CCM and QR SSR Flyback Controller
for Adapters and Fast Chargers
![]()
- Parameters
- Features
- Description
| Part number | SY23510AABT |
|---|
| Pout (max) (W) | 100 |
|---|
| HV startup | NO |
|---|
| Operation mode | CCM/QR |
|---|
| Driving FETs type | MOS |
|---|
| No load loss (mW) | <75 |
|---|
| Switching frequency (min)(kHz) | 25.5 |
|---|
| Switching frequency (max)(kHz) | 85 |
|---|
| Features | Wide VCC range,Pseudo fixed frequency,SR/Diode SCP |
|---|
| Package | SOT23-6 |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Wide VCC Operating Range: 9V to 54V
- Low Startup Current: < 5μA
- Mixed CCM+QR Control Architecture
- Forced QR Operating under High Line Voltage Conditions
- Quasi-Fixed Frequency Control to Eliminate Slope Compensation in CCM
- 85kHz Switching Frequency Limit under CCM
- 85kHz Switching Frequency Limit under QR Mode
- Minimum Switching Frequency Limited to 25.5kHz
- Frequency Foldback for High Average Efficiency
- Burst Control for High Light Load Efficiency
- Comprehensive Protections Including VCC OVP, Output OVP/UVP, OLP, OTP, and BO
- Secondary SR MOSFET Short-Circuit Protection
- Internal Soft-Start Process
- Gate Drive Capability: +120mA/-520mA
- Compact Package: SOT23-6
Evaluation Board
Photo of evaluation board
Photo of evaluation board
The EVB_SY23510AABT is intended for evaluating CCM and QR SSR Flyback Controller for Adapters and Fast Chargers
