TPS5403 Overview
The TPS5403 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 4.5 V to 28 V. Current mode control with internal slope pensation is implemented to reduce ponent count.
TPS5403 Key Features
- Fixed 3.3-V Output
- 4.5-V to 28-V Wide Input Voltage Range
- Up to 1.7-A Maximum Continuous Output
- Pulse Skipping Mode to Achieve High Light
- Over 80% Efficiency at 10-mA Loading
- Adjustable 50-kHz to 1.1-MHz Switching
- Peak Current-Mode Control
- Cycle-by-Cycle Over Current Protection
- Frequency Spread Spectrum and Switching Node Anti-Ringing to Ease EMI Issue
- External Soft Start