LTC2931HF 데이터 시트보기 (PDF) - Linear Technology
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LTC2931HF
Linear Technology
LTC2931HF Datasheet PDF : 16 Pages
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LTC2931
TYPICAL APPLICATION
System Reset Generated by Watchdog Timing or Supply Voltage Failure
5V
3.3V
2.5V
1.8V
182k
1%
1.5V
100k
1%
R1
59k
1%
R2
40.2k
1%
0.1μF
4.7nF
4.7nF
V1
V2
V3
V4
V5
V6
VREF
VPG
CRT
CWT
LTC2931
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
RST
WDO
10k
POWER GOOD
RESET
SYSTEM
LOGIC
GND
10
WDI
tWD = 94ms
tRST = 9.4ms
2931 TA02
RELATED PARTS
PART NUMBER
LTC690
LTC694-3.3
LTC1232
LTC1326
LTC1726
LTC1727
LTC1728
LTC1985
LTC2900
LTC2901
LTC2902
LTC2903
LTC2904-LTC2907
LTC2908
LTC2909
LTC2910
LTC2912-LTC2914
LTC2915-LTC2918
LTC2928
DESCRIPTION
5V Supply Monitor, Watchdog Timer and Battery Backup
3.3V Supply Monitor, Watchdog Timer and Battery Backup
5V Supply Monitor, Watchdog Timer and Pushbutton Reset
Micropower Triple Supply Monitor for 5V/2.5V, 3.3V and ADJ
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 Push-Pull Reset Output
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
Precision Quad Supply Monitor
Three-State Programmable Precision Dual Supply Monitor
Precision Six Supply Monitor (Four Fixed & Two Adjustable)
Precision Triple/Dual Input UV, OV and Negative Voltage Monitor
Precision Octal Positive/Negative Voltage Supply Monitor
Single/Dual/Quad UV and OV Voltage Monitors
Single Supply Monitor with 27 Pin-Selectable Thresholds
Quad Power Supply Sequencer and Supervisor
COMMENTS
4.65 Threshold
2.9V Threshold
4.37V/4.62V Threshold
4.725V, 3.118V, 1V Threshold (±0.75%) and ADJ
Adjustable Reset and Watchdog Timeouts
Individual Monitor Outputs in MSOP
5-Lead SOT-23 Package
5-Lead SOT-23 Package
Adjustable Reset, 10-Lead MSOP and DFN Packages
Adjustable Reset and Watchdog Timer
Adjustable Reset and Tolerance
6-Lead SOT-23 Package
8-Lead SOT-23 and DFN Packages
8-Lead TSOT-23 and DFN Packages
Shunt Regulated VCC Pin, Adjustable Threshold and Reset,
8-Lead SOT-23 and DFN Packages
16-Lead SSOP and 5mm × 3mm DFN Packages, H-Grade
Temperature Range
Separate VCC Pin, Adjustable Reset Timer, H-Grade Temperature
Range
Manual Reset, Watchdog, TSOT-8/MSOP-10 and 3mm × 2mm
DFN Packages, H-Grade Temperature Range
Easily Configure Power Management without Software, 36-Lead
5mm × 7mm QFN and SSOP Packages
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
2931fb
LT 0508 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2008
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