QBDW033A0B41Z Datasheet, PDF (5/17 Pages) Lineage Power Corporation – QBDW033A0B Series Power Modules; DC-DC Converters

Advanced Data Sheet
February 10, 2011
QBDW033A0B Series Power Modules; DC-DC Converters
36-75V_dc Input; 9.6-12V_dc Output; 33A Output Current
Characteristic Curves
The following figures provide typical characteristics for the QBDW033A0B (12V, 33A) at 25ºC. The figures are identical for
either positive or negative Remote On/Off logic.
INPUT VOLTAGE, VO (V)
Figure 1. Typical Input Characteristic at Room
Temperature.
TIME, t (10 ms/div)
Figure 4. Typical Start-Up Using Remote On/Off with
Vin applied, negative logic version shown.
OUTPUT CURRENT, IO (A)
Figure 2. Typical Converter Efficiency Vs. Output
current at Room Temperature.
TIME, t (500 μs/div)
Figure 5. Typical Transient Response to Step change
in Load from 25% to 50% to 25% of Full Load at Room
Temperature and 48 Vdc Input.
TIME, t (20 ms/div)
Figure 3. Typical Start-Up Using Vin with Remote
On/Off enabled, negative logic version shown.
TIME, t (500 μs/div)
Figure 6. Typical Transient Response to Step Change
in Load from 50% to 75% to 50% of Full Load at Room
Temperature and 48 Vdc Input.
LINEAGE POWER
5