GE Industrial Solutions ESTW025A0F Series - Manual (Page 4)

Data Sheet
October 11, 2011
ESTW025A0F Series Eighth-Brick Power Modules
36–75Vdc Input; 3.3Vdc Output; 25A Output
LINEAGE POWER 4
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter Device Symbol Min Typ Max Unit
Remote On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, max
; open collector or equivalent,
Signal referenced to V
IN-
terminal)
Negative Logic: device code suffix “1”
Logic Low = module On, Logic High = module Off
Positive Logic: No device code suffix required
Logic Low = module Off, Logic High = module On
Logic Low - Remote On/Off Current All I
on/off
  0.15 mA
Logic Low - On/Off Voltage All V
on/off
-0.7  0.6 V
dc
Logic High Voltage – (Typ = Open Collector) All V
on/off
2.4  15.0 V
dc
Logic High maximum allowable leakage current All I
on/off
  25 μA
Turn-On Delay 1 and Rise Times
(I
O
=I
O, max ,
V
IN
=V
IN, nom,
T
A
= 25 o C)
Case 1: Input power is applied for >1 second and then
the On/Off input is set to ON (T
delay
= time from instant
On/Off signal is ON until V
O
= 10% of V
O, set
)
All T
delay
― 12 ― msec
Case 2: On/Off input is set to Logic Low (Module
ON) and then input power is applied (T
delay
= time
at which V
IN
= V
IN, min
until V
o
=10% of V
O,set
)
All T
delay
― 20 ― msec
Output voltage Rise time (time for V
o
to rise from 10%
of V
o,set
to 90% of V
o, set
)
All T
rise
― 4 ― msec
Output voltage overshoot – Startup
All ― 5 % V
O, set
I
O
= I
O, max
; V
IN
=V
IN, min
to V
IN, max
, T
A
= 25 o C
Prebias Output Load Performance:
Output Start up characteristic All Monotonic
Back Bias current drawn from output (Module Enabled) All -15 mA
dc
Remote Sense Range All V
SENSE
10 % V
O, set
Output Voltage Adjustment Range All -20 +10 % V
O, set
Output Overvoltage Protection (C
O
=470μF) 2 All V
O, limit
3.9 5.1 V
dc
Overtemperature Protection – Hiccup Auto Restart All T
ref
 125  O C
Input Undervoltage Lockout All V
UVLO
Turn-on Threshold  34.0 35.5 V
dc
Turn-off Threshold 30.5 32.0  V
dc
Hysteresis 1.0 2.0  V
dc
1. The module has an adaptable extended Turn-On Delay interval, T
delay
, of 25mS. The extended T
delay
will occur when the module restarts
following the rapid cycling of Vin from normal levels to less than the Input Undervoltage Lockout (which causes module shutdown), and
then back to normal.
2. The module requires a minimum of 470 μF external output capacitor to prevent shutdown during full load to no load transients and to avoid
exceeding the OVP maximum limits during startup into open loop fault conditions.