LTC2938 LINER [Linear Technology], LTC2938 Datasheet - Page 20

• Manufacturer Part Number: LTC2938
• Description: Confi gurable 4- and 6-Supply Monitors with Watchdog Timer
• Manufacturer: LINER [Linear Technology]

LTC2938/LTC2939
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC2900
LTC2901
LTC2902
LTC2908
LTC2930
LTC2931
LTC2932
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Programmable Quad-Supply Monitor
Programmable Quad-Supply Monitor
Programmable Quad-Supply Monitor
Precision 6-Supply Monitor (Four Fixed and Two Adjustable)
Confi gurable 6-Supply Monitor with Adjustable Reset Timer,
Manual Reset
Confi gurable 6-Supply Monitor with Adjustable Reset and
Watchdog Timers
Confi gurable 6-Supply Monitor with Individual Comparator
Outputs
293839 TAO6
●
C
47nF
FAX: [phone]
RT
SYSTEM
LOGIC
1μF
1.8V
Quad-Supply Monitor (Mode 14) with Pushbutton Reset
5V
●
www.linear.com
V1
V3
CRT
RST
WDO
WDI
LTC2938
V
GND
CWT
V
REF
V2
V4
PG
3.3V
47nF
C
WT
1μF
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
R1
9.53k
1%
R2
93.1k
1%
R4
100k
1%
*OPTIONAL RESISTOR FOR
2.15MΩ
ADDED ESD PROTECTION
10k*
1%
R3
12V
V
TRIP
© LINEAR TECHNOLOGY CORPORATION 2009
MANUAL RESET
PUSHBUTTON
= 11.25V
LT 0709 • PRINTED IN USA
293839ff