Datasheet

12
LT1020
sn1020 1020fcs
–
+
1020 TA18
5
6
1M
0.001µF
+
4
7
8
9
1M
2
11
FB
V
IN
3
LT1020
10µF
V
OUT
5V
1M
13
“DROPOUT”
V
IN
0V
TTL COMPATIBLE
Logic Output on Dropout
1020 TA17
5
6
100k
0.22µF
+
4
7
8
9
100k
220µF
†
2
11
FB
V
IN
12V
3
1N4148
LT1020
100µF
ISC
SENSE
0.03Ω
V
OUT
5V
1A
1.2k
MUST HAVE LOW ESR. SEVERAL 100µF
CAPACITORS CAN BE PARALLELED
†
100k
+
R
L
2.2k
270Ω
MJE2955
–
+
1 Amp Regulator with Precision Current Limit
TYPICAL APPLICATIO S
U
Charge Pump Negative Voltage Generator
–
+
1020 TA19
5
6
+
7
8
9
22k
51k
V
IN
3
1N5819
OR EQUIVALENT
–V
OUT
1M
2N3904
+
20µF
V
OUT
(NL) ≅ – (V
IN
– 1V)
V
OUT
(5mA) ≅ – (V
IN
– 3V)
I
Q
≅ 300µA
0.0033µF
10µF
51k
1M