IR3894 IRF [International Rectifier], IR3894 Datasheet - Page 11
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IR3894
Manufacturer Part Number
IR3894
Description
12A HIGHLY INTERGRATED SUPLRBUCK
Manufacturer
IRF [International Rectifier]
Datasheet
1.IR3894.pdf
(43 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3894MTRPBF
Manufacturer:
IR
Quantity:
12 000
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)
- 11 -`
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