NCP3065中文资料降压/升压/逆变稳压器，开关，恒定电流，1.5 A，用于 HB-LED数据手册ONSEMI规格书

描述 Description

The NCP3065 is a monolithic Buck Boost Inverting Switching Regulator designed to deliver constant current for powering high brightness LEDs (HBLED). The device has a very low feedback voltage of 235 mV (nominal) which is used to regulate the average current of the LED string. In addition, the NCP3065 has a wide input voltage up to 40 V to allow it to operate from 12 Vac or 12 Vdc supplies commonly used for lighting applications as well as unregulated supplies such as Lead Acid batteries. The device can be configured in a controller topology with the addition of an external transistor to support higher LED currents beyond the 1.5 A rated switch current of the internal transistor. The NCP3065 switching regulator can be configured in Step-Down (Buck), Step-Up (boost) or SEPIC topologies with a minimum number of external components. Available with ENABLE feature under part number NCP3066.

特性 Features

• Integrated 1.5 A Switch
• Integrated switch provides for small footprint
• Input Voltage Range from 3 V to 40 V
• Flexibility to operate from 12Vac or 12Vdc supplies commonly used for lighting applications
• Low Feedback Voltage of 235 mV
• Allows the use of small / low cost sense resistor
• Cycle-by-Cycle Current Limit
• Enhanced protection features
• No Control Loop Compensation Required
• Easy design-in
• Frequency of Operation Adjustable up to 250 kHz
• Optimization of efficiency and size
• Operation With All Ceramic Output Capacitors or No Output Capacitance
• Reduce size and cost by eliminating output capacitor
• Analog and Digital PWM Dimming Capability
• Flexibiliy in application to select method of dimming
• Internal Thermal Shutdown with Hysteresis
• Enhanced protection features

应用 Application

• Constant Current Source
• High Power LED Driver
• High Brightness LED (HB-LED)
• Automotive and Marine Lighting (LED)
• Low Voltage LED Landscape Lighting
• MR-16 Replacement

简介

NCP3065属于开发板套件编程器的评估板-LED驱动器。由ONSEMI制造生产的NCP3065评估板 - LED 驱动器LED 驱动器评估板是带有元器件的电路板，用于提供特定电路或器件的工作实例。该系列评估板提供一个 LED 驱动器实例，用于可调节闪烁、模拟亮度、背光、双极开关、升压转换器、亮度控制、相机闪光灯、可调光、恒流和 RGB 控制，以及更多其他应用。