TC110 데이터 시트보기 (PDF) - Microchip Technology

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TC110

PFM/PWM Step-Up DC/DC Controller

Microchip Technology 

FIGURE 3-1:

BOOTSTRAPPED OPERATION

L1

100µH

D1

IN5817

5

4

EXT

GND

TC110XX

VOUT

C1

33µF 1

VDD

2

SHDN

3

+

VIN

–

n

MTP3055EL C2

47µF

OFF ON

TC110

VOUT

FIGURE 3-2:

NON-BOOTSTRAPPED OPERATION

+

– VIN

L1

100µH

D1

IN5817

5

4

EXT

GND

TC110XX

VOUT

VDD

SHDN

1

2

3

n

MTP3055EL C2

47µF

C1

33µF

OFF ON

FIGURE 3-3:

SOFT START/SHUTDOWN CIRCUIT

VOUT

TC110XX

SHDN/SS

3

RSS

470K

VIN

CSS

0.1µF

Shutdown Not Used

© 2002 Microchip Technology Inc.

TC110XX

SHDN/SS

3

RSS

470K

CSS

0.1µF

SHDN

Shutdown Used

DS21355B-page 5

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