IC Phoenix logo

Home ›  L  › L36 > LM3431MH

LM3431MH from NS,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM3431MH

Manufacturer: NS

3-Channel Constant Current LED Driver with Integrated Boost Controller

Partnumber Manufacturer Quantity Availability
LM3431MH NS 474 In Stock

Description and Introduction

3-Channel Constant Current LED Driver with Integrated Boost Controller The LM3431MH is a high-voltage LED driver controller manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Input Voltage Range:** 4.5V to 75V  
- **Switching Frequency:** Adjustable up to 2MHz  
- **Duty Cycle:** Up to 90%  
- **Output Current:** Adjustable (external MOSFET required)  
- **Dimming Control:** Analog and PWM dimming support  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (PowerPAD™)  

**Descriptions:**  
The LM3431MH is designed to drive high-brightness LEDs in applications such as automotive, industrial, and general lighting. It supports boost, buck, and buck-boost topologies and includes features for precise current regulation and thermal management.  

**Features:**  
- High-voltage operation (up to 75V)  
- Integrated gate driver for external N-channel MOSFET  
- Adjustable switching frequency  
- Analog and PWM dimming control  
- Thermal shutdown protection  
- Open- and short-circuit LED protection  
- Current sense amplifier for accurate regulation  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

3-Channel Constant Current LED Driver with Integrated Boost Controller

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips