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LM2591HVSX-3.3/NOPB from NS,National Semiconductor

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LM2591HVSX-3.3/NOPB

Manufacturer: NS

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator 5-DDPAK/TO-263 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2591HVSX-3.3/NOPB,LM2591HVSX33NOPB NS 1745 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator 5-DDPAK/TO-263 -40 to 125 **Manufacturer:** Texas Instruments (formerly National Semiconductor - NS)  

**Part Number:** LM2591HVSX-3.3/NOPB  

### **Specifications:**  
- **Output Voltage:** 3.3V (Fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  
- **Regulation Type:** Step-Down (Buck) Switching Regulator  
- **Protection Features:** Thermal Shutdown, Current Limiting  

### **Descriptions:**  
The LM2591HVSX-3.3/NOPB is a high-efficiency, step-down switching voltage regulator with a fixed 3.3V output. It is designed for applications requiring high input voltage and efficient power conversion. The device integrates a power switch, oscillator, and control circuitry, reducing external component count.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Fixed 3.3V Output with ±4% Accuracy**  
- **1.5A Output Current Capability**  
- **Low Power Standby Mode**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown & Current Limit Protection**  
- **Simple External Components Required**  
- **Available in TO-263 Package**  

This regulator is suitable for industrial, automotive, and power supply applications requiring robust performance.

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