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QX2303 - PFM Step-Up DC-DC Converter

Description

The QX2303 Series are PFM step-up DC-DC converters with very low ripple noise due to the high operation frequency.

The maximum operation frequency is 260KHz.

Only three components are required to realize the conversion from the battery voltage to a selected output voltage.

Features

  • y 260KHz Maximum Operation Frequency y 2.0V to 5.0V Output Voltage With 0.1V Step y Low Start-up Voltage: 0.8V at 1mA y ±2.5% Output Voltage Accuracy y Up to 87% Efficiency y Output current: 300mA at 2.5V input, 3.3V output y Low Ripple a.

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Datasheet Details

Part number QX2303
Manufacturer SHIWEI
File Size 180.64 KB
Description PFM Step-Up DC-DC Converter
Datasheet download datasheet QX2303 Datasheet

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    QX2303 PFM Step-Up DC-DC Converter General Description The QX2303 Series are PFM step-up DC-DC converters with very low ripple noise due to the high operation frequency. The maximum operation frequency is 260KHz. Only three components are required to realize the conversion from the battery voltage to a selected output voltage. A driver pin (EXT) is provided for driving external power transistor to extend the output current capability where large current is required. Enable pin (EN) is also provided so that the circuit can be powered down. Ordering Information QX2303 X X X X Package Type: T: SOT-23-3 F: SOT-23-5 E: SOT-89 Output Voltage: 20: 2.0V 21: 2.1V … 49: 4.9V 50: 5.0V External switch E: use external switch L: use internal switch Features y 260KHz Maximum Operation Frequency y 2.
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