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LT1121ACS8-5 from LINEAR

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LT1121ACS8-5

Manufacturer: LINEAR

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1121ACS8-5,LT1121ACS85 LINEAR 107 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1121ACS8-5 is a low dropout (LDO) voltage regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5V  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** 450mV (typical at full load)  
- **Input Voltage Range:** 6V to 30V  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **Quiescent Current:** 950µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Lead SOIC (SO-8)  

### **Descriptions:**
- The LT1121 is a micropower LDO regulator optimized for battery-powered applications.  
- It provides stable 5V output with low dropout voltage, making it suitable for systems with tight voltage margins.  
- Includes built-in protection features such as current limiting and thermal shutdown.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limit Protection:** Safeguards against output short circuits.  
- **Wide Input Voltage Range:** Supports operation from 6V to 30V.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

This regulator is commonly used in industrial, automotive, and portable electronics requiring stable 5V power with minimal power loss.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown
Partnumber Manufacturer Quantity Availability
LT1121ACS8-5,LT1121ACS85 LT 872 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1121ACS8-5 is a low dropout (LDO) voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** Up to 30V  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 950μA (typical)  
- **Package:** 8-Lead SOIC (SO-8)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Reverse battery protection, current limiting, thermal shutdown  

### **Descriptions and Features:**  
- The LT1121 is a micropower LDO regulator designed for battery-powered applications.  
- It provides stable 5V output with very low dropout voltage, making it efficient for low-input voltage conditions.  
- The device includes reverse battery protection, preventing damage if the input polarity is reversed.  
- It features low quiescent current, enhancing efficiency in power-sensitive applications.  
- Thermal shutdown and current limiting protect the regulator from overheating and short circuits.  
- The SO-8 package offers a compact footprint for space-constrained designs.  

This regulator is commonly used in portable electronics, automotive systems, and industrial applications requiring stable 5V power.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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