IR3447M datasheet(10/51 Pages) IRF

Part #	IR3447M

Description	Single 5V to 21V application

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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IR3447

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June 18, 2015

TYPICAL EFFICIENCY AND POWER LOSS CURVES

PVin = Vin = 12V, VCC = Internal LDO, Io=0-25A, Fs= 600kHz, Room Temperature, No Air Flow. Note that the

losses of the inductor, input and output capacitors are also considered in the efficiency and power loss curves.

The table below shows the indicator used for each of the output voltages in the efficiency measurement.

VOUT (V)

LOUT (uH)

P/N

DCR (mΩ)

1.0

0.215

PCDC1008-R215EMO (Cyntec)

0.29

1.2

0.215

PCDC1008-R215EMO (Cyntec)

0.29

1.8

0.311

FP1109-R33-R (Coiltronics)

0.42

3.3

0.68

7443320068 (Wurth Elektronik)

0.72

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