Step-Up DC-DC Converter
General Description
The kB2301 Series are PFM step-up DC-DC converters with very low ripple noise due to the high operation frequency. The maximum operation frequency is 400KHz.
Features
400KHz Maximum Operation Frequency
2.0V to 5.0V Output Voltage With 0.1V Step
Low Start-up Voltage: 0.8V at 1mA
2% Output Voltage Accuracy
Up to 88% Efficiency
Output current: 300mA at 2.5V input, 3.3V output
Low Ripple and Low Noise
Output Current Extendable by External Switch
Applications
Power source for applications where a higher voltage than the battery voltage is required
One to three cell battery devices
Power source for cameras, camcorders, VCRs, PDAs, pagers and hand held communication instrument