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TOPgNy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TOPgNy嘉泰姆

40V Input Voltage Surge gNy嘉泰姆

32V Steady State Operation gNy嘉泰姆

2.5A output current gNy嘉泰姆

Output Voltage up to 12V gNy嘉泰姆

125kHz Switching Frequency Eases EMI Design gNy嘉泰姆

Sensor-less Constant Current Control gNy嘉泰姆

Resistor Programmable gNy嘉泰姆

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

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

±5.0% CC Accuracy gNy嘉泰姆

±2.5% Feedback Voltage Accuracy gNy嘉泰姆

Up to 95% Efficiency gNy嘉泰姆

Extra Features gNy嘉泰姆

− Integrated Soft Start gNy嘉泰姆

− Thermal Shutdown gNy嘉泰姆

− Cycle-by-Cycle Current Limit gNy嘉泰姆

− ISET Short Protection gNy嘉泰姆

SOP-8EP PackagegNy嘉泰姆

   应用范围 返回TOPgNy嘉泰姆

Car Charger/ Adaptor gNy嘉泰姆

Rechargeable Portable DevicesgNy嘉泰姆

General-Purpose CC/CV SupplygNy嘉泰姆

   技术规格书（产品PDF) 返回TOP gNy嘉泰姆

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