High Frequency QR Flyback Converter
with Valley Lockout and E-mode GaN Integrated
- Parameters
- Features
- Description
| Part number | SY23498XDQ |
|---|
| Pout (max) (W) | 140 |
|---|
| HV startup | YES |
|---|
| Operation mode | QR |
|---|
| Integrated FETs type | GaN |
|---|
| Breakdown voltage (V) | 700 |
|---|
| Ron (typ) (mΩ) | 0.104 |
|---|
| 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 (700V 0.104Ohm_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 6th
- 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: QFN 5×7-18
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY23498XDQ is intended for evaluating High Frequency QR Flyback Controller
