IR3448MPBF datasheet(10/49 Pages) IRF

Part #	IR3448MPBF

Description	16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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IR3448

10

www.irf.com

August 01, 2013

TYPICAL EFFICIENCY AND POWER LOSS CURVES

PVin = Vin = 12V, VCC = Internal LDO, Io=0-16A, 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

0.4

59PR9875N (Vitec)

0.29

1.2

0.4

59PR9875N (Vitec)

0.29

1.8

0.47

7443330047 (Wurth Elektronik)

0.8

3.3

0.88

MPC1040LR88C (NEC/Tokin)

2.3

5.0

1.0

7443330100 (Wurth Elektronik)

1.35

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