Home Products AC-DC Converters PFC & LLC PFC & LLC Combo Controller

SY23505BHXP (SY5055BHXP)

Production
PFC+LLC Controller
Datasheet
SY23505BHXP PFC+LLC Controller Datasheet
Part number SY23505BHXP
Pout (max) (W) 350
HV startup YES
Support DC input YES
Operation mode PFC: CrM/DCM/Burst, LLC: CCM/Burst
Driving FETs type MOS
No load loss (mW) <150
Switching frequency (min)(kHz) PFC: 30,LLC: 25
Switching frequency (max)(kHz) PFC: 300,LLC: 600
Features Half-bridge driver,Support DC/AC input
Package SOP14
Operating temperature range(°C) -40 to 125
Functional safety category
  • PF > 0.95, THD < 5%
  • Support DC/AC input
  • Boost Quasi-Resonant (QR) Operation
  • Boost Burst Operation at Light Load
  • LLC Fast Dynamic Response
  • LLC Integrated Half-Bridge Driver
  • Input Brown-In (BI) and Brown-Out (BO) Protection
  • Boost FBB, LLC Output Overvoltage Protection (OVP)
  • Cycle-by-Cycle Peak Current Protection
  • Overtemperature Protection
  • LLC Capacitive Mode Protection
  • SOP14 package

Evaluation Board

  • 2025-12-02_154440

    Photo of evaluation board

  • 2025-12-02_154506

    Photo of evaluation board

EVB_SY23505BHXP

The EVB_SY23505BHXP is intended for evaluating PFC+LLC Combo Controller

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12