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LP5550SQ from NS,National Semiconductor

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13.672ms

LP5550SQ

Manufacturer: NS

PowerWise Technology Compliant Energy Management Unit

Partnumber Manufacturer Quantity Availability
LP5550SQ NS 1270 In Stock

Description and Introduction

PowerWise Technology Compliant Energy Management Unit The LP5550SQ is a power management IC manufactured by NS (National Semiconductor). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 10-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
- The LP5550SQ is a high-efficiency, step-down (buck) DC-DC converter.  
- It is designed for portable and battery-powered applications.  
- The device integrates a synchronous rectifier for improved efficiency.  
- It supports a wide input voltage range, making it suitable for various power sources.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **PWM/PFM Mode Switching:** Optimizes efficiency across load conditions.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Small Footprint:** 10-pin LLP package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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