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LM2593HVS-3.3

SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with Features

Partnumber Manufacturer Quantity Availability
LM2593HVS-3.3,LM2593HVS33 35 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with Features The LM2593HVS-3.3 is a step-down (buck) switching regulator manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage:** Fixed 3.3V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
- The LM2593HVS-3.3 is a monolithic integrated circuit optimized for step-down voltage regulation.  
- It is designed for high-efficiency power conversion with minimal external components.  
- The fixed 3.3V output version eliminates the need for external feedback resistors.  
- Includes features like thermal shutdown and current limit protection.  

### **Features:**
- **Wide Input Voltage Range:** Supports 4.5V to 40V input.  
- **Fixed 3.3V Output:** No external feedback resistors required.  
- **High Efficiency:** Up to 90% efficiency, reducing heat dissipation.  
- **Internal Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents damage from excessive temperatures.  
- **Low Power Standby Mode:** Improves efficiency at light loads.  
- **Simple External Components:** Requires only an inductor, diode, and capacitors.  

This regulator is commonly used in industrial, automotive, and consumer electronics applications requiring stable 3.3V power from higher input voltages.

Partnumber Manufacturer Quantity Availability
LM2593HVS-3.3,LM2593HVS33 NS 585 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with Features The LM2593HVS-3.3 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 92%  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**
- The LM2593HVS-3.3 is a monolithic buck regulator designed for high input voltage applications.  
- It includes a fixed-frequency oscillator, high-efficiency switch, and a voltage reference.  
- The device is optimized for step-down voltage regulation with minimal external components.  
- It features thermal shutdown and current limit protection for robust operation.  

### **Features:**
- **Wide Input Voltage Range (4V to 40V)**  
- **3.3V Fixed Output Voltage**  
- **3A Output Current Capability**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown Protection**  
- **Current Limit Protection**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Simple and Easy-to-Use Design**  

This regulator is commonly used in industrial, automotive, and power supply applications requiring high input voltage and efficient step-down conversion.

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