LT1020 データシートの表示（PDF） - Linear Technology

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LT1020

Micropower Regulator and Comparator

Linear Technology 

LT1020

TYPICAL APPLICATI S

Current Limited 1 Amp Regulator

2.2k

3

VIN

LT1020

GND

9

VOUT 2

11

FB

0.22µF

270Ω

MJE2955

100k

0.5Ω*

VIN

2N3906*

VOUT

5V, 1A

220µF†

100k

*

SETS CURRENT LIMIT BUT INCREASES

DROPOUT VOLTAGE BY 0.5V.

† MUST HAVE LOW ESR. SEVERAL 100µF

CAPACITORS CAN BE PARALLELED.

1020 TA16

1 Amp Regulator with Precision Current Limit

VIN

12V

2.2k

100k

8–

4

LT1020

MJE2955

3

0.22µF

100k

2

7

1.2k

+

FB 11

ISC

SENSE

0.03Ω

6

5

9

† MUST HAVE LOW ESR. SEVERAL 100µF

CAPACITORS CAN BE PARALLELED.

1N4148

270Ω

100k

100µF

220µF†

VOUT

5V

1A

RL

1020 TA17

12

8–

7+

Logic Output on Dropout

VIN

4

3

LT1020

2

1M

11

FB

6

5

9

13

1M

0.001µF

VOUT

5V

10µF

1M

“DROPOUT”

0V

VIN

TTL COMPATIBLE

1020 TA18

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