The FR8205S6CTR is a synchronous rectified step-down converter with a wide input voltage range, designed to deliver high efficiency and excellent transient response in a compact package. It integrates high-side and low-side MOSFETs to minimize conduction losses and maximize efficiency, making it ideal for battery-powered applications and point-of-load regulators.
Applications
- Portable power devices
- Power banks
- Battery chargers
- Point-of-load (POL) converters
- Distributed power systems
Features
- Wide input voltage range: 4.5V to 18V
- Adjustable output voltage
- High efficiency: Up to 95%
- Integrated high-side and low-side MOSFETs
- Fixed switching frequency
- Current-mode control with fast transient response
- Short-circuit protection (SCP)
- Over-temperature protection (OTP)
- Under-voltage lockout (UVLO)
Benefits
- High efficiency minimizes power losses and extends battery life in portable applications.
- Wide input voltage range provides flexibility to support various power sources.
- Integrated MOSFETs reduce component count and simplify PCB layout.
- Fast transient response ensures stable output voltage under dynamic load conditions.
- Robust protection features enhance system reliability and prevent damage during fault conditions.
Additional Details
The FR8205S6CTR employs a current-mode control architecture for stable operation and excellent line and load regulation. The integrated MOSFETs are optimized for low on-resistance, minimizing conduction losses and maximizing efficiency. The device also features short-circuit protection, over-temperature protection, and under-voltage lockout to protect the converter and the load. The switching frequency is fixed to simplify design and reduce EMI. The device is available in a small, thermally enhanced package. The precise value of the switching frequency and the specific on-resistance of the MOSFETs can be found in the datasheet.
