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LT1959IS8 from LT

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LT1959IS8

Manufacturer: LT

4.5A/ 500kHz Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LT1959IS8 LT 98 In Stock

Description and Introduction

4.5A/ 500kHz Step-Down Switching Regulator The LT1959IS8 is a high voltage, high current step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 30V  
- **Output Voltage Range:** Adjustable from 1.22V to 30V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 200kHz (fixed)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Lead SOIC (SO-8)  

### **Descriptions & Features:**  
- **High Voltage Operation:** Supports input voltages up to 30V.  
- **Adjustable Output:** Uses an external resistor divider to set output voltage.  
- **Current Mode Control:** Ensures fast transient response and stable operation.  
- **Low Dropout Operation:** Allows 100% duty cycle for low dropout conditions.  
- **Built-in Protection:** Includes thermal shutdown and current limiting.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Wide Temperature Range:** Suitable for industrial and automotive applications.  

The LT1959IS8 is commonly used in power supplies, battery chargers, and industrial systems requiring high efficiency and high voltage conversion.

Application Scenarios & Design Considerations

4.5A/ 500kHz Step-Down Switching Regulator

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