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LM2599SX3.3 from NSC,National Semiconductor

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LM2599SX3.3

Manufacturer: NSC

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2599SX3.3,LM2599SX33 NSC 173 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features The LM2599SX3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 90%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2599SX3.3 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed to drive a 3A load with excellent line and load regulation. The device is available in a fixed 3.3V output version and requires minimal external components, simplifying power supply design.  

### **Features:**  
- **3.3V Fixed Output Voltage**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **3A Output Current Capability**  
- **Internally Fixed Frequency (150 kHz)**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Thermal Shutdown and Current Limit Protection**  
- **Uses Readily Available Standard Inductors**  
- **Simple and Easy to Design**  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features

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