PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

电源管理：DC/DC升压

QX2303系列产品是一种高效率、低纹波、工作频率高的PFM 升压DC-DC 变换器。 \r\n QX2303系列产品仅需要四个外围元器件，就可完成将低输入的电池电压变换升压到所需的工作电压，非常适合于便携式 1～4 节普通电池应用的场合。 电路采用了高性能、低功耗的参考电压电路结构，同时在生产中引入修正技术，保证了输出电压的高输出精度及低温度漂移。输出电压精度优于±2.5%，最高效率可达 89%。 \r\n QX2303系列产品总共有四种封装形式： SOT23、 SOT23-5、 SOT89-3 和 TO-92。其中，SOT23-5 封装内置了 EN使能端，可控制 ·最高工作频率：300KHz\r\n·输出电压：2.5V~5.0V（步进 0.1V）\r\n·低起动电压：0.8V(1mA)\r\n·输出精度：优于±2.5%\r\n·最高效率：89%\r\n·输出电流：大于 300mA (Vi=2.5V， Vo=3.3V)\r\n·低纹波，低噪声\r\n·只需四个外围元件;

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子

PFM Boost DC-DC Converter

Features Maximum operating frequency: 300KHz Output voltage: 2.0V~5.0V (step 0.1V) Low starting voltage: 0.8V(1mA) Output accuracy: better than ±2.5% Maximum efficiency: 87% Output current: greater than 300mA (Vi=2.5V, Vo=3.3V) Low ripple, low noise Application range Elec

文件：409.1 Kbytes 页数：17 Pages

QXMD

泉芯电子