SY22815FAC (SY5019FAC)

Flyback controller For adapters or chargers

Part number	SY22815FAC
Pout (max) (W)	100
HV startup	YES
Operation mode	QR
Driving FETs type	MOS
No load loss (mW)	<50
Switching frequency (min)(kHz)	60
Switching frequency (max)(kHz)	125
Features	Valley switch,Burst mode
Package	SO8
Operating temperature range(°C)	-40 to 125
Functional safety category

Quasi-Resonant (QR) mode operation: Valley turn on of the primary MOSFET to achieve low switching losses
Output current is monitored by primary detection for reliable Over Current Protection and Short Circuit Protection
PWM/PFM control for higher average efficiency
Burst mode control for low no load loss and efficiency
HV start up circuit is used to reduce no-load
Internal high current MOSFET driver: 120mA
Auto-Recovery for OVP/OCP/SCP/OTP
Maximum frequency limitation 125kHz
Compact package: SO8

EVB_SY22815FAC

The EVB_SY22815FAC is intended for evaluating Flyback controller For adapters or chargers

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12