High Frequency QR Flyback Converter with
Valley Lockout, Accuracy Output OCP and E-mode GaN
- Parameters
- Features
- Description
| Part number | SY23494HZP |
|---|
| Pout (max) (W) | 45 |
|---|
| HV startup | YES |
|---|
| Operation mode | QR |
|---|
| Integrated FETs type | GaN |
|---|
| Breakdown voltage (V) | 700 |
|---|
| Ron (typ) (mΩ) | 0.365 |
|---|
| 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 | SSOP9E |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Integrated 700V E-mode GaN FET
- DCM+QR Combined Operating Mode
- Switching Frequency Range: 25kHz–500kHz
- VCCH up to 140V Power Supply
- Automatic Valley Lockout from 1 to 6 Cycles
- Accuracy Output OCP Protection
- Adaptive OCP (LPS, Limited Power Source)
- Low Frequency Burst (1kHz)
- Frequency Modulation to Reduce EMI Noise (Configurable using ZCS Resistor)
- Internal Soft-Start
- Integrated 700V HV Startup
- Brown-In/Out Protections
- Programmable Output OVP and UVP
- Current Sense Resistor Short Protection
- Internal OTP
- Compact Package: SSOP9E
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY23494HZP is intended for evaluating High Frequency QR Flyback Coverter with Lock Ring
