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IR3840WM Datasheet(PDF) 25 Page - International Rectifier

Part # IR3840WM
Description  HIGHLY EFFICIENT INTEGRATED 12A SYNCHRONOUS BUCK REGULATOR
PDF  34 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3840WM Datasheet(HTML) 25 Page - International Rectifier

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Rev 12.0
PD-97657
IR3840WMPbF
25
TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vcc=5V, Vo=1.8V, Io=0-12A, Room Temperature, No Air Flow
Fig. 20: Output Voltage Ripple, 12A
load Ch
2: Vout
Fig. 22: Short (Hiccup) Recovery
Ch
1:Vout , Ch3:Vss
Fig. 18: Start up at 12A Load,
Ch
1:Vin, Ch2:Vo, Ch3:Vss, Ch4:VPGood
Fig. 17: Start up at 12A Load
Ch
1:Vin, Ch2:Vo, Ch3:Vss, Ch4:Enable
Fig. 19: Start up with 1.62V Pre
Bias, 0A Load, Ch
2:Vo, Ch3:VSS
Fig. 21: Inductor node at 12A load
Ch
2:LX



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