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LT1578IS8 from LT

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LT1578IS8

Manufacturer: LT

1.5A/ 200kHz Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LT1578IS8 LT 71 In Stock

Description and Introduction

1.5A/ 200kHz Step-Down Switching Regulator The LT1578IS8 is a low dropout (LDO) linear regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage Range:** Adjustable from 1.22V to 20V  
- **Output Current:** Up to 3A  
- **Dropout Voltage:** 450mV (typical at 3A)  
- **Input Voltage Range:** 2.5V to 20V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 5mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Lead SOIC  

### **Descriptions:**
- The LT1578IS8 is a high-performance LDO regulator designed for applications requiring high current and low dropout voltage.  
- It features fast transient response and stable operation with low-ESR output capacitors.  
- The device includes thermal shutdown and current limit protection for enhanced reliability.  

### **Features:**
- **Low Dropout Voltage:** 450mV at 3A load  
- **Adjustable Output Voltage** via external resistors  
- **Thermal Shutdown Protection**  
- **Current Limit Protection**  
- **Stable with Low-ESR Capacitors** (as low as 10µF)  
- **Fast Transient Response**  
- **Low Quiescent Current** (5mA typical)  

This information is based on the manufacturer's datasheet for the LT1578IS8.

Application Scenarios & Design Considerations

1.5A/ 200kHz Step-Down Switching Regulator

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