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LM3404HVMA from NS,National Semiconductor

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LM3404HVMA

Manufacturer: NS

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs

Partnumber Manufacturer Quantity Availability
LM3404HVMA NS 6346 In Stock

Description and Introduction

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs The LM3404HVMA is a high-voltage step-down switching regulator manufactured by Texas Instruments (NS).  

**Specifications:**  
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** Adjustable down to 1.25V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

**Descriptions:**  
The LM3404HVMA is a constant on-time (COT) buck regulator designed for high-voltage applications. It provides a simple and efficient solution for step-down DC-DC conversion with a wide input voltage range.  

**Features:**  
- Wide input voltage range (6V to 42V)  
- Adjustable output voltage  
- Constant on-time control for fast transient response  
- Integrated N-channel MOSFET  
- Thermal shutdown and current limit protection  
- Adjustable switching frequency  
- Low shutdown current (<1µA)  

This regulator is suitable for industrial, automotive, and general-purpose power supply applications.

Application Scenarios & Design Considerations

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs

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