FAN5631 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN5631

Regulated Step-Down Charge Pump DC/DC Converter

Fairchild Semiconductor 

Typical Performance Characteristics (Continued)

TA = 25°C, VOUT = 1.5V, VIN = 3.6V, CIN = 10µF, COUT = 10µF, CB = 1µF, unless otherwise noted.

VEN

VOUT

IIN

ILOAD = 150mA

VSEL

Low

75mA

0mA

VOUT

1.2V

(20µs/div)

High

1.5V

Low

1.2V

Figure 10. Start-Up

Figure 11. Dynamic VOUT Change (FAN5631)

VIN = 3.6V

ILOAD = 150mA

VOUT

VIN

Figure 12. Voltage Ripple

Figure 13. Output Voltage Ripple Spectrum

© 2006 Fairchild Semiconductor Corporation

FAN5631/FAN5632 Rev. 1.0.2

7

www.fairchildsemi.com

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