CXSD62555 Maximum Duty Cycle 100% 3A Constant Output Current Capability Wide 4.5V to 40V Input Voltage Range
发表时间:2020-04-13
浏览次数:10

目录

1.产品概述       2.产品特点     oTI嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)oTI嘉泰姆

5.产品封装       6.电路原理图  oTI嘉泰姆

7.相关产品oTI嘉泰姆

   产品概述 返回TOPoTI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TOPoTI嘉泰姆


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

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

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

n Maximum Duty Cycle 100% oTI嘉泰姆

n Minimum Drop Out 1.5V oTI嘉泰姆

n Fixed 150KHz Switching Frequency oTI嘉泰姆

n 3A Constant Output Current Capability oTI嘉泰姆

n Internal Optimize Power Transistor oTI嘉泰姆

n High efficiency oTI嘉泰姆

n Excellent line and load regulation oTI嘉泰姆

n TTL shutdown capability oTI嘉泰姆

n ON/OFF pin with hysteresis function oTI嘉泰姆

n Built in thermal shutdown function oTI嘉泰姆

n Built in current limit function oTI嘉泰姆

n Built in second current limit function oTI嘉泰姆

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

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n LCD Monitor and LCD TV oTI嘉泰姆

n Digital Photo Frame oTI嘉泰姆

n Set-up Box oTI嘉泰姆

n ADSL Modem oTI嘉泰姆

n Telecom / Networking EquipmentoTI嘉泰姆

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降压型直流电源变换器芯片(高效率型)
产品型号 输入电压 开关电流 开关频率 电压版本 封装类型
CXSD6253 3.6V   ~ 18V 2A 380KHz Adj   (1.222V) SOP8L
CXSD6254 3.6V   ~ 23V 3A 380KHz Adj   (1.222V) SOP8L
CXSD6255 3.6V   ~ 18V 2A 380KHz Adj   (0.8V) SOP8L
CXSD6256 3.6V   ~ 18V 3A 380KHz Adj   (0.8V) SOP8L
CXSD62253 4.5V ~ 40V 2A 150KHz Adj (1.23V)/3.3V/5V/12V SOP8L
CXSD62252 4.5V ~ 40V 3A 150KHz Adj (1.23V)/5V TO252-5L
CXSD62555 4.5V ~ 40V 3A 150KHz Adj (1.23V)/3.3V/5V/12V TO263-5L/TO220-5L
CXSD62556 4.5V ~ 40V 3A 52KHz Adj (1.23V)/5V/12V TO263-5L/TO220-5L