High Frequency QR Flyback Controller
with Valley Lockout, E-Mode GaN Driver and Input OVP
- Parameters
- Features
- Description
| Part number | SY22812CFVP |
|---|
| Pout (max) (W) | 140 |
|---|
| HV startup | YES |
|---|
| Operation mode | QR |
|---|
| Driving FETs type | GaN |
|---|
| No load loss (mW) | <50 |
|---|
| Switching frequency (min)(kHz) | 25 |
|---|
| Switching frequency (max)(kHz) | 300 |
|---|
| Features | Programmable gate driver current,Valley lock,Burst mode,X-capacitor discharge |
|---|
| Package | SSOP9 |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- DCM+QR Combined Operating Mode
- Direct Enhancement-Mode (E-Mode) GaN FET Driver
- Programmable Gate Driver Current
- 140V Internal LDO on VCCH input pin
- Switching Frequency Range: 25kHz–300kHz
- Automatic Valley Lockout from 1 to 6 cycles
- Low Frequency Burst (1kHz)
- Frequency Modulation to Reduce EMI Noise (Configurable using ZCS Resistor)
- Internal Soft-Start
- Integrated 700V HV Startup Circuit
- Brown-In/Out Protections
- X Capacitor Discharge Protection
- AC Input OVP
- Programmable Output OVP and UVP
- Current Sense Resistor Short Protection
- Internal and External OTP
- Compact Package: SSOP9
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22812CFVP is intended for evaluating High Frequency QR Flyback Controller with Input OVP
