IR3856WM datasheet(10/34 Pages) IRF

Part #	IR3856WM

Description	HIGHLY EFFICIENT INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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10 / 34 page

Rev 9.0

PD-97506

IR3856WMPbF

Typical Efficiency and Power Loss Curves

Vin=12V, Vcc=5V, Io=1A-6A, F

s=600kHz, Room Temperature, No Air Flow

The table below shows the inductors used for each of the output voltages

in the efficiency measurement.

Vo (V)

L (uH)

P/N

DCR (mOhm)

0.9

0.68

PCMB065T-R68MS

3.9

1.0

0.68

PCMB065T-R68MS

3.9

1.1

0.82

IHLP2525EZERR82M

4.6

1.2

0.82

IHLP2525EZERR82M

4.6

1.5

1.0

SPM6550T-1R0M100A

4.7

1.8

1.0

SPM6550T-1R0M100A

4.7

2.5

1.5

PCMB065T-1R5MS

6.7

3.3

1.5

PCMB065T-1R5MS

6.7

5.0

2.2

PCMB065T-2R2MS

11.2

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Load Current (A)

0.9V

1.0V

1.1V

1.2V

1.5V

1.8V

2.5V

3.3V

5.0V

0.1

0.3

0.5

0.7

0.9

1.1

1.3

1.5

1.7

1.9

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

Load Current (A)

0.9V

1.0V

1.1V

1.2V

1.5V

1.8V

2.5V

3.3V

5.0V

IR3856WM Datasheet(PDF) 10 Page - International Rectifier

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