LT1020 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT1020

Micropower Regulator and Comparator

Linear Technology 

TYPICAL APPLICATI S

Charge Pump Negative Voltage Generator

1M

51k

0.0033µF

8–

7+

3

5

6

9

1M

51k

VOUT (NL) ≅ – (VIN – 1V)

VOUT (5mA) ≅ – (VIN – 3V)

IQ ≅ 300µA

VIN

2N3904

22k

10µF

1N5819

OR EQUIVALENT

–VOUT

+ 20µF

1020 TA19

LT1020

Charge Pump Voltage Doubler

1M

51k

8– 3

0.0033µF

5

7+

6

9

1M

51k

VIN

1N5819

OR EQUIVALENT

+

VOUT

20µF

2N3904

22k

10µF+

VOUT (NL) ≅ 2VIN – 1V

VOUT (5mA) ≅ 2VIN – 3V

IQ ≅ 300µA

1020 TA20

13

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