SPX2967T 查看數據表（PDF） - Signal Processing Technologies
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SPX2967T Datasheet PDF : 12 Pages
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Pin 2,
Inhibit
Pin 6,
Hold
TRUTH TABLE FOR TURN-ON/TURN -OFF LOGIC
VQ Comments
L
X
OFF Initial state, Inhibit internally pulled up
H
X
ON Regulator switched on via Inhibit, by ignition for example
H
L
ON
Hold clamped active to ground by controller while Inhibit is still
high.
X
L
ON Previous state remains, even ignition is shut off: self-holding state
L
L
ON Ignition shut off while regulator is in self-holding state
Regulator shut down by releasing of Hold while Inhibit remains
L
H
OFF Low, final state. No active clamping required by external self-
holding circuit (µC) to keep regulator in off-state
Pin 2, Inhibit: E2 Enable function, active High
Pin 6, Hold: E6 Hold and release function, active Low
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the
specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
Parameter
Limit Values
Symbol
Unit
min. max.
Notes
Input
Voltage
Voltage
Current
Reset Output
Voltage
Current
Reset Delay
Voltage
Current
Output
Voltage
Current
Inhibit
Voltage
Current
VI
-42
42
V
-
VI
-
60
V
T≤ 400ms
II
-
-
-
Internally Limited
VRO
-0.3
7
V` -
IRO
-
-
-
Internally Limited
VD
-0.3
42
V
-
VD
-
-
-
-
VQ
-0.3
7
V
-
IQ
-
-
-
Internally Limited
VE2
-42
42
V
-
IE2
-5
5
mA t≤ 400ms
Date: 8/23/04
SPX2967 400mA Low Dropout Voltage Regulator
3
© Copyright 2004 Sipex Corporation
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