spx2950acn-l-5-0-tr Exar Corporation, spx2950acn-l-5-0-tr Datasheet - Page 10

• Manufacturer Part Number: spx2950acn-l-5-0-tr
• Description: Spx2951 -150ma Low Dropout Voltage Regulator
• Manufacturer: Exar Corporation

TYPICAL APPLICATIONS: (Continued)
Figure 3. Latch Off When Error Flag Occurs
DATE: 12/01/04
Figure 5.Low Battery Disconnect
FOR 5.5 V
+
470KΩ
6V
SEALED
LEAD-
ACID
BATTERY
SOURCE
RESET
470kΩ
3
5
SD
______
ERROR
120kΩ
400kΩ
FB
SPX2951
SPX385
GND
+V
+V
4
IN
IN
8
100kΩ
1.5kΩ
V
FB
OUT
7
1
SPX2950/SPX2951 150mA Low Dropout Voltage Regulator
1N457
R
R
1
2
V
OUT
+
1µF
3
10
SD
Figure 4. Wide Input Voltage Range Current Limiter
SPX2951
OUTPUT
SHUTDOWN
INPUT
ERROR
*MINIMUM INPUT-OUTPUT VOLTAGE RANGES FROM 40mV to 400mV.
DEPENDING ON LOAD CURRENT.
GND
+V
4
IN
8
SENSE
V
3
5
OUT
SD
______
ERROR
2
GND
1
4
SPX2951
+V
+V
IN
IN
8
+
1µF
7
FB
©Copyright 2004 Sipex Corporation
V
OUT
1
MEMORY V+
MAIN V+
20kΩ
NI-CAD
BACKUP
BATTERY
*V
OUT
= V
IN