GE

Data Sheet

QBDW025A0B Barracuda Series; DC-DC Converter Power Modules

36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output

May 9, 2013

©2012 General Electric Company. All rights reserved.

Page 2

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings

only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations

sections of the Data Sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.

Parameter

Device

Symbol

Min

Max

Unit

Input Voltage*

Continuous

-0.3

75

Operating transient ≤ 100mS

100

Non- operating continuous

80

100

Operating Ambient Temperature

All

-40

85

°C

(See Thermal Considerations section)

TRIM/C1, C2, ADDR0, ADDR1, CLK, DATA, SMBALERT

All

-0.3

3.6

Storage Temperature

All

55

125

°C

I/O Isolation Voltage (100% factory Hi-Pot tested)

All





2250

* Input over voltage protection will shutdown the output voltage when the input voltage exceeds threshold level.

Electrical Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.

Parameter

Device

Symbol

Min

Typ

Max

Unit

Operating Input Voltage

36

48

75

Maximum Input Current

-

-

12

Input No Load Current

All

80

mA

Input Stand-by Current

All

22

mA

External Input Capacitance

All

100

-

-

μF

Inrush Transient

All

-

-

1

Input Terminal Ripple Current

(Measured at module input pin with maximum specified input

capacitance and

500uH inductance between voltage source

and input capacitance)

All

-

350

-

Input Reflected Ripple Current, peak-to-peak

All

-

40

-

Input Ripple Rejection (120Hz)

All

-

25

-

dB

CAUTION: This power module is not internally fused. An input line fuse must always be used.

This power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part

of sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included, however, to achieve maximum

safety and system protection, always use an input line fuse. The safety agencies require a fast-acting fuse with a maximum rating

of 30 A (see Safety Considerations section). Based on the information provided in this Data Sheet on inrush energy and maximum

dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s Data Sheet for further

information.