LTC1921IMS8 Linear Technology, LTC1921IMS8 Datasheet - Page 12

• Manufacturer Part Number: LTC1921IMS8
• Description: IC DUAL PWR SUPPLY MONITOR 8MSOP
• Manufacturer: Linear Technology

Specifications of LTC1921IMS8

• Applications: Dual Power Supply Monitor
• Voltage - Supply: 10 V ~ 80 V
• Current - Supply: 160µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

LTC1921
TYPICAL APPLICATIO S
RELATED PARTS
PART NUMBER
LT4250
LTC4251
LTC4252
LTC4253
12
1
8
2
7
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
V
V
FUSE A
FUSE B
A
B
LTC1921
1/4W
RTN
47k
V
Single 48V Supply Monitor
+
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
3
OUT A
OUT B
OUT F
4
5
6
SUPPLY A
SUPPLY B
–48V
–48V
MOC207
1921 TA04
U
–48V RETURN
COMMON
LOGIC V
LOGIC
www.linear.com
Voltage and Fuse Monitor with LED Outputs
47k
+
F1
F2
SUPPLY GOOD
R1
100k
R2
100k
1
8
2
7
V
V
FUSE A
FUSE B
A
B
V
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
1
8
2
7
1921 TA03
4
5
6
V
V
FUSE A
FUSE B
A
B
LTC1921
Single –48V Supply Monitor
1/4W
RTN
47k
R3
5.1k
2W
3
OUT A
OUT B
OUT F
D3
GREEN
D4
GREEN
D5
GREEN
–48V OUT
4
5
6
LINEAR TECHNOLOGY CORPORATION 2002
MOC207
1921 TA06
LT/TP 0902 2K • PRINTED IN USA
LOGIC V
COMMON
LOGIC
47k
+
SUPPLY GOOD
1921f