LM3406HV - 用于驱动高功率 LED 的 1.5A 恒流降压稳压器

LM3406HV是TI德州仪器公司的一款LED照明-照明产品，LM3406HV是用于驱动高功率 LED 的 1.5A 恒流降压稳压器，本站介绍了LM3406HV的封装应用图解、特点和优点、功能等，并给出了与LM3406HV相关的TI元器件型号供参考。

LM3406HV - 用于驱动高功率 LED 的 1.5A 恒流降压稳压器 - LED照明-照明 - LED驱动器 - 德州仪器

产品描述

The LM3406 family are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 2.0A (typical) for step-down (Buck) regulators. Controlled on-time with true average current and an external current sense resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. LED dimming via pulse width modulation (PWM) is achieved using a dedicated logic pin or by PWM of the power input voltage. The product feature set is rounded out with low-power shutdown and thermal shutdown protection.

产品特性

LM3406HV-Q1
- Automotive Grade Device
- AEC-Q100 Grade 1 Qualified
- Operating Ambient Temperature: 40°C to 125°C
Integrated 2.0A MOSFET
VIN Range 6V to 42V (LM3406)
VIN Range 6V to 75V (LM3406HV)
VIN Range 6V to 75V (LM3406HV-Q1)
True Average Output Current Control
1.7A Minimum Output Current Limit Over Temperature
Cycle-by-Cycle Current Limit
PWM Dimming with Dedicated Logic Input
PWM Dimming with Power Input Voltage
Simple Control Loop Compensation
Low Power Shutdown
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
Thermal Shutdown Protection
TSSOP-14 Package

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