Data Sheet
May 7, 2008
QPW025A0F41/QPW025A0F41-H DC-DC Power Module
36-75Vdc Input; 3.3Vdc Output Voltage; 25A Output Current
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
On/Off Signal interface
(V
I
= V
I
,min to V
I
, max; Open collector or equivalent
Compatible, signal referenced to V
I
(-) terminal
Logic High (Module ON)
Input High Voltage
Input High Current
Logic Low (Module OFF)
Input Low Voltage
Input Low Current
Turn-On Delay and Rise Times
(I
O
=80% I
O, max ,
V
IN
=V
IN, nom,
T
A
= 25 C)
Case 1: On/Off input is set to Logic High (Module ON)
and then input power is applied (delay from instant at
which V
IN
= V
IN, min
until Vo=10% of Vo,set)
Case 2: Input power is applied for at least one second
and then the On/Off input is set to logic high (delay from
instant at which Von/Off=0.9V until Vo=10% of Vo, set)
Output voltage Rise time (time for Vo to rise from 10% of
Vo, set to 90% of Vo, set)
Output Voltage Remote Sense
Output voltage overshoot – Startup
I
O
= 80% of I
O, max
; T
A
= 25 C
Over temperature Protection
(See Thermal Considerations section)
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
Output voltage adjustment range(TRIM)
Over voltage protection
80
3.8
V
UVLO
⎯
30
34.5
31.5
3
⎯
⎯
110
4.6
% V
O, set
Vdc
36
⎯
V
V
T
ref
⎯
115
⎯
°C
o
o
Symbol
Min
Typ
Max
Unit
V
IH
I
IH
V
IL
I
IL
7
―
0
―
―
―
―
―
15
50
1.2
1
V
μA
V
mA
T
delay
―
5
―
msec
T
delay
―
2.5
―
msec
T
rise
―
4
―
10
1
msec
% V
O, set
% V
O, set
―
―
―
LINEAGE
POWER
4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
