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LM27212SQ from NS,National Semiconductor

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LM27212SQ

Manufacturer: NS

Two-Phase Current-Mode Hysteretic Buck Controller

Partnumber Manufacturer Quantity Availability
LM27212SQ NS 300 In Stock

Description and Introduction

Two-Phase Current-Mode Hysteretic Buck Controller The LM27212SQ is a switching regulator manufactured by National Semiconductor (NS). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 20V  
- **Output Voltage Range:** Adjustable from 0.6V to 18V  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 550kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM27212SQ is a synchronous step-down DC-DC converter designed for high-efficiency power conversion. It integrates high-side and low-side MOSFETs, reducing external component count. The device is optimized for applications requiring compact power solutions with fast transient response.  

### **Features:**  
- Integrated 70mΩ high-side and 50mΩ low-side MOSFETs  
- Adjustable output voltage via external resistors  
- Internal soft-start for controlled startup  
- Overcurrent and thermal shutdown protection  
- Power-good output for system monitoring  
- Low shutdown current (<1µA)  
- Stable with ceramic output capacitors  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Two-Phase Current-Mode Hysteretic Buck Controller

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