FAN5099MX datasheet(9/24 Pages) FAIRCHILD

Part #	FAN5099MX

Description	Wide Frequency Synchronous Buck PWM AND LDO Controller

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FAN5099 Rev. 1.1.3

9

Typical Performance Characteristics (Continued)

VIN=12V, Vdd=5V, VOUT=1.5V, Vldo=1.2V, Iload=5A, Ildo=2A, Fosc = 300kHz, unless otherwise noted.

Figure 15. LDO Load Regulation

Figure 16. PWM Load Regulation

Figure 17. LDO Load Regulation

Figure 18. RT vs. Frequency

Figure 19. 1.5V PWM Efficiency

Figure 20. Efficiency Comparison at VIN=12V

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