125KHz 4.0A/40V CC/CV Step-Down DC/DC Converter CXSD62343 CXSD62344 is a wide input voltage, high efficiency step-down DC/DC converter which operates in either CV (Constant Voltage) mode or CC (Consta

   产品概述 返回TOPibo嘉泰姆

       CXSD62343 CXSD62344 is a wide input voltage, high efficiency step-down DC/DC converter which operates in either CV (Constant Voltage) mode or CC (Constant Current) mode. This device includes a reference voltage source, oscillation circuit, error amplifier, integrated high-side power mos, a pwm controller and a constant current controller. CXSD62343 CXSD62344 provides up to 4.0A output current at 125 KHz switching frequency. CC eliminates the expensive, high accuracy current sense resistor, making it ideal for battery charging applications and adaptors with accurate current limit. CXSD62343 CXSD62344achieves higher efficiency than traditional constant current switching regulators by eliminating its associated power loss. Standard protection features include cycle by cycle current limit, thermal shutdown, and frequency fold-back at short circuit. The devices are available in a SOP-8EP package and require few external devices for operation.

   产品特点 返回TOPibo嘉泰姆

40V Input Voltage Surge ibo嘉泰姆

32V Steady State Operation ibo嘉泰姆

4.0A output current ibo嘉泰姆

Output Voltage up to 12V ibo嘉泰姆

125kHz Switching Frequency Eases EMI Design ibo嘉泰姆

Sensor-less Constant Current Control ibo嘉泰姆

Resistor Programmable ibo嘉泰姆

− Current Limit from 1.0A to 4.0A ibo嘉泰姆

− Cable Compensation ibo嘉泰姆

±5.0% CC Accuracy ibo嘉泰姆

±2.5% Feedback Voltage Accuracy ibo嘉泰姆

Up to 95% Efficiency ibo嘉泰姆

Extra Features ibo嘉泰姆

− Integrated Soft Start ibo嘉泰姆

− Thermal Shutdown ibo嘉泰姆

− Cycle-by-Cycle Current Limit ibo嘉泰姆

− ISET Short Protection ibo嘉泰姆

SOP-8EP Packageibo嘉泰姆

   应用范围 返回TOPibo嘉泰姆

Car Charger/ Adaptor ibo嘉泰姆

Rechargeable Portable Devices ibo嘉泰姆

General-Purpose CC/CV Supplyibo嘉泰姆

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