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LT1121IS8-3.3 from LINEAR

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LT1121IS8-3.3

Manufacturer: LINEAR

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1121IS8-3.3,LT1121IS833 LINEAR 141 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1121IS8-3.3 is a low dropout (LDO) voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** Up to 30V  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Output Current:** 150mA  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.04%/mA (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Package:** SO-8  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Reverse battery protection, thermal shutdown, and current limit  

### **Descriptions & Features:**  
- Designed for low dropout and low quiescent current applications.  
- Stable with low-ESR capacitors (≥1µF).  
- Includes reverse battery protection, making it suitable for automotive and battery-powered systems.  
- Thermal shutdown and current limiting provide protection against overload conditions.  
- Ideal for portable and industrial applications requiring a stable 3.3V supply.  

For detailed datasheet information, refer to the official documentation from Analog Devices (formerly Linear Technology).

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown
Partnumber Manufacturer Quantity Availability
LT1121IS8-3.3,LT1121IS833 LT 171 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1121IS8-3.3 is a low dropout (LDO) voltage regulator manufactured by Linear Technology (now part of Analog Devices). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 3.8V to 30V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Lead SOIC (SO-8)  

### **Descriptions:**
- The LT1121IS8-3.3 is a micropower LDO regulator designed for applications requiring stable voltage with low dropout.  
- It features low quiescent current and is optimized for battery-powered systems.  
- Includes built-in protection against reverse battery, overcurrent, and overtemperature conditions.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Wide Input Voltage Range:** Supports operation from 3.8V up to 30V.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum output capacitors.  
- **Protection Features:** Reverse battery protection, current limiting, and thermal shutdown.  
- **Low Noise:** Suitable for noise-sensitive applications.  

This regulator is commonly used in industrial, automotive, and portable electronics where stable voltage regulation is critical.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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