ISL9307IRTAAJBEV1Z datasheet(9/13 Pages) INTERSIL

Part #	ISL9307IRTAAJBEV1Z

Description	3MHz Dual 1500mA Step-Down Converters and Dual Low-Input LDOs

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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9 / 13 page

ISL9307

9

FN7931.3

September 20, 2012

Typical Operating Conditions

FIGURE 5. DCD OUTPUT RIPPLE (VIN = 4.2V, PFM, TIME SCALE = 1µs)

CH1: VODCD1 (20mV/DIV), CH2: IL1 (500mA/DIV),

CH3: VODCD2 (20mV/DIV), CH4: IL2 (500mA/DIV)

FIGURE 6. DCD OUTPUT RIPPLE (VIN = 4.2V, FULL LOADING @

VODCD1 AND VODCD2, TIME SCALE = 200ns)

CH1: SW1 (5V/DIV), CH2: VODCD1 (20mA/DIV),

CH3: SW2 (5V/DIV), CH4: VODCD2 (20mA/DIV)

FIGURE 7. INDUCTOR CURRENT RIPPLE (VIN = 3.6V, PFM,

TIME SCALE = 200ns) CH1: SW1 (2V/DIV),

CH2: IL1 (200mA/DIV), CH3: SW2 (2V/DIV),

CH4: IL2 (200mA/DIV)

FIGURE 8. INDUCTOR CURRENT RIPPLE (VIN = 3.6V, FULL LOADING,

PWM, TIME SCALE = 200ns) CH1: SW1 (2V/DIV),

CH2: IL1 (500mA/DIV), CH3: SW2 (2V/DIV),

CH4: IL2 (500mA/DIV)

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