LTC2904_09 Datasheet, PDF (16/16 Pages) Linear Technology – Precision Dual Supply Monitors with Pin-Selectable Thresholds

LTC2904/LTC2905
TYPICAL APPLICATION
3.3V, 1.2V Dual Supply Monitor with LED Power Good Indicator,
7.5% Tolerance and Adjustable Timer
1.2V
0.1μF
22nF
V2
V1
LTC2905
TMR
TOL
S2
S1
GND
RST
3.3V 1.8V
0.1μF
510Ω
LED
0.1μF
22nF
V2
V1
LTC2905
TMR
TOL
S2
GND
S1
RST
2.5V
0.1μF
29045 TA06
RELATED PARTS
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
LTC1728-2.5/LTC1728-5
LTC1985-1.8
LTC2900
LTC2901
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
for 5V/2.5V, 3.3V and ADJ
Precision Triple Supply Monitor for PCI Applications
Micropower Triple Supply Monitor for 2.5V/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 Open-Drain Reset
Micropower Triple Supply Monitor with Push-Pull Reset Output
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
LTC2902
Programmable Quad Supply Monitor
LTC2903-1
LTC2906
LTC2907
Precision Quad Supply Monitor
Dual Supply Monitor with One Pin-Selectable Threshold and
One Adjustable Input
Dual Supply Monitor with One Pin-Selectable Threshold and
One Adjustable Input
LTC2908
Precision Six Supply Monitors
COMMENTS
4.65V Threshold
2.9V Threshold
4.65V Threshold
4.37V/4.62V Threshold
4.725V, 3.118V, 1V Threshold (±0.75%)
Meets PCI t_FAIL Timing Specifications
Adjustable RESET and Watchdog Timeouts
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, DFN Packages
Adjustable RESET and Watchdog Timer,
16-Lead SSOP Package
Selectable Tolerance, RESET Disable for Margining
Functions, 16-Lead SSOP Package
Ultralow Voltage RESET, 6-Lead SOT-23 Package
0.5V Adjustable Threshold and Three Supply
Tolerances, 8-Lead SOT-23 and DFN Packages
0.5V Adjustable Threshold, Adjustable RESET Timer
and Three Supply Tolerances, 8-Lead SOT-23 and
DFN Packages
Ultralow Voltage RESET, 8-Lead SOT-23 and DFN
Packages
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
29045fd
LT 1109 REV D • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003