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SDH752XS
POWER FACTOR CORRECTION (CRITICAL CONDUCTION MODE) CONTROLLER

The SDH752XS is a high performance, critical conduction mode power factor correction (PFC) controller with 500V MOSFET.

SDH752XS adopts high voltage power supply, and omits auxiliary winding by adopting MOS gate zero crossing detection technology.

It uses patented COMP-saving capacitor technology to achieve excellent power factor correction and constant voltage output with only a few peripheral components, which greatly reduces the system cost.

It provides various protections, such as output over voltage protection, CS cycle-by-cycle current limit and over temperature protection etc.


Main feature

Single winding inductor booster system with reduced periphery

High voltage start-up and power supply

Built-in 500V high-voltage MOSFET

Gate Zero-crossing detection and critical conduction mode

Fixed on time control

Patented closed-loop control technology, without peripheral compensation network, anti-moisture and anti-leakage

VCC under-voltage lockout

Output overvoltage protection

CS cycle-by-cycle current limit

Over temperature protection


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SDH7522S SOP-8-225-1.27 SDH7522S Halogen free Tube
SDH7522STR SOP-8-225-1.27 SDH7522S Halogen free Tape & Reel
SDH7523S SOP-8-225-1.27 SDH7523S Halogen free Tube
SDH7523STR SOP-8-225-1.27 SDH7523S Halogen free Tape & Reel
SDH7524S SOP-8-225-1.27 SDH7524S Halogen free Tube
SDH7524STR SOP-8-225-1.27 SDH7524S Halogen free Tape & Reel
SDH7523CS SOP-8-225-1.27 7523CS Halogen free Tube
SDH7523CSTR SOP-8-225-1.27 7523CS Halogen free Tape & Reel
SDH7524BS SOP-8-225-1.27 7524BS Halogen free Tube
SDH7524BSTR SOP-8-225-1.27 7524BS Halogen free Tape & Reel
Block Diagram

SDH752XS 中英文同.png