CXSD62253 150 KHz fixed frequency PWM buck (step-down) DC/DC converter 2A load with high efficiency low ripple excellent line and load regulation

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1.产品概述       2.产品特点     EdM嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）EdM嘉泰姆

5.产品封装       6.电路原理图  EdM嘉泰姆

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   产品概述 返回TOPEdM嘉泰姆

The CXSD62253 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function is built inside. When second current limit function happens, the operation frequency will be reduced from 150KHz to 50KHz. An internal compensation block is built in to minimize external component count.

   产品特点 返回TOPEdM嘉泰姆

„ Wide 4.5V to 40V Input Voltage Range EdM嘉泰姆

„ 3.3V,5V,12V, and adjustable versions EdM嘉泰姆

„ Output Adjustable from 1.23V to 37V EdM嘉泰姆

„ Maximum Duty Cycle 100% EdM嘉泰姆

„ Minimum Drop Out 1.5V EdM嘉泰姆

„ Fixed 150KHz Switching Frequency EdM嘉泰姆

„ 2A Constant Output Current Capability EdM嘉泰姆

„ Internal Optimize Power Transistor EdM嘉泰姆

„ High efficiency EdM嘉泰姆

„ Excellent line and load regulation EdM嘉泰姆

„ TTL shutdown capability EdM嘉泰姆

„ ON/OFF pin with hysteresis function EdM嘉泰姆

„ Built in thermal shutdown function EdM嘉泰姆

„ Built in current limit function EdM嘉泰姆

„ Built in second current limit function EdM嘉泰姆

„ Available in SOP8L packageEdM嘉泰姆

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