DCDC Regulators
High-Frequency, High-Efficiency Buck Converter with Valley Current-Mode Control
A4403
The A4403 is a high-efficiency buck converter ideal for high-frequency, high step-down ratio applications. Valley current-mode control enables fast transient response and minimizes external component count.
Product Details
Product Details
Top Features
- Extremely fast load-transient response with minimal output voltage delta
- Achieves high step-down ratios with on-times <50 ns
- User-configurable on-time, achieving switching frequencies up to 2 MHz
- Minimal external components required
- Optimized for low value filter capacitors and inductors
- Wide input voltage range: 9 to 46 V
- Output Current: 3 A
- Low standby current <100 µA
- Supplied in thermally-enhanced QFN package
