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LT1121CZ-5 from LT

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LT1121CZ-5

Manufacturer: LT

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1121CZ-5,LT1121CZ5 LT 5900 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1121CZ-5 is a low dropout regulator (LDO) manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 5V (fixed)  
- **Dropout Voltage:** 0.4V (typical) at 750mA load  
- **Output Current:** 750mA (maximum)  
- **Input Voltage Range:** Up to 30V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package:** TO-220 (5-lead)  

### **Descriptions & Features:**  
- **Low Dropout:** Ensures stable output even with small input-output differentials.  
- **High Accuracy:** Tight output voltage tolerance (±2%).  
- **Thermal Overload Protection:** Shuts down if temperature exceeds safe limits.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **Adjustable Output (Other Variants):** Some LT1121 models allow adjustable output via external resistors.  
- **Wide Input Voltage Range:** Suitable for various power supply applications.  
- **Stable with Low-ESR Capacitors:** Works efficiently with minimal external components.  

This regulator is commonly used in industrial, automotive, and battery-powered systems requiring stable 5V power.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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