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LP2951CDR2 from MOT,Motorola

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LP2951CDR2

Manufacturer: MOT

100mA, 3.3V or Adjustable, Low Power Low Dropout Voltage Regulator with Error Flag Output

Partnumber Manufacturer Quantity Availability
LP2951CDR2 MOT 5796 In Stock

Description and Introduction

100mA, 3.3V or Adjustable, Low Power Low Dropout Voltage Regulator with Error Flag Output The LP2951CDR2 is a low-dropout voltage regulator manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
- **MOT (Motorola)** – The LP2951 was originally developed by Motorola, but Texas Instruments now produces it after acquiring Motorola's semiconductor division.

### **Specifications:**  
- **Output Voltage Options:** Fixed (3.0V, 3.3V, 5.0V) or Adjustable (1.24V to 29V)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 380mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 30V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Standby Current:** 1µA (typical in shutdown mode)  
- **Line Regulation:** 0.03% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LP2951CDR2 is a precision voltage regulator with very low dropout voltage, making it suitable for battery-powered applications.  
- It includes features like thermal shutdown, current limit protection, and reverse battery protection.  
- The adjustable version allows for custom output voltages using external resistors.  

### **Features:**  
- **Low Dropout Voltage:** Ensures stable operation even when the input voltage is close to the output voltage.  
- **Low Quiescent Current:** Ideal for battery-operated devices.  
- **Error Flag Output:** Warns of low output voltage (undervoltage detection).  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects the regulator from short circuits.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum capacitors.  

This regulator is commonly used in automotive, industrial, and portable electronics due to its reliability and efficiency.

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