IR3841MPbF
Typical Efficiency and Power Loss Curves
Vin=5V, Vcc=5V, Io=1A-8A, Fs=600kHz, Room Temperature, No Air Flow
For all the output voltages, L=0.51uH (DCR=0.29 m ? , P/N: 59PR9876N)
96
94
92
90
88
86
84
82
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
Load Current (A)
0.7Vout
1.2Vout
0.75Vout
1.5Vout
0.9Vout
1.8Vout
1.0Vout
2.5Vout
1.1Vout
3.3Vout
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
1
2
3
4
5
6
7
8
Load Current (A)
0.7Vout
1.2Vout
0.75Vout
1.5Vout
0.9Vout
1.8Vout
1.0Vout
2.5Vout
1.1Vout
3.3Vout
06/18/09
10
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