Data Sheet
JHW250S30R2 Power Module; dc-dc Converter
36 – 75 Vdc Input; 30.2Vdc Output; 250W
October 6, 2005
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
(VIN=VIN, min to VIN, max ; open collector or equivalent,
Signal referenced to VIN- 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 Specification
Remote On/Off Current – Logic Low
On/Off Voltage:
All
Ion/off
50
μA
⎯
Logic Low
All
All
All
All
Von/off
Von/off
Von/off
Ion/off
0.0
0.8
5
V
V
⎯
Logic High – (Typ = Open Collector)
Max allowable On/Off pin voltage (driven)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
__
⎯
12
10
V
μA
⎯
⎯
(IO=IO, max
)
Tdelay = Time until VO = 10% of VO,set from either
application of Vin with Remote On/Off set to On or
operation of Remote On/Off from Off to On with Vin
already applied for at least one second.
All
All
Tdelay
3
ms
ms
V
⎯
⎯
24
__
⎯
⎯
Trise = time for VO to rise from 10% of VO,set to 90%
Trise
20
of VO,set
.
Output Voltage Adjustment
(See Feature Descriptions)
All
All
Vtrim
31
1.0
Output Voltage Set-point Adjustment Range (trim)
Output Voltage Remote-sense Range
(See Feature Descriptions)
__
V
Vsense
Output Overvoltage Protection - Latching
Overtemperature Protection - Latching
All
All
VO, limit
33
34.8
110
38
V
Tref
°C
⎯
⎯
(See Feature Descriptions)
Input Undervoltage Lockout
Turn-on Threshold
VIN, UVLO
All
All
All
34.5
32.5
---
35
33.0
2.0
35.5
33.5
---
V
V
V
Turn-off Threshold
Hysteresis
Tyco Electronics Power Systems
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
