IR3894 IRF [International Rectifier], IR3894 Datasheet - Page 11

• Manufacturer Part Number: IR3894
• Description: 12A HIGHLY INTERGRATED SUPLRBUCK
• Manufacturer: IRF [International Rectifier]

TYPICAL EFFICIENCY AND POWER LOSS CURVES
PVin = 12V, Vcc = External 5V, Io = 0A‐12A, Fs = 600kHz, Room Temperature, No Air Flow. Note that the efficiency and
power loss curves include the losses of IR3898, the inductor losses and the losses of the input and output capacitors.
The table below shows the inductors used for each of the output voltages in the efficiency measurement.
11
AUGUST 08, 2012 | DATA SHEET | Rev 3.1
Vout(V)
1.2
1.8
3.3
1
5
Lout(µH)
0.51
0.51
0.72
Single‐Input Voltage, Synchronous Buck Regulator
1.2
1.2
744325072(Wurth Elektronik)
744325120(Wurth Elektronik)
744325120(Wurth Elektronik)
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59PR9875N (Vitec)
59PR9875N (Vitec)
12A Highly Integrated SupIRBuck
P/N
DCR(mΩ)
0.29
0.29
1.3
1.8
1.8
IR3894
PD‐97745