LT1620 Linear Technology, LT1620 Datasheet - Page 10

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

LT1620/LT1621
10
TYPICAL APPLICATIONS
6V TO
15V
5V
0.1 F
TO 28V
6V
+
2N7002
22 F
25V
TPS
0.1 F
8
SHUTDOWN
IN
SHDN
LT1121CS8-5
4.7k
5
10k
GND
U
OUT
3
820
4.7k
2N4401
2N4403
1
+
High Efficiency Buck Constant Current Source
VN2222LM
Si9405
Programmable Constant Current Source
470
1 F
10k
D45VH10
1 F
22
1
3
5
6
8
SENSE
GND
MODE
–IN
I
MBRS130T3
OUT
2N3904
LT1620GN
CTX50-4
50 H
PROG2
0.1
PROG
AVG2
AVG
18k
V
+IN
CC
16
14
13
12
11
9
1
2
3
4
SENSE
I
GND
–IN
OUT
0.05
LT1620MS8
0.1 F
47k
0.047 F
PROG
0.1 F
AVG
V
+IN
CC
20k
33k
2N7002
8
7
6
5
+
22 F
25V
TPS
I
R
OUT
I
PROG
PROG
LT1620/21 • TA04
0.1 F
I
R
= (I
OUT
I
PROG
PROG
= 90k FOR 1A OUTPUT
PROG
0.1 F
= (I
= 40k FOR 1A OUTPUT
I
0A TO 1A
PROG
OUT
)(20,000)
10k
1%
R
I
0A TO 1A
PROG
OUT
)(10,000)
10k
1%
R
PROG
LT1620/21 • TA01