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| IR3897M_15 Datasheet, PDF (39/47 Pages) International Rectifier – Single‐Input Voltage, Synchronous Buck Regulator | |||
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4A Highly Integrated SupIRBuckTM
SingleâInput V-o3lt9a-ge, Synchronous Buck Regulator
TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0â4A, Room Temperature, No Air Flow
PDâ97663
IR3897
Figure 38: Turn on at No Load showing Vcc level,
Ch1:Vin, Ch2:Vo, Ch3:Vcc, Ch4:Inductor Current
Figure 39: Turn on at Full Load showing Vcc level,
Ch1:Vin, Ch2:Vo, Ch3:Vcc, Ch4:Inductor Current
40: Transient Response, 2A to 4A step @2.5A/uSec slew rate,
Ch2:Vout, Ch4âIout (1A/Div)
39 June 24, 2014 |DATA SHEET | Rev 3.6
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