AIC1577COTR 데이터 시트보기 (PDF) - Analog Intergrations

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AIC1577COTR

External NMOS Step-Down PWM Controller

Analog Intergrations 

AIC1577

Fig. 15 Placement (Top Overlay)

Fig. 16 Placement (Bottom Overlay)

APPLICATION CIRCUIT

** VIN 6V~24V

R4

1.2M

D2

LL4148

C7

1µF

C5

330pF

R3

24k

1

CS

VIN 8

2 ITH/RUN BOOST 7

3

FB

DRI 6

4

GND

SW 5

AIC1577

1000pF

C1

C2

0.1µF

C3

0.1µF

C4

R1

20k

1nF

R2 62k

RS

33m

VIN 6V~24V

+ CIN1

22µF

+ CIN2

22µF

M1

FDS6694

L1

VOUT 3.3V 3A

D1

SL43

10µH

COUT

220µF

C6

2.2µF

Fig. 17 3.3V Step-Down Converter with External Soft-Start Circuit

12

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