ISL8011IRZ-T datasheet(4/10 Pages) RENESAS

Part #	ISL8011IRZ-T

Description	1.2A Integrated FETs, High Efficiency Synchronous Buck Regulator

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Manufacturer	RENESAS [Renesas Technology Corp]

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4 / 10 page

ISL8011

FN9254 Rev 2.00

Page 4 of 10

August 4, 2009

FIGURE 3. IQ vs VIN

FIGURE 4. SWITCHING FREQUENCY vs VIN

FIGURE 5. LINE REGULATION (IO = 1A)

FIGURE 6. LOAD REGULATION (VIN = 3.6V)

FIGURE 7. SOFT-START

FIGURE 8. STEADY-STATE (VIN = 3.6V; VO = 1.6V; IO = 1A)

Typical Operating Performance (Continued)

0

1

2

3

4

5

6

7

2.9

3.4

3.9

4.4

4.9

5.4

VIN VOLTAGE RANGE (2.9V to 5.5V)

VO = 2.8V

1.570

1.575

1.580

1.585

1.590

1.595

1.600

1.605

2.7

3.2

3.7

4.2

4.7

5.2

VIN (V)

1.600

1.602

1.604

1.606

1.608

1.610

2.7

3.7

4.7

VIN (V)

5.7

1.590

1.595

1.600

1.605

1.610

0

200

400

600

800

1000

IO (mA)

VOUT

EN

VOUT

IL

VOUT

VPHASE

IL

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