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IR3840WM Folha de dados(PDF) 8 Page - International Rectifier

Nome de Peças IR3840WM
Descrição Electrónicos  HIGHLY EFFICIENT INTEGRATED 12A SYNCHRONOUS BUCK REGULATOR
PDF  34 Pages
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Fabricante Electrônico  IRF [International Rectifier]
Página de início  http://www.irf.com
Logo IRF - International Rectifier

IR3840WM Folha de dados(HTML) 8 Page - International Rectifier

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Rev 12.0
PD-97657
IR3840WMPbF
8
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=2A-12A, 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.
80
82
84
86
88
90
92
94
96
98
23
45
67
89
10
11
12
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
12
345
67
8
9
10
11
12
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
Vo (V)
L (uH)
P/N
DCR (mOHm)
0.9
0.3
59PR9874N
0.29
1.0
0.3
59PR9874N
0.29
1.1
0.4
59PR9875N
0.29
1.2
0.4
59PR9875N
0.29
1.5
0.5
59PR9876N
0.29
1.8
0.5
59PR9876N
0.29
2.5
0.6
MPL104-0R6
1.5
3.3
1.0
MPL105-1R0
2.3
5.0
1.0
MPL105-1R0
2.3



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