NCP1526 Description
NCP1526 3 MHz, 400 mA, High−Efficiency, Step−Down Converter with Low Noise Voltage Regulator Optimized to Power Application Processor or RF Module The NCP1526 is a monolithic integrated circuit bining a step−down PWM DC−DC converter and a low noise, low dropout voltage regulator. The device is dedicated to power RF sensitive module in portable applications from one Li−ion or three Alkaline / NiCd / NiMH batteries...
NCP1526 Key Features
- Step-Down Converter
- Up to 94% Efficiency (85% at 1.2 V)
- Output Current Capability 400 mA
- 3.0 MHz Switching Frequency
- Fixed Output Voltage (1.2 V available now, other voltages
- Synchronous Rectification for Higher Efficiency
- LDO Regulator
- Fixed Output Voltage (2.8 V available now, other voltages available upon request) (see page 13)
- Up to 150 mA Output Current Capability
- Very Low Noise: 45 mVRMS