LM5009
Features
- Newer product: LM5163 100-V, 0.5-A synchronous buck DC/DC converter
- Integrated N-channel MOSFET
- 150-m A output current capability
- Ultra-fast transient response
- No loop pensation required
- VIN feedforward provides constant operating frequency
- Switching frequency can exceed 600 k Hz
- Highly efficient operation
- 2% accurate 2.5-V feedback from
- 40°C to +125°C
- Internal start-up regulator
- Intelligent current limit protection
- External shutdown control
- Thermal shutdown
- 8-pin VSSOP and thermally enhanced 8-pin
WSON packages
2 Applications
- Heat sink eliminator for classic linear regulator applications
- 12-V, 24-V, 36-V, and 48-V rectified AC systems
- Non-isolated AC mains charge-coupled supplies
- LED current source
3 Description
The LM5009 step-down switching regulator features all of the functions needed to implement a low-cost and efficient, buck regulator. This device is capable of driving a 150-m A load current from a 9.5-V to 95V input source. The...
