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LM2670T-12 from 国半

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LM2670T-12

Manufacturer: 国半

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

Partnumber Manufacturer Quantity Availability
LM2670T-12,LM2670T12 国半 630 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync The LM2670T-12 is a step-down switching voltage regulator manufactured by National Semiconductor (国半).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 260 kHz  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**  
The LM2670T-12 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed for high efficiency and simplicity, requiring minimal external components.  

### **Features:**  
- Simple and easy-to-use design  
- High efficiency (up to 92%)  
- Internal frequency compensation  
- Fixed-frequency oscillator (260 kHz)  
- Thermal shutdown and current limit protection  
- Low standby current (50 µA typical in shutdown mode)  
- Requires only 5 external components  

This regulator is suitable for various applications, including power supplies for industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
Partnumber Manufacturer Quantity Availability
LM2670T-12,LM2670T12 NS 65 In Stock

Description and Introduction

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync The LM2670T-12 is a step-down voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 8V to 40V  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220 (5-pin)  
- **Regulation Type:** Buck (Step-Down) Converter  

### **Descriptions:**
The LM2670T-12 is a monolithic integrated circuit designed for step-down (buck) voltage regulation. It provides a fixed 12V output and is capable of delivering up to 1A of load current. The device incorporates a high-efficiency switching regulator with minimal external components, making it suitable for various power supply applications.

### **Features:**
- **Simple and Easy to Use:** Requires only 5 external components.  
- **High Efficiency:** Up to 92% efficiency reduces heat dissipation.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Wide Input Voltage Range:** Operates from 8V to 40V.  
- **Fixed Frequency Operation:** 260 kHz switching frequency minimizes noise.  
- **Low Power Standby Mode:** Improves efficiency at light loads.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync

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