LT1020 Datasheet, PDF (13/16 Pages) Linear Technology – Micropower Regulator and Comparator

TYPICAL APPLICATI S
Charge Pump Negative Voltage Generator
1M
51k
0.0033µF
8_–
7₊
3
5
6
9
1M
51k
V_OUT (NL) ≅ – (V_IN – 1V)
V_OUT (5mA) ≅ – (V_IN – 3V)
I_Q ≅ 300µA
V_IN
2N3904
22k
10µF
1N5819
OR EQUIVALENT
–V_OUT
+ ^20µF
1020 TA19
LT1020
Charge Pump Voltage Doubler
1M
51k
8_– 3
0.0033µF
5
7₊
6
9
1M
51k
V_IN
1N5819
OR EQUIVALENT
+
V_OUT
20µF
2N3904
22k
10µF₊
V_OUT (NL) ≅ 2V_IN – 1V
V_OUT (5mA) ≅ 2V_IN – 3V
I_Q ≅ 300µA
1020 TA20
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