产品概述 返回TOPepb嘉泰姆

The CXSD62555 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3A 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TOPepb嘉泰姆

n Wide 4.5V to 40V Input Voltage Range epb嘉泰姆

n 3.3V,5V,12V, and adjustable versions epb嘉泰姆

n Output Adjustable from 1.23V to 37V epb嘉泰姆

n Maximum Duty Cycle 100% epb嘉泰姆

n Minimum Drop Out 1.5V epb嘉泰姆

n Fixed 150KHz Switching Frequency epb嘉泰姆

n 3A Constant Output Current Capability epb嘉泰姆

n Internal Optimize Power Transistor epb嘉泰姆

n High efficiency epb嘉泰姆

n Excellent line and load regulation epb嘉泰姆

n TTL shutdown capability epb嘉泰姆

n ON/OFF pin with hysteresis function epb嘉泰姆

n Built in thermal shutdown function epb嘉泰姆

n Built in current limit function epb嘉泰姆

n Built in second current limit function epb嘉泰姆

n Available in TO-220,TO-263 packagesepb嘉泰姆

   应用范围 返回TOPepb嘉泰姆

n LCD Monitor and LCD TV epb嘉泰姆

n Digital Photo Frame epb嘉泰姆

n Set-up Box epb嘉泰姆

n ADSL Modem epb嘉泰姆

n Telecom / Networking Equipmentepb嘉泰姆

   技术规格书（产品PDF) 返回TOP epb嘉泰姆

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