NCP1423 Overview
NCP1423, SCV1423 Boost Converter - Sync-Rect, PFM, DC-DC, True-Cutoff, Ring-Killer 400 mA NCP1423 is a monolithic micropower high frequency step−up switching converter IC specially designed for battery operated hand−held electronic products. It integrates Synchronous Rectifier for improving efficiency as well as eliminating the external Schottky Diode. High switching frequency (up to 600 kHz) allows low profile...
NCP1423 Key Features
- High Efficiency: 92% for 3.3 V Output@ 400 mA from 2.5 V Input
- High Switching Frequency, up to 600 kHz (not hitting current limit)
- Low Quiescent Current of 9.0 mA
- Low Battery Detector
- 0.8 V Startup
- External Adjustable Output Voltage
- ±1.5% Output Voltage Accuracy
- Ring-Killer for Discontinuous Conduction Mode
- Thermal Shutdown
- 1.2 A Cycle-by-Cycle Current Limit