LTC1536
TYPICAL APPLICATIONS N
Quad Supply Monitor:
12V: Undervoltage, Overvoltage
5V: Undervoltage, Overvoltage
3.3V: Undervoltage, Overvoltage
– 12V: Undervoltage
3.3V ± 0.3V
5V ± 5%
12V ± 5%
2.37M
1%
1.21M
1%
3
LTC1444
4–
A
5+
4.02M
1%
6–
1.21M
B
7+
9.31M
1%
1M
10 –
C
11 +
12 –
D
13 +
– 12V ±10%
10.7M
1%
1.21M
1%
REF
1.221V
8
14
HYST
0.1µF
2
5V
12V
1.05M
1%
1
102k
1%
OPTIONAL
PWR GOOD
16
15
9
1536 TA07
LTC1536
1
VCC3
2
VCC5
3
VCCA
4
GND
8
PBR
7
SRST
6
RST
5
RST
100k
SYSTEM
RESET
RELATED PARTS
PART NUMBER
LTC690
LTC694-3.3
LTC699
LTC1232
LTC1326
LTC1326-2.5
DESCRIPTION
5V Supply Monitor, Watchdog Timer and Battery Backup
3.3V Supply Monitor, Watchdog Timer and Battery Backup
5V Supply Monitor and Watchdog Timer
5V Supply Monitor, Watchdog Timer and Pushbutton Reset
Micropower Precision Triple Supply Monitor
Micropower Precision Triple Supply Monitor
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
COMMENTS
4.65V Threshold
2.9V Threshold
4.65V Threshold
4.37V/4.62V Threshold
4.725V, 3.118V, 1V Thresholds (±0.75%)
2.363V, 3.118V, 1V Thresholds (±0.75%)
1536fa
LT 0106 REV A • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 1997