SY23496XDQ (SY50296XDQ)

High Frequency QR Flyback Converter with Valley Lockout and E-mode GaN Integrated

SY23496XDQ High Frequency QR Flyback Converter with Valley Lockout and E-mode GaN Integrated Datasheet

Parameters
Features
Description

Part number	SY23496XDQ
Pout (max) (W)	100
HV startup	YES
Operation mode	QR
Integrated FETs type	GaN
Breakdown voltage (V)	700
Ron (typ) (mΩ)	0.165
No load loss (mW)	<50
Switching frequency (min)(kHz)	25
Switching frequency (max)(kHz)	500
Features	SSR CV,Valley lock,Auto-recovery OCP,Burst mode
Package	QFN5×7-18
Operating temperature range(°C)	-40 to 125
Functional safety category

DCM+QR Combined Operating Mode
Adaptive OCP (LPS, Limited Power Source)
Integrated GaN (650V 0.165Ohm_typ)
New Package for Excellent Heat Sink
Programmable Gate Driver Current
140V LDO in VCCH Pin
Switching Frequency Range: 25kHz~500kHz
Valley Lockout from 1 to 6^th
Low Frequency Burst (1kHz)
Frequency Modulation to Reduce EMI Noise
Internal Soft Start
Integrated 700V HV Start up
Brown In/Out Protection
X-cap Discharge Protection
Programmable Output OVP&UVP
Current Sense Resistor Short Protection
Internal & External OTP
Compact Package: QFN5×7-18

View More

Evaluation Board

Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board

EVB_SY23496XDQ

The EVB_SY23496XDQ is intended for evaluating High Frequency QR Flyback Controller

Technical Documentation

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12