The UCx846/7 family of control devices provides the necessary features to implement off-line or DC-to-DC fixed-frequency, current-mode control schemes with a minimal external parts count.
The UC1846/7 family of control devices provides all of the necessary features to implement fixed-frequency, current-mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop.
Features
- Automatic Feedforward Compensation
- Programmable Pulse-by-Pulse Current Limiting
- Automatic Symmetry Correction in Push-Pull Configuration
- Enhanced Load Response Characteristics
- Parallel Operation Capability for Modular Power Systems
- Differential Current Sense Amplifier with Wide Common-Mode Range
- Double-Pulse Suppression
- 500-mA (Peak) Totem-pole Outputs
- ±1% Band Gap Reference
- Undervoltage Lockout
- Soft-Start Capability
- Shutdown Terminal
- 500-kHz Operation
Resources