Linear Technology LT2940 Power & Current Monitor DC1495A DC1495A 데이터 시트

제품 코드

DC1495A

LT2940

2940f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900

●

FAX: (408) 434-0507

●

www.linear.com

LT 1109 • PRINTED IN USA

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TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

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LTC4261

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C Monitoring

Floating Topology Allows Very High Voltage Operation

Integrating Watt-Hour Meter

CMP

PMON

IMON

CMPOUT

6V TO 80V

1024 COUNTS
= 1 WATT-HOUR

CD4040

0A TO 2A

S1B
S2B
S3B

–

S4B

OUT

ADJ

SHDN

RESET

LT3014

CMPOUT

LATCH

–

LT2940

2.2μF

C16
1μF

2940 TA14

OSC

SHA

GND

LTC6702

GND

–

LTC6943

12V

R14
20.0k

R13
4.99k

C18

0.1μF

R2
215k

R1
11.3k

RESET

100mΩ

R17
309k

R18
49.9k

R16
100k

C17
0.47μF

C1
1μF

R15
24.9k

2N7002

GND

S1A
S2A
S3A

–

LOAD
(80W MAX)

S4A

C19
0.1μF

C20
0.1μF

= 100mΩ