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LM1085ISX-3.3

3A Low Dropout Positive Regulators

Partnumber Manufacturer Quantity Availability
LM1085ISX-3.3,LM1085ISX33 78 In Stock

Description and Introduction

3A Low Dropout Positive Regulators The LM1085ISX-3.3 is a low dropout voltage regulator manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 3A  
- **Dropout Voltage:** 1.5V (max) at 3A load  
- **Input Voltage Range:** 4.75V to 18V  
- **Line Regulation:** 0.015% (typ)  
- **Load Regulation:** 0.1% (typ)  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  
- **Protection Features:** Thermal shutdown, current limit  

### **Description:**  
The LM1085ISX-3.3 is a high-performance, low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output with up to 3A of current. It is suitable for applications requiring precise voltage regulation with minimal power dissipation.

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **High Accuracy:** Tight output voltage tolerance (±1%).  
- **Thermal Protection:** Built-in thermal shutdown prevents overheating.  
- **Current Limiting:** Protects the regulator and load from excessive current.  
- **Wide Input Voltage Range:** Supports operation from 4.75V to 18V.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

This regulator is commonly used in power management for industrial, automotive, and consumer electronics applications.

Application Scenarios & Design Considerations

3A Low Dropout Positive Regulators

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