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LM27213SQ from NS,National Semiconductor

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LM27213SQ

Manufacturer: NS

Single Phase Hysteretic Buck Controller

Partnumber Manufacturer Quantity Availability
LM27213SQ NS 4075 In Stock

Description and Introduction

Single Phase Hysteretic Buck Controller The LM27213SQ is a high-efficiency, synchronous step-down DC-DC converter manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 20V  
- **Output Voltage Range:** Adjustable from 0.6V to 5V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin WSON (3mm x 3mm)  

### **Descriptions:**  
The LM27213SQ is a synchronous buck converter designed for high-performance power supply applications. It integrates high-side and low-side MOSFETs, reducing external component count. The device supports adjustable output voltage and provides high efficiency across a wide load range.  

### **Features:**  
- **Integrated MOSFETs** (High-side and low-side)  
- **Adjustable Output Voltage** (0.6V to 5V)  
- **High Efficiency** (Up to 95%)  
- **Wide Input Voltage Range** (4.5V to 20V)  
- **500kHz Switching Frequency**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Overcurrent Protection**  
- **Small 10-Pin WSON Package**  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Single Phase Hysteretic Buck Controller
Partnumber Manufacturer Quantity Availability
LM27213SQ NS,NS 500 In Stock

Description and Introduction

Single Phase Hysteretic Buck Controller The LM27213SQ is a high-efficiency, synchronous step-down DC-DC converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 20V  
- **Output Voltage Range:** 0.6V to 5.5V (adjustable via external resistors)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz to 1.5MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin LLP (Leadless Leadframe Package)  
- **Protection Features:** Overcurrent, Overtemperature, and Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The LM27213SQ integrates high-side and low-side MOSFETs, reducing external component count. It is designed for high-efficiency power conversion in applications such as point-of-load (POL) supplies, networking, and industrial systems.  

### **Features:**  
- **Integrated Power MOSFETs** (High-side and Low-side)  
- **Adjustable Output Voltage**  
- **Adjustable Switching Frequency**  
- **Synchronous Rectification** for improved efficiency  
- **Soft-Start Function** to limit inrush current  
- **Power Good Indicator**  
- **Thermal Shutdown Protection**  

This device is optimized for high-performance power management in compact designs.

Application Scenarios & Design Considerations

Single Phase Hysteretic Buck Controller

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