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LM3404MAX from NSC,National Semiconductor

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LM3404MAX

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM3404MAX NSC 4300 In Stock

Description and Introduction

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs The LM3404MAX is a switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**  
The LM3404MAX is a step-down (buck) switching regulator designed for driving high-power LEDs efficiently. It integrates a high-side N-channel MOSFET and provides constant current output for LED applications. It supports PWM dimming and thermal shutdown protection.  

### **Features:**  
- **Wide Input Voltage Range (6V–42V)**  
- **Integrated 0.5A N-Channel MOSFET**  
- **Adjustable Switching Frequency (300kHz–1MHz)**  
- **PWM Dimming Capability**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Cycle-by-Cycle Current Limiting**  

This information is strictly based on the manufacturer's datasheet. No additional suggestions or guidance are provided.

Application Scenarios & Design Considerations

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs
Partnumber Manufacturer Quantity Availability
LM3404MAX NS 25000 In Stock

Description and Introduction

LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs The LM3404MAX is a switching regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 6V to 42V  
- **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 LM3404MAX is a step-down (buck) switching regulator designed for high-efficiency DC-DC conversion. It integrates a high-side N-channel MOSFET and provides a constant output voltage from a wide input range.  

### **Features:**  
- **Wide Input Voltage Range (6V to 42V)**  
- **Adjustable Output Voltage**  
- **Internal Compensation and Soft-Start**  
- **Thermal Shutdown Protection**  
- **Cycle-by-Cycle Current Limiting**  
- **Undervoltage Lockout (UVLO)**  
- **Low Quiescent Current in Shutdown Mode**  

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

Application Scenarios & Design Considerations

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

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