FAN5354 查看數據表（PDF） - ON Semiconductor

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FAN5354

3 MHz, 3 A Synchronous Buck Regulator

ON Semiconductor 

Typical Characteristics

Unless otherwise specified, VIN=5 V, VOUT=1.2 V, circuit of Figure 1, and components per Table 1.

Figure 19. Soft-Start, EN Pin Raised After VIN=5 V

RLOAD=400 m, COUT=100 F, 100 s/div.

Figure 20. Soft-Start, EN Pin Tied to VCC

RLOAD=400 m, COUT=100 F, 1 ms/div.

Figure 21. Line Transient Response in PWM Mode,

10 s/div.

Figure 22. Line Transient Response in PFM Mode,

10 s/div.

© 2009 Fairchild Semiconductor Corporation

FAN5354 • Rev. 1.0.7

8

www.fairchildsemi.com

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