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LT1129CST-3.3#TR from LT

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LT1129CST-3.3#TR

Manufacturer: LT

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1129CST-3.3#TR,LT1129CST33TR LT 72 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1129CST-3.3#TR is a low dropout (LDO) linear regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 700mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** Up to 20V  
- **Quiescent Current:** 800μA (typical)  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Package:** SOT-223  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:**  
  - Reverse battery protection  
  - Current limiting  
  - Thermal shutdown  

### **Descriptions and Features:**  
- The LT1129 is a high-performance LDO regulator optimized for battery-powered applications.  
- It provides stable output with low dropout voltage, making it suitable for systems with tight voltage margins.  
- The device includes reverse battery protection, preventing damage if the input polarity is reversed.  
- Low quiescent current improves efficiency in portable applications.  
- Thermal shutdown and current limiting protect the regulator under fault conditions.  
- The SOT-223 package offers a compact footprint for space-constrained designs.  

This regulator is commonly used in industrial, automotive, and consumer electronics where stable, low-noise power is required.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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