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LP2951H-MCP from NS,National Semiconductor

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LP2951H-MCP

Manufacturer: NS

Series of Adjustable Micropower Voltage Regulators

Partnumber Manufacturer Quantity Availability
LP2951H-MCP,LP2951HMCP NS 12 In Stock

Description and Introduction

Series of Adjustable Micropower Voltage Regulators The LP2951H-MCP is a low-dropout voltage regulator manufactured by Microchip Technology (formerly Micrel Semiconductor, acquired by Microchip).  

### **Specifications:**  
- **Input Voltage Range:** 2.3V to 30V  
- **Output Voltage Options:** Fixed (3.0V, 3.3V, 5.0V) or Adjustable (1.24V to 29V)  
- **Output Current:** 100mA (guaranteed)  
- **Dropout Voltage:** 380mV (typical at 100mA load)  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Lead SOT-23  

### **Descriptions and Features:**  
- Low-dropout (LDO) voltage regulator with low quiescent current.  
- Stable with low-ESR ceramic capacitors.  
- Built-in current limit and thermal shutdown protection.  
- Adjustable output version requires external resistors for setting voltage.  
- Low noise operation, suitable for battery-powered applications.  
- Reverse battery protection (withstands -20V input).  
- Error flag output for voltage monitoring (available in certain versions).  

The LP2951H-MCP is designed for applications requiring stable, low-power voltage regulation in harsh environments.

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