PWM控制器线路和负载的1%输出精度CXSD62362用于CPU核心芯片组DRAM四个电阻可编程输出电压

发布时间:2020-05-21 12:49:08 浏览次数:340 作者:oumao18 来源:嘉泰姆
摘要:CXSD62362型PWM控制器采用恒导通控制方案,可以方便地处理宽的输入/输出电压比,在保持相对恒定的开关频率的同时,对负载瞬态提供100ns的“瞬时通”响应。CXSD62362A/CXSD62362通过消除传统电流模式PWMs中的电流感应电阻,以较低的成本实现了高效率。驱动超大同步整流mosfet的能力进一步提高了效率。单级降压转换允许这些设备直接降压高压电池,以获得尽可能高的效率。
PWM控制器线路和负载的1%输出精度CXSD62362用于CPU核心芯片组DRAM四个电阻可编程输出电压

目录

1.产品概述       2.产品特点     Yyi嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Yyi嘉泰姆

5.产品封装       6.电路原理图  Yyi嘉泰姆

7.相关产品Yyi嘉泰姆

   产品概述 返回TOPYyi嘉泰姆


     CXSD62362A/CXSD62362B PWM controller 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 CXSD62362A/CXSD62362 achieves high efficiency at a reduced cost by eliminating the current-sense resistor found in traditional current-mode PWMs. Efficiency is further enhanced by an ability to drive very large synchronous rectifier MOSFETs. Single-stage buck conversion allows these devices to directly step down high-voltage batteries for the highest possible efficiency. Alternatively, two-stage conversion (stepping down the +5V system supply instead of the battery) at a higher switching frequency allows the minimum possible physical size. The CXSD62362/CXSD62362 is intended for CPU core, chipset, DRAM, or other low-voltage supplies as low as 0.75V. It provides four resistor-programmable output voltages by G0 and G1 digital inputs. The CXSD62362/CXSD62362 is available in 16-pin TQFN (3X3) package.

   产品特点 返回TOPYyi嘉泰姆


„ Ultra-High Efficiency Yyi嘉泰姆

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

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

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

„ 0.75V to 3.6V Adjustable Output Range Yyi嘉泰姆

„ Dynamic Voltage Scaling by G0 and G1 Inputs Yyi嘉泰姆

„ 4.5V to 24V Battery Input Range Yyi嘉泰姆

„ OVP & UVP Yyi嘉泰姆

„ Built-in BST Diode Yyi嘉泰姆

„ 1.7ms Soft-Start Yyi嘉泰姆

„ Drives Large Synchronous-Rectifier FETs Yyi嘉泰姆

„ Power-Good Indicator Yyi嘉泰姆

„ G0/G1 High Active (CXSD62362A) G0/G1 Low Active (CXSD62362B)Yyi嘉泰姆

   应用范围 返回TOPYyi嘉泰姆


„ Notebook Computers Yyi嘉泰姆

„ CPU Core Supply Yyi嘉泰姆

„ Chipset/RAM Supply as Low as 0.75V Yyi嘉泰姆

„ 1.8V and 2.5V I/O Supply Yyi嘉泰姆

„ Networking Power SupplyYyi嘉泰姆

   技术规格书(产品PDF) 返回TOP Yyi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Yyi嘉泰姆

 QQ截图20160419174301.jpgYyi嘉泰姆

产品封装图 返回TOPYyi嘉泰姆


image.pngYyi嘉泰姆

电路原理图 返回TOPYyi嘉泰姆

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