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LM1085IS-3.3 from NS,National Semiconductor

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LM1085IS-3.3

Manufacturer: NS

3A Low Dropout Positive Regulators

Partnumber Manufacturer Quantity Availability
LM1085IS-3.3,LM1085IS33 NS 2000 In Stock

Description and Introduction

3A Low Dropout Positive Regulators The LM1085IS-3.3 is a low dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 3A  
- **Dropout Voltage:** 1.5V (typical at full load)  
- **Input Voltage Range:** Up to 29V  
- **Line Regulation:** 0.015% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
The LM1085IS-3.3 is a high-performance positive voltage regulator designed to provide a stable 3.3V output with a low dropout voltage. It is suitable for applications requiring high current and precise voltage regulation.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **High Current Capability:** Supports up to 3A output current.  
- **Thermal Overload Protection:** Safeguards the device from overheating.  
- **Short-Circuit Protection:** Prevents damage during fault conditions.  
- **Adjustable or Fixed Output Versions Available** (this model is fixed at 3.3V).  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum capacitors.  

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

Application Scenarios & Design Considerations

3A Low Dropout Positive Regulators

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