Datasheet

LT1970
20
1970fc
APPLICATIONS INFORMATION
Figure 12. Dual Tracking Bench Power Supply
VC
SRC
COMMON
V
EE
VC
SNK
R5
13k
V
–
FILTER
V
+
15V
R6
18.2k
R7
3k
EN
V
CC
ISNK
ISRC
SENSE
–
SENSE
+
TSD
OUT
–IN
LT1970
–15V
R11
10k
15V
C1
1µF
–15V
+IN
R
S1
1Ω
+OUT
CURRENT
LIMIT
THERMAL
FAULT
R8
3k
0.1 10µF
R13
25.5k
GROUND
OPTIONAL SYMMETRY
ADJUST
100Ω
+
C2
10µF
+OUT
0V TO 12V
4mA TO 150mA
–OUT
0V TO –12V
4mA TO 150mA
1970 F12
+
VC
SRC
COMMON
V
EE
VC
SNK
R14
10.7k
V
–
FILTER
V
+
15V
R15
3k
EN
V
CC
ISNK
ISRC
SENSE
–
SENSE
+
TSD
OUT
–IN
LT1970
–15V
+IN
R
S2
1Ω
–OUT
CURRENT
LIMIT
TO TSD PIN
OF +OUT
C3
10µF
R10
10k
1%
10µF 0.1µF
+
+
–
+
–
+
R12
10k
1/2 LT1881
1/2 LT1881
R9
10k
1%
V
OUT
ADJUST
CURRENT
LIMIT
ADJUST
R1
6.19k
R2
10k
R4
10k
LT1634-5
R3
23.2k
5V
REF
18V