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| LP38869_15 Datasheet, PDF (10/23 Pages) Texas Instruments – 1A FlexCap, Low-Dropout Linear Regulator with 0.75% Accuracy | |||
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LP38869
SNVS877B â AUGUST 2012 â REVISED APRIL 2013
BLOCK DIAGRAM
IN
SHDN
SS
SHUTDOWN
LOGIC
VREF
800 mV
ISS
6.7 µA
THERMAL
SENSOR
ERROR
AMPLIFIER
-
+
MOSFET DRIVER
WITH FOLDBACK
CURRENT LIMIT
TSD
SENSE
RST
COMPARATOR
+
VRST(TH)
-
736 mV
VSS
3 ms DELAY
TIMER &
INVERTER
PRE-SET MODE
ADJUSTABLE MODE
-
MODE +
COMPARATOR
VSET(TH)
87 mV
LP38869
Figure 31. Functional Block Diagram
www.ti.com
OUT
RST
SET
GND
10
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Product Folder Links: LP38869
Copyright © 2012â2013, Texas Instruments Incorporated
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