LW025F Ver la hoja de datos (PDF) - Tyco Electronics
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LW025F Datasheet PDF : 16 Pages
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LW025 Single-Output-Series Power Modules:
36 Vdc to 75 Vdc Inputs; 25 W
Advance Data Sheet
March 1999
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions and Design Considerations for further information.
Parameter
Device Symbol Min Typ Max Unit
Remote On/Off Signal Interface:
(VI = 0 V to VI, max; open collector or equivalent
compatible; signal referenced to VI(–) terminal. See
Figure 13 and Feature Descriptions.):
Negative Logic: Device Code Suffix “1”:
Logic Low—Module On
Logic High—Module Off
Positive Logic: If Device Code Suffix “1” Is Not
Specified:
Logic Low—Module Off
Logic High—Module On
Module Specifications:
On/Off Current:
Logic Low
All
Ion/off
—
— 1.0
mA
On/Off Voltage:
Logic Low
All
Von/off
–0.7
—
1.2
V
Logic High (Ion/off = 0)
All
Von/off
—
—
10
V
Open Collector Switch Specifications:
Leakage Current During Logic High
All
Ion/off
—
— 50
µA
(Von/off = 10 V)
Output Low Voltage During Logic Low
All
Von/off
—
— 1.2
V
(Ion/off = 1 mA)
Turn-on Delay and Rise Times
(at 80% of IO, max; TA = 25 °C):
Case 1: On/Off Input Is Set for Unit On and Then
All
Tdelay
—
27
50
ms
Input Power Is Applied (delay from point at which
VI = 48 V until VO = 10% of VO, nom).
Case 2: 48 V Input Is Applied for at Least One
All
Tdelay
—
2
10
ms
Second, and Then the On/Off Input Is Set to Turn
the Module On (delay from point at which on/off
input is toggled until VO = 10% of VO, nom).
Output Voltage Rise Time (time for VO to rise from
All
Trise
— 1.5 3.0
ms
10% of VO, nom to 90% of VO, nom)
Output Voltage Overshoot (at 80% of IO, max;
All
—
—
—
5
%
TA = 25 °C)
Output Voltage Set-point Adjustment Range
All
—
90
—
110 %VO, nom
Output Overvoltage Protection (clamp)
LW025F VO, clamp 3.9
—
5.0
V
LW025A VO, clamp 5.6
—
7.0
V
4
Tyco Electronics Corp.
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