LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
U
O
TYPICAL APPLICATI S
High Efficiency Dual Linear Supply
L1
LT1117-5
OUT
285µH
+5V
0.5A
IN
+
MBR360
1k
GND
1000µF
(HEAT SINK)
2.4k
30k
Q1
2N6667
10k
510k
(DARLINGTON)
LT1004-2.5
+
+
D11
1N4002
100µF
20k*
30.1k*
+
MDA201
V
+
+
1/2
LT1018
4700µF
–
–
L1
LT1117-5
OUT
130VAC-
90VAC
STANCOR
P-8685
285µH
IN
+
MBR360
1k
GND
1000µF
(HEAT SINK)
2.4k
30k
2N6667
10k
510k
(DARLINGTON)
LT1004-2.5
+
+
D2
1N4002
100µF
20k*
30.1k*
MDA201
+
+
1/2
LT1018
4700µF
–
–
–
V
= 1 % FILM RESISTORS
= MOTOROLA
= PULSE ENGINEERING, INC. #PE-92106
*
MDA
L1
–5V
0.5A
LT1117 • TA11
Low Dropout Negative Supply
LT1117-5
V
IN
OUT
IN
GND
+
+
10µF
100µF
V
= –5V
OUT
FLOATING INPUT
LT1117 • TA17
10