SD7528 is a high performance transition-mode power factor correction (PFC) controller.
SD7528 includes a highly linear multiplier, able to reduce AC input current distortion.
The output voltage is controlled by means of a voltage-mode error amplifier and a precise internal voltage reference.
The device features very low consumption with current maximum 15μA before start-up and less than 5.5mA during working.
SD7528 includes a disable function suitable for IC remote ON/OFF.
An effective two-step OVP enables to safely handle over-voltage either occurring at start-up or resulting from load disconnection.
High-performance linear multiplier
Zero current detector
Built-in restart timer
Integrate digital LEB
Precision adjustable overvoltage protection
Low start-up current (15μA)
Low quiescent operating current (3.0mA)
Available in DIP-8 or SOP-8 package.
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