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QX2303

SHIWEI
Part Number QX2303
Manufacturer SHIWEI
Description PFM Step-Up DC-DC Converter
Published Jul 10, 2018
Detailed Description QX2303 PFM Step-Up DC-DC Converter General Description The QX2303 Series are PFM step-up DC-DC converters with very lo...
Datasheet PDF File QX2303 PDF File

QX2303
QX2303


Overview
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.
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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