FAN5354 datasheet(8/14 Pages) FAIRCHILD

Numer części	FAN5354

Szczegółowy opis	3MHz, 3A Synchronous Buck Regulator

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Producent	FAIRCHILD [Fairchild Semiconductor]

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FAN5354 • Rev. 1.0.4

8

Typical Characteristics

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

Isupply

VPG

V

OUT

VEN

VIN=VEN

V

OUT

VPG

Isupply

Figure 20. Soft-Start, EN Voltage Raised After VIN=5V,

ILOAD=0, 100μs/div.

Figure 21. Soft-Start, EN Pin Tied to VCC

ILOAD=0, 1ms/div.

Figure 22. Soft-Start, EN Pin Raised After VIN=5V

RLOAD=400mΩ, COUT=100μF, 100μs/div.

Figure 23. Soft-Start, EN Pin Tied to VCC

RLOAD=400mΩ, COUT=100μF, 1ms/div.

Figure 24. Line Transient Response in PWM Mode,

10

μs/div.

Figure 25. Line Transient Response in PFM Mode,

10

μs/div.

Podobny numer części - FAN5354

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