LP2950/LP2951
TYPICAL APPLICATIONS
+V IN
100K
8
+V IN
______
ERROR
ERROR
5
1.2 to 30V
1
OUTPUT
V OUT
LP2951
+
SHUTDOWN
INPUT
3
R1
3.3µF
SD
.01µF
FB
GND
7
4
1.23V
V REF
R2
Figure 2. Adjustable Regulator
+V
IN
+V
IN
470kΩ
8
+V
______
ERROR
IN
5
V OUT
1
8
470kΩ
V OUT
+V
______
ERROR
IN
5
ERROR
*V
= V
IN
1
OUT
OUTPUT
LP2951
V OUT
+
3
R1
1µF
LP2951
SD
FB
GND
4
3
SHUTDOWN
INPUT
RESET
SD
7
FB
GND
7
4
R2
*MINIMUM INPUT-OUTPUT VOLTAGE RANGES FROM 40mV to 400mV.
DEPENDING ON LOAD CURRENT. CURRENT LIMIT IS TYPICALLY 150mA
Figure 3. Latch Off When Error Flag Occurs
Figure 4. Wide Input voltage Range Current Limiter
Rev. 8/10/01
LP2950/51 100mA Low Dropout Voltage Regulators
©Copyright 2001 Sipex Corporation
9
SIPEX [ SIPEX CORPORATION ]
