FAN5234(2010) 查看數據表（PDF） - Fairchild Semiconductor

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FAN5234
(Rev.:2010)

Dual Mobile-Friendly PWM / PFM Controller

Fairchild Semiconductor 

Typical Application

VIN (BAT TERY)

= 2 to 24V

+5

VCC

11

C4

R5

ILIM 4

EN

3

C3

+5

SS1

7

FPWM

16

R4

AGND 8

PGOOD

2

VIN

1

FA N5 234

BO OT

15

Q1A

14 HDRV

SW

13

Q1B

10 LDRV

9 PGND

12 ISNS

6 VSEN

5 VOUT

C1

C2

D1

+5

C5

L1

R3

1.8V at 3.5A

C6

R1

R2

Figure 1. 1.18V Output Regulator

Block Diagram

© 2004 Fairchild Semiconductor Corporation

FAN5234 • Rev. 2.0.0

Figure 2. Block Diagram

2

www.fairchildsemi.com

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