深圳市振邦微科技有限公司為您提供3v升5v 1.2a大電流升壓芯片。3v升5v 1.2a大電流升壓芯片sx1308/sx1301升壓ic 2v至24v的輸入電壓,1.2mhz的固定開關(guān)頻率,4a內(nèi)部開關(guān)電流為1.2mhz ,可調(diào)輸出電壓電容器和電感器2mm或高度,內(nèi)部補(bǔ)償內(nèi)部軟啟動功能,28v的輸出電壓 自動脈沖頻率調(diào)制sx1308功能自動轉(zhuǎn)移到脈沖 在輕負(fù)載時(shí)頻率調(diào)制模式在輕負(fù)載模式。96%效率sx1308/sx1301包括欠壓鎖定,電流和過載保護(hù)功能。小封裝sot23-6,現(xiàn)大批量供貨。
應(yīng)用領(lǐng)域:
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@設(shè)置盒裝 機(jī)頂盒
@液晶白族供應(yīng)
@dsl和電纜調(diào)制解調(diào)器和路由器
@網(wǎng)絡(luò)卡從pci供電 或pci express插槽
inductance value is decided based on different condition. 3.3uh to 4.7μh inductor value is recommended for general application circuit. there are three important inductor specifications, dc resistance, saturation current&core loss. low dc resistance has better power efficiency. also, it avoid inductor saturation which will cause circuit system unstable&lower core loss at 1 mhz.
schottky diodes with fast recovery times&low forward voltages are recommended. ensure the diode average&peak current rating exceed the average output current&peak inductor current. in addition, the diodes reverse breakdown voltage must exceed the output voltage.
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