ECJ-1VB1H222K datasheet(8/35 Pages) IRF

Part #	ECJ-1VB1H222K

Description	HIGHLY INTEGRATED 10A SINGLE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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8 / 35 page

8

IR3838MPbF

Rev 1.41

Typical Efficiency and Power Loss Curves

Vin=12V, Vcc=5V (external), Io=1A-10A, 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 [µH]

MFR

P/N

DCR [mΩ]

1.2

0.51

Vitec

59PR9876N

0.29

1.8

0.72

Wurth Elek. 744 325 072

1.3

3.3

1.2

Wurth Elek. 744 325 120

1.8

5.0

1.2

Delta

MPL1055-1R2

2.9

80

82

84

86

88

90

92

94

96

98

12

3

456789

10

Load Current (A)

1.2V

1.8V

3.3V

5.0V

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

1

234567

8

9

10

Load Current (A)

1.2V

1.8V

3.3V

5.0V

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