Isolated Synchronous Flyback Controller with Integrated Feedback and Digital Isolator
Features
- Wide VIN Range: 5V to 100V
- Integrated Feedback and Digital Isolator
- Internal Startup Regulator
- Integrated Driver for Synchronous Rectifier MOSFET
- ±1% Feedback Voltage Reference
- 8.2V Primary Driver with 1A / 2A Source / Sink Current Capability
- 9.0V Secondary Driver with 3A / 2A Source / Sink Current Capability
- 3000V-rms Isolation
- Frequency Adjustable From 100kHz to 700kHz
- Adjustable Soft-Start Time
- Optional Primary Side Bias for Optimized Efficiency
- Built-in Cycle-by-Cycle Current Limit, Input UVLO, Over Current Protection, Short-Circuit Protection, and Thermal Shutdown Protection
- SOIC-16 Wide Body (10.3mm x 7.5mm)
- -40°C to 125°C Operating Junction Temperature Range
Applications
- Battery Management System (BMS) in EVs
- Telecom and Communications Power Systems
- Industrial PLCs, Smart Meters
- Power-Over-Ethernet (PoE)
- Bias supply for isolated DC-DC converters
- Low power isolated power modules
Key Electrical Specifications
Vin(Min) |
Vin(Max) |
Max. Current per Channel |
Channels |
Control Type |
Package |
2.7V |
5.5V |
25mA |
3 |
PWM |
WLCSP-9 |
Typical Application Diagram