Semtech TS4305BM
Synchronous FET Controller
TS4305BM is a synchronous rectifier controller for AC-DC power supply’s secondary side rectification.
TS4305BM is a synchronous rectifier controller for AC-DC power supply's secondary side rectification.
Overview
Features
- Current-sense control for low or high-side synchronous rectifiers
- Rectifier turn on/off thresholds set with external resistors
- Minimum ON and OFF time to minimize GATE turnon oscillation
- Wide supply range 8V to 24V
- Gate drive internally limited to 10V
- 2A sink, 1A source gate drive
- 4mm x 5mm SOIC-8 package
- Product is lead-free, Halogen Free, RoHS / WEEE compliant
- Military temperature range
Applications
- LLC converters
- Flyback converters
Packaging
- TS4305BMSTRT | 10V Gate Drive, 8ms lockout period SOIC-8 | Tape & Reel (2,500 parts/reel)
Diagrams and Specs
Key Specifications
- Drives low or high side N-channel MOSFET
- Sync-FET control based on current sensing in low or high-side sense resistor
- -55°C to +125°C TJ operation
- Operation to 24V
- 2A/1A sink/source gate drive
- 10V gate drive capability
- 100ns propagation delay between current sense to GATE drive
- 180μA (typical) quiescent current in low power mode
- Under voltage lock out protection
- Over temperature shut down (TSD) protection