ISL97656 datasheet(4/9 Pages) RENESAS

Part #	ISL97656

Description	Step-Up Regulator with 4A Integrated Switch

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Manufacturer	RENESAS [Renesas Technology Corp]

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4 / 9 page

ISL97656

FN6439 Rev 6.00

Page 4 of 9

July 19, 2012

Performance Curves

FIGURE 2. VOUT = 5V EFFICIENCY

FIGURE 3. VOUT = 5V EFFICIENCY

FIGURE 4. VOUT = 9V EFFICIENCY

FIGURE 5. VOUT = 9V EFFICIENCY

FIGURE 6. VOUT = 12.3V EFFICIENCY

FIGURE 7. VOUT = 12.3V EFFICIENCY

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0.1

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0.9

1

1.1

LOAD (A)

VIN = 3.0V

VIN = 3.3V

VIN = 4.5V

VIN = 3.7V

VIN = 4.0V

VOUT = 5V, fSW = 640kHz

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0

0.1

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0.9

1

1.1

LOAD (A)

VOUT = 5V, fSW = 1220kHz

VIN = 3.0V

VIN = 3.3V

VIN = 4.5V

VIN = 3.7V

VIN = 4.0V

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0.1

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1.0

LOAD (A)

fSW = 1220kHz

fSW = 640kHz

VIN = 3.3V, VOUT = 9V

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0

0.2

0.4

0.6

0.8

1.0

1.2

LOAD (A)

VIN = 5V, VOUT = 9V

fSW = 1220kHz

fSW = 640kHz

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0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3

LOAD (A)

fSW = 1220kHz

fSW = 640kHz

VIN = 5V, VOUT = 12.3V

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0.1

0.2

0.3

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0.5

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0.7

LOAD (A)

fSW = 1220kHz

fSW = 640kHz

VIN = 3.3V, VOUT = 12.3V

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