FAN5308 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN5308

800mA High-Efficiency Step-Down DC-DC Converter

Fairchild Semiconductor 

Typical Performance Characteristics (Continued)

TA = 25°C, CIN = 10µF, COUT = 20µF, L = 3.3µH, R2 = 10kΩ, unless otherwise noted.

Time (1μs/div)

Figure 9. PWM Mode

100mA

VOUT = 1.2V

600mA

Time (10μs/div)

Figure 11. Load Transient Response

Time (5μs/div)

Figure 10. Power-Save Mode

600mA

VOUT = 1.2V

100mA

Time (10μs/div)

Figure 12. Load Transient Response

VOUT = 1.2V

IOUT = 10mA

Time (100μs/div)

Figure 13. Start-Up Response

VOUT = 1.2V

IOUT = 800mA

Time (200μs/div)

Figure 14. Start-Up Response

© 2005 Fairchild Semiconductor Corporation

FAN5308 Rev. 1.0.2

6

www.fairchildsemi.com

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