LM3402 - 用于高功率 LED 驱动器的 0.5A 恒流降压稳压器

LM3402是TI德州仪器公司的一款LED照明-照明产品，LM3402是用于高功率 LED 驱动器的 0.5A 恒流降压稳压器，本站介绍了LM3402的封装应用图解、特点和优点、功能等，并给出了与LM3402相关的TI元器件型号供参考。

LM3402 - 用于高功率 LED 驱动器的 0.5A 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 0.5-A N-channel MOSFET
VIN Range from 6 V to 42 V (LM3402)
VIN Range from 6 V to 75 V (LM3402HV)
500 mA Output Current Over Temperature
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
VSSOP, SO PowerPAD™ Packages

产品应用

LED Drivers
Constant Current Source
Automotive Lighting
General Illumination
Industrial Lighting

产品说明

The LM3402/HV 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 735 mA (typical) for step-down (Buck) regulators. Hysteretic control with controlled ON-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series - parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM3402/HV	VSSOP (8)	3.00 mm × 3.00 mm
LM3402/HV	HSOP (8)	4.89 mm × 3.90 mm

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