D8553DF TO-255 SSR PWM IC 45W
The D8553DF integrated a current mode PWM controller and a high voltage power MOSFET, which
is applied to power less than 30W. D8553DF operates in the fixed frequency at heavy load and operates in
Green Mode at no load or light load.Slope compensation circuit is integrated in D8553DF, which improves
system large signal stability and reduces the possible sub-harmonic oscillation at high PWM duty cycle.
Leading-edge blanking on current sense input eliminates the signal glitch due to snubber circuit diode reverse
recovery current. Frequency Shuffling technique is integrated in D8553DF, which helps to achieve excellent EMI
performance. D8553DF offers complete protection functions with autorecovery including cycle-by-cycle current
limiting protection (OCP), over load protection (OLP), VDD over voltage protection(OVP), VDD over voltage clamp
and under voltage lockout (UVLO). Driven by internal totem pole can improve the EMI characteristics of the system
and the soft start control of the switch. D8553DF is offered in TO-255 Pb-free package
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