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IR3841WM Datasheet(PDF) 8 Page - International Rectifier

Part # IR3841WM
Description  HIGHLY EFFICIENT INTEGRATED 8A SYNCHRONOUS BUCK REGULATOR
PDF  34 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3841WM Datasheet(HTML) 8 Page - International Rectifier

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Rev 8.0
8
PD-97658
IR3841WMPbF
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=1A-8A, F
s=600kHz, Room Temperature, No Air Flow
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
Vo (V)
L (uH)
P/N
DCR (mOhm)
0.7
0.4
59PR9875N
0.29
0.8
0.4
59PR9875N
0.29
0.9
0.4
59PR9875N
0.29
1.0
0.5
59PR9876N
0.29
1.1
0.5
59PR9876N
0.29
1.2
0.6
MPL104-0R6
1.50
1.5
0.9
MPC1040LR88
2.30
1.8
0.9
MPC1040LR88
2.30
2.5
1.0
MPL105-1R0IR
2.30
3.3
1.2
MPL105-1R0IR
2.30
5.0
1.5
MPL105-1R0IR
2.30
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
12
3456
78
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
80
82
84
86
88
90
92
94
96
98
12
34
56
78
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V



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