LP2950 / LP2951
CORPORATION
TYPICAL APPLICATIONS
+VIN
4.75V
OUTPUT
VOLTAGE
8
100K
+VIN
1.2 TO 30V
5
3
1
ERROR
ERROR
VOUT
ERROR*
OUTPUT
LP2951
+
3.3µF
R1
SHUTDOWN
INPUT
SD
GND
4
.01µF
FB
5.0V
7
1.23V
INPUT
VOLTAGE
1.3V
R2
VREF
*SEE APPLICATION INFO.
1F-44
1F-45
FIGURE 1. ERROR OUTPUT TIMING
FIGURE 2. ADJUSTABLE REGULATOR
+VIN
+VIN
8
8
470KΩ
+VIN
+VIN
VOUT
5
3
1
*VOUT = VIN
5
3
1
ERROR
ERROR
VOUT
ERROR
VOUT
OUTPUT
470KΩ
LP2951
LP2951
+
1µF
R1
SHUTDOWN
INPUT
SD
SD
GND
4
GND
4
FB
7
FB
7
R2
*MINIMUM INPUT - OUTPUT VOLTAGE RANGES FROM 4mV TO 400mV.
DEPENDING ON LOAD CURRENT. CURRENT LIMIT IS TYPICALLY 160mA.
WIDE INPUT VOLTAGE RANGE CURRENT LIMITER
LATCH OFF WHEN ERROR FLAG OCCURS
1F-46
1F-47
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CALOGIC [ CALOGIC, LLC ]
