LT1082 Datasheet, PDF (10/12 Pages) Linear Technology – 1A High Voltage, Efficiency Switching Voltage Regulator

LT1082
TYPICAL APPLICATI S
V_IN
30V
to 70V
Totally Isolated Converter
1.24:1 ^MUR110
25V
MUR110
L_PRI
500µH
+
25µF
V_IN
V_SW
LT1082
FB
GND
V_C
3k
+
200µF
1
1
+
200µF
MUR110
15V
AT 0.3A
COM
–15V
AT 0.3A
0.01µF
7k
MINIMUM LOAD OF 0.15A IS REQUIRED
FOR EACH OUTPUT. (SEE AN19)
1082 TA03
V_IN
15V
+
25µF
Boost Converter
1mH, 1A
MUR110
VOUT
90V AT 120mA
V_IN
V_SW
LT1082
FB
GND
V_C
78.8k
+
100µF
4.7k
0.033µF
1.1k
0.22µF
1082 TA04
10