LT1120CH(RevB) 데이터 시트보기 (PDF) - Linear Technology

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LT1120CH
(Rev.:RevB)

Micropower Regulator with Comparator and Shutdown

Linear Technology 

TYPICAL APPLICATIO S

5V Regulator

VIN > 5.2V

IQ = 40µA

+

5

VIN

4

VOUT

10µF

LT1120

GND

1

2

FB

0.001µF

5V

1M

+

25µF

1M

1120 TA06

LT1120

Regulator with Improved Transient Response

5

VIN > 5.2V

VIN

4

VOUT

LT1120

GND

1

2

FB

0.001µF

0.001µF

22k

5V

1M

+

25µF

1M

1120 TA07

Battery-Backup Regulator

BATTERY

INPUT

5

VIN

4

VOUT

LT1120

GND

1

2

FB

0.001µF

VOUT

5V

+

1M

50k

4

VOUT

5

VIN

10µF

2

FB

LT1120

GND

1

MAIN

POWER

INPUT

1M

INTERNAL PARASITIC

DIODES OF LT1120

VIN

VOUT

1120 TA08

5V Regulator with Feedback Shutdown

VIN > 5.2V

IQ = 40µA

5

VIN

4

VOUT

LT1120

GND

1

2

FB

0.001µF 1M

1M

5V

+

OUT

10µF

2N3904*

NC

* TRANSISTOR USED BECAUSE OF LOW LEAKAGE CHARACTERISTICS.

TO TURN OFF THE OUTPUT OF THE LT1120 FORCE FB (PIN 2) > 2.5V.

LOGIC

INPUT

1120 TA09

9

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