125KHz 2.5A/40V CC/CV Step-Down DC/DC Converter CXSD62345 CXSD62346 provides up to 2.5A output current at 125kHz switching frequency. CC eliminates the expensive, high accuracy current sense resistor,

   产品概述 返回TOPpbF嘉泰姆

      CXSD62345 CXSD62346 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. CXSD62345 CXSD62346 provides up to 2.5A output current at 125kHz switching frequency. CC eliminates the expensive, high accuracy current sense resistor, making it ideal for battery charging applications and adaptors with accurate current limit. CCXSD62345 CXSD62346achieves 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TOPpbF嘉泰姆

40V Input Voltage Surge pbF嘉泰姆

32V Steady State Operation pbF嘉泰姆

2.5A output current pbF嘉泰姆

Output Voltage up to 12V pbF嘉泰姆

125kHz Switching Frequency Eases EMI Design pbF嘉泰姆

Sensor-less Constant Current Control pbF嘉泰姆

Resistor Programmable pbF嘉泰姆

− Current Limit from 1.0A to 3A pbF嘉泰姆

− Cable Compensation from 0Ω to 0.3Ω pbF嘉泰姆

±5.0% CC Accuracy pbF嘉泰姆

±2.5% Feedback Voltage Accuracy pbF嘉泰姆

Up to 95% Efficiency pbF嘉泰姆

Extra Features pbF嘉泰姆

− Integrated Soft Start pbF嘉泰姆

− Thermal Shutdown pbF嘉泰姆

− Cycle-by-Cycle Current Limit pbF嘉泰姆

− ISET Short Protection pbF嘉泰姆

SOP-8EP PackagepbF嘉泰姆

   应用范围 返回TOPpbF嘉泰姆

Car Charger/ Adaptor pbF嘉泰姆

Rechargeable Portable DevicespbF嘉泰姆

General-Purpose CC/CV SupplypbF嘉泰姆

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