LTC2904 Linear Technology, LTC2904 Datasheet - Page 16

• Manufacturer Part Number: LTC2904
• Description: (LTC2904 / LTC2905) Precision Dual Supply Monitors
• Manufacturer: Linear Technology

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LTC2904/LTC2905
TYPICAL APPLICATIO
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
LTC1728-2.5/LTC1728-5
LTC1985-1.8
LTC2900
LTC2901
LTC2902
LTC2903-1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
1.2V
0.1µF
●
FAX: [phone]
22nF
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/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
Programmable Quad Supply Monitor
Precision Quad Supply Monitor
U
V2
TMR
S2
S1
GND
●
LTC2905
www.linear.com
Quad Supply Monitor with LED Undervoltage Indicator,
RST
TOL
V1
5% Tolerance, 3.3V, 2.5V, 1.8V, 1.2V
0.1µF
510Ω
LED
3.3V
1.8V
22nF
0.1µF
V2
TMR
GND
RST
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
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, DFN Packages
Adjustable RESET and Watchdog Timer,
16-Lead SSOP Package
Selectable Tolerance, RESET Disable for Margining
Functions, 16-Lead SSOP Package
Ultra Low Voltage RESET, 6-Lead SOT-23 Package
LTC2905
2905 TA05
TOL
V1
S2
S1
FAIL
© LINEAR TECHNOLOGY CORPORATION 2003
Timing Specifications
LT/TP 01/04 1K • PRINTED IN USA
0.1µF
2.5V
sn29045 29045fs