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LM2619ATLX from NS,National Semiconductor

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LM2619ATLX

Manufacturer: NS

500mA Sub-Miniature Step-Down DC-DC Converter

Partnumber Manufacturer Quantity Availability
LM2619ATLX NS 78000 In Stock

Description and Introduction

500mA Sub-Miniature Step-Down DC-DC Converter The LM2619ATLX is a switching regulator manufactured by Texas Instruments (NS). Below are the factual details about this part:

### **Specifications:**
- **Manufacturer:** Texas Instruments (NS)  
- **Type:** Switching Regulator (DC-DC Converter)  
- **Topology:** Buck (Step-Down)  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage Range:** Adjustable (1.23V to 29V)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 100kHz (Fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK-5)  

### **Descriptions:**
The LM2619ATLX is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated output voltage from a higher input voltage. It integrates a power switch and control circuitry to provide a compact and efficient power solution. The device supports adjustable output voltage via external resistor divider and includes features like thermal shutdown and current limiting for protection.

### **Features:**
- Wide input voltage range (4V to 30V)  
- Adjustable output voltage (1.23V to 29V)  
- 1.5A output current capability  
- Fixed 100kHz switching frequency  
- Internal N-channel MOSFET switch  
- Thermal shutdown protection  
- Current limiting protection  
- Low shutdown current (<1µA)  
- Available in a thermally enhanced TO-263 package  

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

Application Scenarios & Design Considerations

500mA Sub-Miniature Step-Down DC-DC Converter

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