Datasheet

LT1970
19
1970fe
For more information www.linear.com/LT1970
applicaTions inForMaTion
Figure 10. Sensing Output Current
VC
SRC
COMMON
V
EE
VC
SNK
V
–
FILTER
V
+
12V
EN
V
CC
ISNK
ISRC
SENSE
–
SENSE
+
TSD
OUT
+IN
V
CC
0V TO 1V
LT1970
–12V
–IN
R
S
0.2Ω
R
LOAD
1970 F10
R
G
R
F
V
S
–
V
EE
20k
BIAS
–12V
–12V
R1
60.4k
R4
255k
V
OUT
2.5V
±5mV/mA
1kHz FULL CURRENT
BANDWIDTH
R2
10k
R3
20k
V
S
+
LT1787
–
+
LT1880
12V
–12V
0V TO 5V
A/D
OPTIONAL DIGITAL FEEDBACK
Figure 11. Simple Bench Power Supply
VC
SRC
CURRENT LIMIT
ADJUST
COMMON
V
EE
VC
SNK
V
–
FILTER
V
+
EN
V
CC
ISNK
ISRC
SENSE
–
SENSE
+
TSD
OUT
C2
10µF
C1 10µF
R
G
2.55k
LT1634-5
+IN
LT1970
–5V
–IN
R
S
1Ω
R5
5.49k
30V DC
LOAD
FAULT
V
OUT
0V TO 25V
4mA TO 100mA
C3
10µF
GND
1970 F11
+
+
+
LTC1046
R
F
10.2k
R3
10k
R4 10k
OUTPUT
VOLTAGE
ADJUST
R1
2.1k
R2
40k
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.