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LM2594M-3.3 from NSC,National Semiconductor

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LM2594M-3.3

Manufacturer: NSC

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2594M-3.3,LM2594M33 NSC 25 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator The LM2594M-3.3 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  
- **Regulator Type:** Buck Converter  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions:**  
The LM2594M-3.3 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation in applications requiring efficient power conversion.  

### **Features:**  
- Fixed 3.3V output  
- Requires only 4 external components  
- Internal frequency compensation  
- Low standby current (50 µA typical)  
- Adjustable version available (LM2594)  
- TTL shutdown capability  
- Soft-start for reduced inrush current  

This regulator is commonly used in power supply designs for industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2594M-3.3,LM2594M33 NS 10700 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator The LM2594M-3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**
- The LM2594M-3.3 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.  
- It is designed for easy implementation and requires minimal external components.  
- The regulator includes a fixed-frequency oscillator, feedback control, and an internal switch.  

### **Features:**
- **Fixed 3.3V Output**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Power Standby Mode (IQ < 80µA)**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Output Capacitors**  
- **Available in TO-220 & SOIC Packages**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2594M-3.3,LM2594M33 NSC 19 In Stock

Description and Introduction

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator The LM2594M-3.3 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 0.5A  
- **Switching Frequency:** 150 kHz  
- **Efficiency:** Up to 80%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** SOIC-8  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LM2594M-3.3 is a monolithic integrated circuit that provides all the active functions for a step-down switching regulator. It is designed for easy implementation and requires minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- Low power consumption in standby mode  
- Internal frequency compensation  
- Adjustable soft-start  
- Wide input voltage range  
- Available in fixed and adjustable output versions  

This regulator is commonly used in power supply applications where efficient voltage step-down conversion is required.

Application Scenarios & Design Considerations

SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator

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