LP2950_11 Datasheet, PDF (3/31 Pages) Texas Instruments – ADJUSTABLE MICROPOWER VOLTAGE REGULATORS WITH SHUTDOWN

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Unregulated DC
+
LP2950
LP2951
SLVS582G – APRIL 2006 – REVISED JULY 2011
LP2950 FUNCTIONAL BLOCK DIAGRAM
INPUT
+
−
ERROR
Amplifier
+ _1.23-V
Reference
OUTPUT
V_OUT
I_L 3 100 mA
+ _{See Application}
Information
GND
+
From
CMOS
or TTL
Unregulated DC
LP2951 FUNCTIONAL BLOCK DIAGRAM
7
FEEDBACK
8
INPUT
1
OUTPUT
V_OUT
I_L 3 100 mA
3
SHUTDOWN
+
−
ERROR
Amplifier
+
+
60 mV
−
+
1.235-V
Reference
2
SENSE
6
V_TAP
+
See Application
Information
330 kW
5
ERROR
See Application Information
To CMOS
or TTL
4
GND
ERROR Detection Comparator
Copyright © 2006–2011, Texas Instruments Incorporated
3