NQB-D datasheet(2/36 Pages) CUI

2 / 36 page

cui.com

date 11/07/2014

│ page 2 of 36

CUI Inc

│ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS

Nominal Output Voltage:

A = 12.0 V

B = 12.45 V

C = 9.6 V

D = 9.0 V

E = 5.0 V

PART NUMBER KEY

NQB- XXX D X X - X X X X - XXX -ES X

Input Voltage Range:

W = wide (36~75 V)

M = medium (40~60 V)

Firmware Configuration:

000~ZZZ

Base Number

Design Output Power:

1~999

Example part number: NQB-420DWA-AN-001

420 W output power, digital pins

wide input voltage range, 12.0 V output

5.33 mm pins, negative enable logic

firmware revision 001

Digital Interface

Load Sharing Function:

D = Vout droop

Pin Description:

A = 5.33 mm (0.210 in.)

B = 4.57 mm (0.180 in.)

C = 3.69 mm (0.145 in.)

D = 2.79 mm (0.110 in.)

S = SMT

Enable Logic Sense:

N = negative logic

P = positive logic

Heatsink Option:

"blank" = open frame

H = heatsink flat

G = heatsink with GND pin

Engineering Sample:

Engineering Phase:

A~Z

Packaging:

20 converters(through hole pin)/tray, PE foam dissipative

20 converters(surface mount pin)/tray, Antistatic PPE

CONTENTS

Part Number Key........................................................2

General Information...................................................3

Safety Specification....................................................3

Absolute Maximum Ratings..........................................4

EMC Specification.........................................20

Operating Information...................................21

Thermal Consideration..................................24

Connections............................................25

PMBus Interface...........................................26

Mechanical Information.................................29

Soldering Information...................................32

Delivery Package Information.........................33

Product Qualification Specification...................35

Electrical Specification:

12V, 35A, 420W, 36~75Vin; NQB-420DWA-AN....................6

12V, 39A, 468W, 40~60Vin; NQB-468DMA-AN...................10

12.45V, 35A, 415W, 36~75Vin; NQB-415DWB-AN...............14

12.45V, 39A, 462W, 40~60Vin; NQB-420DMB-AN...............19

For more information, please visit the product page.

NQB-D Datasheet(PDF) 2 Page - CUI INC

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