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CX8855

CHENGXINGWEI

DC-DC Buck Converter

SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC CX8855 DC-DC www.cxwic.com 18 V1.3 ...


CHENGXINGWEI

CX8855

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SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC CX8855 DC-DC www.cxwic.com 18 V1.3 SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC CX8855 32V, DC-DC CX8855 30mΩ High-side PMOS 20mΩ Low-side NMOS, 3.4A , 100% CX8855 , CX8855 ,, CX8855 ,, DC-DC ● 32V ● ● 30mΩ High-side PMOS ● 20mΩ Low-side NMOS ● 3.4A ● 100% ● (2.5V-24V) ● ±6% ● ±2% ● ● 135k Hz ● ● (SCP),(OTP),(OVP) ● SOP-8L ● ● ● CX8855 -40℃~140℃ SOP-8L 8 :(XXXXXX),。 CX8855 XXXXXX www.cxwic.com 28 V1.3 SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC SOP-8L CX8855 1 2 3 4 5, 6 7, 8 VFB CSN CSP VIN SW GND ,100UF/50V 1UF/50V, VIN :1. 0.3V<, CX8855 VBF , 5V 2.1A-2.4A, 47UH/ 5V 1.5A-1.0A, 68UH。 2.VFB R2 ,R3 GND。 www.cxwic.com 38 V1.3 SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC (at TA = 25°C) FB (10) -0.3 to 32 -0.3 to 32 -0.3 to 6 -0.3 to + 20 105 -40 to 150 -55 to 150 260 V V V V ℃/W ℃ ℃ ℃ www.cxwic.com 48 V1.3 SHENZHEN CHENGXINWEI TECHNOLOGY CO., LTD. CX8855/5V4A CC/CV DC-DC IC VFB CSP RFB2 *   VCSP 60K  1UA   MOS VIN VUVLO ICCQ ISB VFB OVP FSW Dmax V – VCSP CSN VFB = 1.5V, CX8855 IOUT=200mA 2.5V



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