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| LP2950 Datasheet, PDF (9/13 Pages) National Semiconductor (TI) – Series of Adjustable Micropower Voltage Regulators | |||
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TYPICAL APPLICATIONS
LP2950/LP2951
+V IN
100K
ERROR
OUTPUT
SHUTDOWN
INPUT
8
5 ______
+V IN
ERROR
1
V OUT
LP2951
3
SD
GND
4
FB
7
1.23V
1.2 to 30V
+
R1
3.3µF
.01µF
V REF
R2
Figure 2. Adjustable Regulator
+V IN
470kâ¦
8
5 ______
+V IN
ERROR
1
470kâ¦
V OUT
LP2951
3
SD
R1
RESET
GND
FB
4
7
V OUT
+
1µF
R2
Figure 3. Latch Off When Error Flag Occurs
+V IN
ERROR
OUTPUT
SHUTDOWN
INPUT
8
5 ______
+V IN
ERROR
1
V OUT
LP2951
3
SD
GND
FB
4
7
*V OUT = V IN
*MINIMUM INPUT-OUTPUT VOLTAGE RANGES FROM 40mV to 400mV.
DEPENDING ON LOAD CURRENT. CURRENT LIMIT IS TYPICALLY 150mA
Figure 4. Wide Input voltage Range Current Limiter
Rev. 8/10/01
LP2950/51 100mA Low Dropout Voltage Regulators
9
©Copyright 2001 Sipex Corporation
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