LTC2938I Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC2938I Datasheet PDF : 20 Pages
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LTC2938/LTC2939
TYPICAL APPLICATION
Quad-Supply Monitor (Mode 14) with Pushbutton Reset
1μF 5V
V1
1.8V
V3
3.3V 1μF
V2
V4
SYSTEM
CRT
47nF
LOGIC
CRT LTC2938 VREF
RST
WDO
VPG
WDI
GND
CWT
CWT
47nF
293839 TAO6
R1
9.53k
1%
R3
2.15MΩ
1%
12V
VTRIP = 11.25V
10k*
R2
R4
93.1k 100k
1%
1%
MANUAL RESET
PUSHBUTTON
*OPTIONAL RESISTOR FOR
ADDED ESD PROTECTION
RELATED PARTS
PART NUMBER
LTC2900
LTC2901
LTC2902
LTC2908
LTC2930
LTC2931
LTC2932
DESCRIPTION
Programmable Quad-Supply Monitor
Programmable Quad-Supply Monitor
Programmable Quad-Supply Monitor
Precision 6-Supply Monitor (Four Fixed and Two Adjustable)
Configurable 6-Supply Monitor with Adjustable Reset Timer,
Manual Reset
Configurable 6-Supply Monitor with Adjustable Reset and
Watchdog Timers
Configurable 6-Supply Monitor with Individual Comparator
Outputs
COMMENTS
Adjustable Reset, 10-Lead MSOP and DFN Packages
Adjustable Reset and Watchdog Timer
Adjustable Reset and Tolerance
8-Lead TSOT-23 and DFN Packages
H-Grade Temperature Range, 3mm × 3mm DFN-12 Package
H-Grade Temperature Range, Individual Supply Comparator
Outputs, TSSOP-20 Package
Adjustable Reset Timer and Tolerance, Pin-Selectable Tolerance
(5%, 7.5%, 10% or 12.5%), Reset Disable for Margining,
TSSOP-20 Package
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
293839ff
LT 0709 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2009
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