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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.

Application Scenarios & Design Considerations

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

Application Scenarios & Design Considerations

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

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