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LT1129IST-3.3 from LT

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LT1129IST-3.3

Manufacturer: LT

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1129IST-3.3,LT1129IST33 LT 408 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1129IST-3.3 is a low dropout (LDO) voltage 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:** 0.04% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (ST package)  

### **Features:**  
- Low dropout voltage  
- Low quiescent current  
- Stable with low-ESR capacitors (≥10µF)  
- Thermal shutdown and current limit protection  
- Reverse-battery protection  
- Short-circuit protected  

This regulator is designed for applications requiring stable, low-noise power with minimal voltage headroom.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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