产品概述 返回TOPWPV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TOPWPV嘉泰姆

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

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

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

„ Maximum Duty Cycle 100% WPV嘉泰姆

„ Minimum Drop Out 1.5V WPV嘉泰姆

„ Fixed 150KHz Switching Frequency WPV嘉泰姆

„ 2A Constant Output Current Capability WPV嘉泰姆

„ Internal Optimize Power Transistor WPV嘉泰姆

„ High efficiency WPV嘉泰姆

„ Excellent line and load regulation WPV嘉泰姆

„ TTL shutdown capability WPV嘉泰姆

„ ON/OFF pin with hysteresis function WPV嘉泰姆

„ Built in thermal shutdown function WPV嘉泰姆

„ Built in current limit function WPV嘉泰姆

„ Built in second current limit function WPV嘉泰姆

„ Available in SOP8L packageWPV嘉泰姆

   应用范围 返回TOPWPV嘉泰姆

„ LCD Monitor and LCD TV WPV嘉泰姆

„ Digital Photo Frame WPV嘉泰姆

„ Set-up Box WPV嘉泰姆

„ ADSL Modem WPV嘉泰姆

„ Telecom / Networking EquipmentWPV嘉泰姆

   技术规格书（产品PDF) 返回TOP WPV嘉泰姆

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WPV嘉泰姆