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| IR3898M_15 Datasheet, PDF (37/46 Pages) International Rectifier – Single-Input Voltage, Synchronous Buck Regulator | |||
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6A Highly Integrated SupIRBuckTM
Single-Input V-o3lt7a-ge, Synchronous Buck Regulator
TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0-6A Room Temperature, No Air Flow
PD-97662
IR3898
Figure 32: Start up at 6A Load,
Ch1:Vin, Ch2:Vo, Ch3:PGood, Ch4:Enable
Figure 33: Start up at 6A Load,
Ch1:Vin, Ch2:Vo, Ch3:Vcc, Ch4:PGood
Figure 34: Start up with 1V pre bias
0A Load
Ch2:Vo
Figure 35: Output Voltage Ripple
6A Load
Ch2:Vo
Figure 36: Inductor node at 6A Load, Ch3:LX
37 JANURARY 18, 2013 | DATA SHEET | Rev 3.5
Figure 37: Short circuit Recovery
Ch2:Vout,Ch4:Iout(2A/Div)
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