LTC1921 Linear Technology, LTC1921 Datasheet - Page 12

• Manufacturer Part Number: LTC1921
• Description: Dual .48V Supply and Fuse Monitor
• Manufacturer: Linear Technology

TYPICAL APPLICATIO
RELATED PARTS
LTC1921
PART NUMBER
LT4250
LTC4251
LTC4252
LTC4253
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
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
SUPPLY A
SUPPLY B
–48V
–48V
U
–48V RETURN
www.linear.com
Voltage and Fuse Monitor with LED Outputs
F1
F2
R1
100k
R2
100k
1
8
2
7
V
V
FUSE A
FUSE B
A
B
LTC1921
RTN
D1
D2
3
OUT A
OUT B
OUT F
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
1921 TA03
4
5
6
R3
5.1k
2W
D3
GREEN
D4
GREEN
D5
GREEN
–48V OUT
LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0502 1.5K • PRINTED IN USA
1921i