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LTC1531CSW Datasheet(PDF) 16 Page - Linear Technology

Part # LTC1531CSW
Description  Self-Powered Isolated Comparator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1531CSW Datasheet(HTML) 16 Page - Linear Technology

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LTC1531
1531f, sn1531 LT/TP 0899 4K • PRINTED IN USA
©LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
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Figure 15. AC Line Overcurrent Detect
TYPICAL APPLICATION
ISOGND
V1
V2
V3
V4
1531 F15
VALID
GND
ISOLATION
BARRIER
NEGATIVE COMPARATOR
INPUT SET TO 1.25V
RSENSE IN SERIES WITH AC LINE
RSENSE TRIP VOLTAGE = 125mV
51k
1M
1M
2.5V
2.2
µF
0.22
µF
1N4148
LTC1531
+
–
VPW
VCC
VCC
VTRIP
SHDN
CMPOUT
VREG
ZCDATA
ZCPOS ZCNEG
DATA
Q
D
+
10k
10k
51k
1M
1M
1M
RSENSE
AC
AC
UNUSED OP AMP
TIED FOR MIN
CURRENT DRAIN
LT1496
LT1496
LT1496
2
2
2
2
2
2
= LIVE AC-CONNECTED
LOCAL CIRCUIT COMMON
= EQUIPMENT GROUND
2
VPW
LT1496
2
DANGER!
LETHAL VOLTAGES
IN THIS SECTION!



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