FAN5631 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN5631

Regulated Step-Down Charge Pump DC/DC Converter

Fairchild Semiconductor 

Typical Application

VSEL

1

ON

EN

2

OFF

3

CB+ GND

4

CB-

5

10 NC

9

8 NNCC

7 NC

6

COUT

10µF

VIN = 2.7V to 5.5V

CIN

10µF

VOUT = 1.2V to 1.5V

IOUT_max= 250mA

Figure 1. Typical Application

FAN5631

FAN5632 with

optimization

Average Efficiency (over VIN=2.7V to 5V) = 66%, with optimization = 77%

Average Efficiency (over VIN=2.7V to 4.2V) = 67%, with optimization = 84%

Figure 2. Typical Efficiency Graph

© 2006 Fairchild Semiconductor Corporation

FAN5631/FAN5632 Rev. 1.0.2

2

www.fairchildsemi.com

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