LTC1921I Просмотр технического описания (PDF) - Linear Technology
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LTC1921I Datasheet PDF : 12 Pages
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LTC1921
TYPICAL APPLICATIO S
Single 48V Supply Monitor
V+
3
1
VA
RTN
4
OUT F
8
LTC1921
VB
2
5
FUSE A OUT A
7
6
FUSE B OUT B
LOGIC V+
47k
SUPPLY GOOD
MOC207
LOGIC
COMMON
47k
1/4W
1921 TA04
Single –48V Supply Monitor
3
RTN
V–
1
VA
4
OUT F
8
LTC1921
VB
2
5
FUSE A OUT A
7
6
FUSE B OUT B
47k
1/4W
LOGIC V+
47k
SUPPLY GOOD
MOC207
LOGIC
COMMON
1921 TA06
Voltage and Fuse Monitor with LED Outputs
–48V RETURN
F1
SUPPLY A
–48V
F2
SUPPLY B
–48V
R1
100k
R2
100k
1
VA
3
RTN
4
OUT F
8
VB
LTC1921
2
FUSE A
D3
GREEN
D4
GREEN
7
5
FUSE B OUT A
6
OUT B
D1
D5
GREEN
R3
5.1k
2W
–48V OUT
D2
1921 TA03
RELATED PARTS
PART NUMBER
LT4250
LTC4251
LTC4252
LTC4253
DESCRIPTION
–48V Hot Swap Controller in SO-8 Package
–48V Hot Swap Controller in SOT-23 Package
–48V Hot Swap Controller in MSOP Package
–48V Hot Swap Controller with Sequencer
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
COMMENTS
Active Current Limiting, Supplies from –20V to –80V
Fast Active Current Limiting, Supplies from –15V (Floating)
Fast Active Current Limiting, Floating Supply, PWRGD Output
Similar to LTC4252, Sequences Three DC/DC Converters
1921f
LT/TP 0902 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2002
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