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LTC1144IN8

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown

Partnumber Manufacturer Quantity Availability
LTC1144IN8 21 In Stock

Description and Introduction

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown The LTC1144IN8 is a high-efficiency, synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 1.25V to 36V  
- **Switching Frequency:** Up to 300kHz  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-Pin PDIP (IN8)  
- **Efficiency:** Up to 95%  
- **Current Limit:** Adjustable  

### **Descriptions and Features:**  
- **Synchronous Operation:** Uses external N-channel MOSFETs for high efficiency.  
- **Low Quiescent Current:** Typically 1.5mA.  
- **Burst Mode Operation:** Reduces power dissipation at light loads.  
- **Soft-Start:** Prevents excessive inrush current during startup.  
- **Adjustable Current Limit:** Allows optimization for different applications.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and battery-powered systems.  
- **Thermal Shutdown:** Protects the device from overheating.  

The LTC1144IN8 is commonly used in DC-DC converter applications requiring high efficiency and compact design.

Partnumber Manufacturer Quantity Availability
LTC1144IN8 LT 47 In Stock

Description and Introduction

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown The LTC1144IN8 is a high-efficiency, synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
- **LT (Linear Technology)**  

### **Specifications:**  
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** Adjustable from 1.25V to 50V  
- **Output Current:** Up to 5A (with external components)  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (IN8)  

### **Descriptions:**  
- The LTC1144IN8 is a synchronous buck (step-down) DC/DC converter controller.  
- It uses a constant-frequency, current-mode architecture for stable operation.  
- Designed for high-efficiency power conversion in industrial, automotive, and telecom applications.  

### **Features:**  
- **Wide Input Voltage Range (4V to 60V)**  
- **Synchronous Rectification** for improved efficiency  
- **Adjustable Output Voltage** via external resistors  
- **Low Quiescent Current (1.5mA typical)**  
- **Short-Circuit Protection**  
- **Soft-Start Function** to limit inrush current  
- **Thermal Shutdown Protection**  

This information is based solely on the manufacturer's datasheet and product documentation.

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