4.5V至5.5V可调输出40μA的低静态电流8A同步DC/DC降压变换器CXSD62369负载的1%输出精度6V至28V适配器或电池输入
发表时间:2020-05-22
浏览次数:1

目录

1.产品概述       2.产品特点     vDj嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)vDj嘉泰姆

5.产品封装       6.电路原理图  vDj嘉泰姆

7.相关产品vDj嘉泰姆

   产品概述 返回TOPvDj嘉泰姆


      CXSD62369 CXSD62370A CXSD62370B is a 8A, synchronous DC/DC buck converter with integrated 20mΩ N-channel high-side MOSFET and 17mΩ N-channel low-side MOSFET. It uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency. The CXSD62369 CXSD62370A CXSD62370B achieves high efficiency at a reduced cost by eliminating the current-sense resistor found in traditional current-mode PWMs. Single-stage buck conversion allows these devices to directly step down high-voltage batteries for the highest possible efficiency. The built-in 5V LDO supports 80mA for internal circuit with automatic bootstrapping to DC/DC converter output. The CXSD62369 CXSD62370A CXSD62370Bis intended for the 5V system power supply of Notebook Computer. The CXSD62369 CXSD62370A CXSD62370Bis available in QFN4X4-28 package.

   产品特点 返回TOPvDj嘉泰姆


„ Ultra-High Efficiency vDj嘉泰姆

„ Low Quiescent Current of 40μA vDj嘉泰姆

„ Integrated 17mΩ at VCC=5V N-Channel MOSFET for Low Side vDj嘉泰姆

„ Integrated 20mΩ at VCC=5V N-Channel MOSFET for High Side vDj嘉泰姆

„ No Current-Sense Resistor (Lossless ILIMIT) vDj嘉泰姆

„ Quasi-PWM with 100ns Load-Step Response vDj嘉泰姆

„ 1% VOUT Accuracy Over Line and Load vDj嘉泰姆

„ Programmable Switching Frequency vDj嘉泰姆

„ 4.5V to 5.5V Adjustable Output Range vDj嘉泰姆

„ 6V to 28V Adapter or Battery Input Range vDj嘉泰姆

„ Noiseless Pulse-skipping Mode (25kHz min) vDj嘉泰姆

„ VCLK Output vDj嘉泰姆

„ Integrated Boost Switch vDj嘉泰姆

„ OVP & UVP vDj嘉泰姆

„ Over Temperature Protection (non-latch) vDj嘉泰姆

„ 3.3ms Soft-Start vDj嘉泰姆

„ Power-Good Indicator vDj嘉泰姆

„ Fixed 5V, 80mA Bootstrapped Linear RegulatorvDj嘉泰姆

   应用范围 返回TOPvDj嘉泰姆


„ Notebook Computers vDj嘉泰姆

„ I/O Supply vDj嘉泰姆

„ Networking Power SupplyvDj嘉泰姆

   技术规格书(产品PDF) 返回TOP vDj嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持vDj嘉泰姆

 QQ截图20160419174301.jpgvDj嘉泰姆

产品封装图 返回TOPvDj嘉泰姆


image.pngvDj嘉泰姆

电路原理图 返回TOPvDj嘉泰姆

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QFN5X5-32vDj嘉泰姆

CXSD62364vDj嘉泰姆

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EN, PGOOD,   ILMIT set by RvDj嘉泰姆

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