350 mA PWM/PFM Step-Up DC-DC Converter - ON Semiconductor
Description
NCP1404 Series
Product Preview 350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
The NCP1404 series are monolithic PWM/PFM step–up DC to DC converters which can automatically change operation mode from PWM to PFM at light loads to improve efficiency at light loads.
With only four external components, this series allow a simple means to implement highly efficient converters for powering up portable equipment up to 350 mA loading.
Additionally, this series is featured with a Low Battery Detector to monitor battery voltage.
The NCP1404 device series are available in space–saving TSOP–6 package with five standard regulated output voltages.
Additional voltages that range from 1.
8 V to 5.
0 V in 100 mV steps can be manufactured.
Features
• Low Start–Up Voltage of 0.
8 V • PWM Oscillator Frequency of 600 kHz at 20% Accuracy • High Efficiency 85% at IOUT = 200 mA, VIN = 2.
5 V, VOUT = 3.
3 V • Output Current up to 350 mA at VIN = 2.
5 V, VOUT = 3.
3 V • Duty Ratio: ...
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