IR3552 datasheet(11/23 Pages) IRF

Part #	IR3552

Description	40A Integrated PowIRstage

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Manufacturer	IRF [International Rectifier]

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IR3552

40A Integrated PowIRstage

®

February 19, 2014 | FINAL

11

TYPICAL OPERATING CHARACTERISTICS

Circuit of Figure 3, VIN=12V, VOUT=1.2V, ƒSW

= 400kHz, L=150nH (0.29mΩ), PWM Mode, Vcc= 5V, VDRV=7V,

TAMBIENT = 25°C, no heat sink, no air flow, 8-layer PCB board of 3.7”(L) x 2.6”(W), no PWM controller loss, no

inductor loss, unless specified otherwise.

Figure 19: Switching Waveform in Standard PWM Mode, 0A

Figure 20: Switching Waveform in Standard PWM Mode, 40A

Figure 21: Switching Waveform in IR ATLPWM Mode, 0A

(Circuit of Figure 4)

Figure 22: PWM to Switching Delay in PWM Mode, 10A

Figure 23: Tristate Delay in PWM Mode, 10A

Figure 24: Tristate Delay in PWM Mode, 10A

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