QR-Mode Flyback Converter with Integrated Protections

Features

l   Internal 650V GaN HEMT

l   Low Start-Up Current

l   Soft Driving to Reduce EMI

l   Multi-Mode Operation (QR/DCM/Burst) QR Operation @ Full/Medium Load   DCM Operation @ Light Load

Burst Mode at No Load

l   Switching frequency is up to 160KHz

l   8ms Soft-start

l   Over Current Protection (OCP)

l   Over Load Protection (OLP)

l   Short Circuit Protection (SCP)

l   Brown in/out on ZCD Pin

l   Over Voltage Protection on VCC Pin

l   Over Voltage Protection on ZCD Pin

l   On Chip OTP Protection

l   DFN8x8 Package

Description

GN9235Q  is  integrated  a   high  performance multi-mode  (QR/DCM/Burst)  PWM  converter and  a  650V  GaN  MOSFET.   It  could  turn standby mode to green mode for high switching efficiency.  It provides functions of low startup current,  over  current  protection,  over  voltage protection, short circuit protection, brown in/out protection,  and  internal  OTP  to  prevent  the circuit being damaged.

Application

l   PD+QC Charger

l   Switching Mode Power Supply

Typical Application Information