产品概述 返回TOP 产品特点 返回TOP Wide 4.5V to 40V Input Voltage Range 3.3V,5V,12V, and adjustable versions Output Adjustable from 1.23V to 37V Maximum Duty Cycle 100% Minimum Drop Out 1.5V Fixed 150KHz Switching Frequency 3A Constant Output Current Capability Internal Optimize Power Transistor High efficiency Excellent line and load regulation TTL shutdown capability ON/OFF pin with hysteresis function Built in thermal shutdown function Built in current limit function Built in second current limit function Available in TO-252 package 应用范围 返回TOP LCD Monitor and LCD TV Digital Photo Frame Set-up Box ADSL Modem Telecom / Networking Equipment 技术规格书（产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！ 产品封装图 返回TOP 电路原理图 返回TOP DC-DC降压IC 型号 输入耐压 输出电压 输出电流 反馈电压 工作频率 静态工作电流 42V 可调输出/带CC/cv模式 恒流模式保护 3.5A 0.8V 125K 94% 3mA 42V 可调输出/带CC/cv模式 恒流模式保护 3A 0.8V 125K 94% 3mA 42V 可调输出/带CC/cv模式 恒流模式保护 2.5A 0.8V 125K 94% 3mA 40V 可调输出/带CC/cv模式 3A 0.8V 225K 92% 2.84mA 50V 5V固定输出 3.2A 150K 87% 4.7mA 50V 5V固定输出 2.4A 150K 89% 4.7mA 50V 5V固定输出 2.1A 150K 90% 4.7mA 50V 5V固定输出 1.8A 150K 90% 4.7mA 40V 可调输出/带CC/CV模式带线损补偿 3A 0.8V 125K 94% 4mA 40V 5V固定输出 3.5A 150K 93% 2mA 45V 可调输出/ 2A 1.23V 150K 93% 2mA 40V 可调输出/带CC/CV模式 2A 1.18V 110K 93% 10mA 42V 可调输出 3A 0.8V 50-500K 91% 3mA 40V 可调输出/带CC/cv模式 3A 1.25V 180K 89% 2.1mA 40V 可调输出/带CC/cv模式 3.5A 1.25V 180K 87% 2.1mA 45V 可调输出/带CC模式 3A 1.25V 150K 89% 2.0mA 45V 可调输出/带CC模式 2A 1.235V 150K 83% 2.0mA 4.75V-40V 可调输出 0.8A 0.8V 550K 90% 10uA 4.0-42V 可调输出 1.5A 0.8V 650K 91% 600uA 4.5-25V 可调输出 1.8A 0.8V 1.4M 92% 1.8mA 20V 可调输出 3.5A 1.2V 400K 89% 700uA 28V 可调输出 3A 1.22V 380K 89% 3mA 20V 可调输出 3A 0.8V 380K 88% 3mA 20V 可调输出 2A 0.8V 380K 89% 2mA 45V 5.0V/可调输出/3.3/12V 2A 1.23V 150K 82% 2mA 45V 5.0V/可调输出 3A 1.23V 380K 73% 2mA 27V 可调输出 2A 1.22V 420K 95% 1mA目录
The CXSD61003 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 minimize external component count.
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