LT1620 Linear Technology, LT1620 Datasheet - Page 12

• Manufacturer Part Number: LT1620
• Description: Rail-to-Rail Current Sense Amplifier
• Manufacturer: Linear Technology

RELATED PARTS
LT1620/LT1621
PART NUMBER
LTC
LTC1436/LTC1436-PPL/ High Efficiency Low Noise Synchronous Step-Down
LTC1437
LTC1438/LTC1439
LT1510
LT1511
LT1512
LT1513
LTC1538-AUX
LTC1539
12
TYPICAL
®
1435
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 [phone]
FAX: [phone] TELEX: 499-3977 www.linear-tech.com
APPLICATION
DESCRIPTION
High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
Switching Regulator Controllers
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulators
1.5A Constant-Current/Constant-Voltage Battery Charger
3.0A Constant-Current/Constant-Voltage Battery Charger
with Input Current Limiting
SEPIC Constant-Current/Constant-Voltage Battery Charger Step-Up/Step-Down Charger for up to 1A Charging Current
SEPIC Constant-Current/Constant-Voltage Battery Charger Step-Up/Step-Down Charger for up to 2A Charging Current
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
5V
2N3904
0.1 F
TYPICAL DC TRIP AT 1.6A
3A FAULT TRIPS
IN 2ms WITH C
U
0.033
33k
DELAY
1
2
3
4
= 1.0 F
1k
SENSE
I
GND
–IN
OUT
Electronic Circuit Breaker
Si9434DY
LT1620MS8
PROG
AVG
V
+IN
CC
8
7
6
5
2N3904
COMMENTS
16-Pin Narrow SO and SSOP, V
Constant Frequency
Full-Featured Single Controller, V
Constant Frequency
Full-Featured Dual Controllers, V
Constant Frequency
Step-Down Charger for Li-Ion, NiCd and NiMH
Step-Down Charger that Allows Charging During Computer
Operation and Prevents Wall-Adapter Overload
5V Standby in Shutdown, V
Constant Frequency
5V Standby in Shutdown, V
Constant Frequency
100
4.7k
C
DELAY
LT1620/21 • TA03
33k
1N4148
100k
IN
IN
5V AT 1A
PROTECTED
FAULT
IN
36V, Programmable
36V, Programmable
IN
LINEAR TECHNOLOGY CORPORATION 1996
IN
16201f LT/GP 0197 7K • PRINTED IN USA
36V, Programmable
36V, Programmable
36V, Programmable