LTC2902 Linear Integrated, LTC2902 Datasheet - Page 16

• Manufacturer Part Number: LTC2902
• Description: Programmable Quad Supply Monitor
• Manufacturer: Linear Integrated

TYPICAL APPLICATIO
LTC2902
RELATED PARTS
16
PART NUMBER
LTC690
LTC694-3.3
LTC699
LTC1232
LTC1326
LTC1326-2.5
LTC1536
LTC1726-2.5
LTC1726-5
LTC1727-2.5/LTC1727-5
LTC1728-1.8/LTC1728-3.3 Micropower Triple Supply Monitor with Open-Drain Reset
LTC1728-2.5/LTC1728-5
LTC1985-1.8
LTC2900
LTC2901
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
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 Push-Button Reset
Micropower Precision Triple Supply Monitor for 5V, 3.3V and ADJ
Micropower Precision Triple Supply Monitor for 2.5V, 3.3V and ADJ 2.363V, 3.118V, 1V Thresholds ( 0.75%)
Precision Triple Supply Monitor for PCI Applications
Micropower Triple Supply Monitor for 2.5V, 3.3V and ADJ
Micropower Triple Supply Monitor for 5V, 3.3V and ADJ
Micropower Triple Supply Monitor with Open-Drain Reset
Micropower Triple Supply Monitor with Open-Drain Reset
Micropower Triple Supply Monitor with Push-Pull Reset Output
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
U
www.linear.com
12.5% Tolerance (After RST Goes High)
Quad Supply Monitor with Hysteresis
R1
59k
1%
R2
40.2k
1%
3.3V
2.5V
1.8V
5V
5% Tolerance (Supplies Rising)
14
13
12
11
10
4
3
8
V1
V2
V3
V4
RDIS
V
V
GND
REF
PG
LTC2902-1
COMP1
COMP2
COMP3
COMP4
RST
CRT
T0
T1
2902 TA05
2
16
1
15
6
7
9
5
C
RT
10k
COMMENTS
4.65V Threshold
2.9V Threshold
4.65V Threshold
4.37V/4.62V Threshold
4.725V, 3.118V, 1V Thresholds ( 0.75%)
Meets PCI t
Adjustable RESET and Watchdog Time-Outs
Adjustable RESET and Watchdog Time-Outs
Individual Monitor Outputs in MSOP
5-Lead SOT-23 Package
5-Lead SOT-23 Package
5-Lead SOT-23 Package
Adjustable RESET, 10-Lead MSOP Package
Adjustable RESET and Watchdog Timer,
16-Lead SSOP Package
FAIL
Timing Specifications
LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 1002 2K • PRINTED IN USA
2902f