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LP2953IM3.3 from NS,National Semiconductor

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LP2953IM3.3

Manufacturer: NS

Adjustable Micropower Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP2953IM3.3,LP2953IM33 NS 16 In Stock

Description and Introduction

Adjustable Micropower Low-Dropout Voltage Regulator The LP2953IM3.3 is a low-dropout voltage regulator manufactured by NS (National Semiconductor). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 250mA  
- **Dropout Voltage:** 380mV (typical at 250mA)  
- **Input Voltage Range:** Up to 30V  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.03% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223  

### **Descriptions:**
- The LP2953IM3.3 is a low-power LDO (Low Dropout) regulator designed for battery-powered applications.  
- It provides a stable 3.3V output with high accuracy and low dropout voltage.  
- Features built-in protection against reverse battery, overcurrent, and overtemperature conditions.  

### **Features:**
- **Low Quiescent Current:** Ideal for battery-operated devices.  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Thermal Shutdown Protection:** Prevents damage from excessive heat.  
- **Short-Circuit Protection:** Safeguards the regulator and load.  
- **Reverse Battery Protection:** Prevents damage if the input polarity is reversed.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

This regulator is commonly used in portable electronics, automotive systems, and industrial applications requiring stable power delivery.

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