Data Sheet
GE
QBVW025A0B Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output
Characteristic Curves, 12Vdc Output
The following figures provide typical characteristics for the QBVW025A0B (12V, 25A) at 25ºC. The figures are identical for either
positive or negative Remote On/Off logic.
INPUT VOLTAGE, VO (V)
Figure 1. Typical Input Characteristic.
OUTPUT CURRENT, IO (A)
Figure 2. Typical Converter Efficiency Vs. Output Current.
TIME, t (500 μs/div)
TIME, t (2s/div)
Figure 3. Typical Output Ripple and Noise, Io = Io,max
.
Figure 4. Typical Transient Response to 0.1A/µs Step Change
in Load from 50% to 75% to 50% of Full Load, Co=470µF and
48 Vdc Input.
TIME, t (20 ms/div)
TIME, t (5 ms/div)
Figure 5. Typical Start-Up Using Vin with Remote On/Off
enabled, negative logic version shown.
Figure 6. Typical Start-Up Using Remote On/Off with Vin
applied, negative logic version shown.
May 9, 2013
©2012 General Electric Company. All rights reserved.
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