产品概述 返回TOP81Z嘉泰姆

           CXSD62599是一款全新的，结合电压模式控制和固定开启时间（COT）优点的高频同步降压转换器。其自适应的COT控制方式，可以在使得最快的负载瞬态响应的同时，确保振荡频率基本维持不变。同时CXSD62599实现了在极低的输出电压（极低占空比）下控制环路在高速响应负载变化的前提下保持稳定，并实现轻载PFM和重载PWM控制模式下的平稳过渡。CXSD62599可在1.2V输出下提供超过3.5A的电流，是为智能产品的主控供电的最佳选择。CXSD62599 belongs to a new breed of high frequency synchronous Step-Down converters that combines the advantages of voltage mode control and Constant-On-Time control. Its adaptive Constant-On-Time control dynamically changes switch on time to achieve a constant switching frequency. It does not have the minimum on-time constrain normally a fixed-frequency current mode Step-down requires, allowing it to go down to very low duty ratio without affecting loop stability. The voltage mode nature of CXSD62599 also provides more superior load transient response and a seamless transition from PFM to PWM modes. CXSD62599 is capable of supplying output with current up to 3A at 1.2V output.All these features make CXSD62599an excellent choice for ARM based CPU power supply. CXSD62599is in a SOT23-6 package.

   产品特点 返回TOP81Z嘉泰姆

 Adaptive COT control 81Z嘉泰姆

 Up to 95% Efficiency 81Z嘉泰姆

 Up to 91% Efficiency for low output voltage 81Z嘉泰姆

 Up to 3A Max Output current 81Z嘉泰姆

 Feedback voltage 0.45V 81Z嘉泰姆

 Excellent load transient response 81Z嘉泰姆

 SOT23-6 Package81Z嘉泰姆

   应用范围 返回TOP81Z嘉泰姆

 ARM based CPUs 81Z嘉泰姆

 Tablet, MID 81Z嘉泰姆

 Smart Phone 81Z嘉泰姆

 Smart Set-Top Box, OTT81Z嘉泰姆

   技术规格书（产品PDF) 返回TOP 81Z嘉泰姆

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