 35 40 [A] Dissipated power vs. load current and input voltage at TP1, TP3 = +25°C Efficiency vs.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 12 of 36 Typical Characteristics 12.0 V, 39 A / 468 W Start-up Start-up enabled by connecting VI at: TP1, TP3 = +25°C, VI = 53 V, IO = 39 A resistive load. Shut-down Top trace: output voltage (5 V/div.). Bottom trace: input voltage (50 V/div.). Time scale: (10 ms/div.).
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 13 of 36 Typical Characteristics 12.0 V, 39 A / 468 W Output Current Derating – Open frame [A] 40 35 3.0 m/s 30 2.0 m/s 25 1.5 m/s 20 1.0 m/s 15 0.5 m/s 10 Na t. Con v. 5 0 0 20 40 60 80 100 [°C] Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 14 of 36 Electrical Specification 12.45 V, 35 A / 415 W TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions. Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions. Additional Cout = 3.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 15 of 36 Typical Characteristics 12.45 V, 63 A / 747 W, two products in parallel Efficiency Power Dissipation [W] 45 [%] 100 40 35 95 36 V 90 48 V 53 V 85 75 V 80 30 36 V 25 48 V 20 53 V 15 75 V 10 5 75 0 0 10 20 30 40 50 60 0 [A] 10 20 30 40 50 60 [A] Dissipated power vs.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 16 of 36 Typical Characteristics 12.45 V, 35 A / 415 W Output Current Derating – Open frame [A] 35 3.0 m/s 30 2.0 m/s 25 1.5 m/s 20 15 1.0 m/s 10 0.5 m/s 5 Na t. Co nv. 0 0 20 40 60 80 100 [°C] Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 17 of 36 Electrical Specification 12.45 V, 39 A / 462 W TP1, TP3 = -40 to +90ºC, VI = 40 to 60 V, sense pins connected to output pins unless otherwise specified under Conditions. Typical values given at: TP1, TP3 = +25°C, VI = 53 V, max IO, unless otherwise specified under Conditions. Additional Cout = 3.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 18 of 36 Typical Characteristics 12.45 V, 70 A / 830 W, two products in parallel Efficiency Power Dissipation [%] [W] 45 100 40 35 95 40 V 90 48 V 53 V 85 60 V 80 30 40 V 25 48 V 20 53 V 15 60 V 10 5 75 0 0 10 20 30 40 50 60 0 70 [A] 10 20 30 40 50 60 70 [A] Dissipated power vs.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 19 of 36 Typical Characteristics 12.45 V, 39 A / 462 W Output Current Derating – Open frame [A] 40 35 3.0 m/s 30 2.0 m/s 25 1.5 m/s 20 1.0 m/s 15 0.5 m/s 10 Na t. Con v. 5 0 0 20 40 60 80 100 [°C] Available load current vs. ambient air temperature and airflow at VI = 53 V. See Thermal Consideration section.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 20 of 36 EMC Specification Conducted EMI measured according to EN55022, CISPR 22 and FCC part 15J (see test set-up). The fundamental switching frequency is 140 kHz for NQB at VI = 53 V, max IO.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Operating information Power Management Overview This product is equipped with a PMBus interface. The product incorporates a wide range of readable and configurable power management features that are simple to implement with a minimum of external components.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS >10 mΩ across the output connections. For further information please contact your local CUI Power Modules representative. Parallel Operation (Droop Load Share, DLS) The NQB, DLS products are variants that can be connected in parallel. The products have a pre-configured voltage droop: The stated output voltage set point is at no load.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Synchronization, Tracking and External reference This product does not support synchronization, tracking or external reference.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS 13.4 13.4 13.2 13.2 13.0 13.0 12.8 12.8 Vout [V] Vout [V] Output Voltage Regulation The NQB products are designed to be fully regulated within the plotted area. Operating outside this area is not recommended. 12.6 12.4 12.2 date 11/07/2014 │ page 24 of 36 are found in the output section for each model.
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For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 26 of 36 PMBus Interface This product provides a PMBus digital interface that enables the user to configure many aspects of the device operation as well as to monitor the input and output voltages, output current and device temperature. The product can be used with any standard two-wire I2C or SMBus host device.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS requirements. Note that an additional delay of 5 ms has to be inserted in case of storing the RAM content into the internal non-volatile memory. PMBus Commands The products are PMBus compliant. The following table lists the implemented PMBus read commands.
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For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Mechanical Information - Hole Mount, Open Frame Version cui.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Mechanical Information - Hole Mount, Base Plate Version cui.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Mechanical Information - Surface Mount Version cui.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 32 of 36 Soldering Information - Surface Mounting Lead-free (Pb-free) solder processes The surface mount product is intended for forced convection or vapor phase reflow soldering in SnPb and Pb-free processes.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 33 of 36 Soldering Information - Hole Mounting The hole mounted product is intended for plated through hole mounting by wave or manual soldering. The pin temperature is specified to maximum to 270°C for maximum 10 seconds. A maximum preheat rate of 4°C/s and maximum preheat temperature of 150°C is suggested.
For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS Tray Specifications - TH Material PE Foam Surface 105 < Ohm/square < 1012 resistance Bakability The trays are not bakeable Tray capacity 20 converters/tray Box capacity 20 products (1 full tray/box) Product – Open frame 1100 g full tray, 140g empty tray Weight Product – Base plate option 1480 g full tray, 140 g empty tray cui.
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For more information, please visit the product page. CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS date 11/07/2014 │ page 36 of 36 REVISION HISTORY rev. date 1.01 11/07/2014 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com techsupport@cui.com Novum and Architects of Modern Power are trademarks of CUI.
