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IR3840AM Datasheet(PDF) 8 Page - International Rectifier

Part # IR3840AM
Description  HIGHLY EFFICIENT INTEGRATED 14A SYNCHRONOUS BUCK REGULATOR
PDF  34 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3840AM Datasheet(HTML) 8 Page - International Rectifier

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Rev 11.0
PD-97505
IR3840AMPbF
8
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=2A-14A, 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.
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
2345
678
9
10
11
12
13
14
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
1
2
3
4
5
6
7
8
9
1011121314
Load Current (A)
0.9V
1.0V
1.1V
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
Vout (V)
L(
μH)
P/N
DCR (m
Ω)
0.90
0.22
59PR9873N
0.29
1.00
0.3
59PR9874N
0.29
1.10
0.3
59PR9874N
0.29
1.20
0.3
59PR9874N
0.29
1.50
0.4
59PR9875N
0.29
1.80
0.56
MPC1040LR56
1.3
2.50
0.56
MPC1040LR56
1.3
3.30
0.88
MPC1040LR88
2.3
5.00
0.88
MPC1040LR88
2.3



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