LM3404HV - 用于高功率 LED 驱动器的 1.0A 恒流降压稳压器

LM3404HV是TI德州仪器公司的一款LED照明-照明产品，LM3404HV是用于高功率 LED 驱动器的 1.0A 恒流降压稳压器，本站介绍了LM3404HV的封装应用图解、特点和优点、功能等，并给出了与LM3404HV相关的TI元器件型号供参考。

LM3404HV - 用于高功率 LED 驱动器的 1.0A 恒流降压稳压器 - LED照明-照明 - LED驱动器 - 德州仪器

产品特性

Integrated 1-A MOSFET
VIN Range 6 V to 42 V (LM3404)
VIN Range 6 V to 75 V (LM3404HV)
1.2-A Output Current Overtemperature
Cycle-by-Cycle Current Limit
No Control Loop Compensation Required
Separate PWM Dimming and Low Power Shutdown
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
Thermal Shutdown Protection
SOIC-8 Package, SO PowerPAD™-8 Package

产品应用

LED Drivers
Constant Current Sources
Automotive Lighting
General Illumination
Industrial Lighting

产品说明

The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external 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. Some features are: LED dimming using pulse width modulation (PWM), broken or open LED protection, low-power shutdown, and thermal shutdown.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM3404, LM3404HV	SOIC (8)	3.91 mm × 4.90 mm
LM3404, LM3404HV	SO PowerPAD (8)	3.90 mm × 4.89 mm

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