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LT1172IN8 from LINEAR

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LT1172IN8

Manufacturer: LINEAR

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators

Partnumber Manufacturer Quantity Availability
LT1172IN8 LINEAR 111 In Stock

Description and Introduction

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators The LT1172IN8 is a switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3V to 60V  
- **Output Voltage Range:** Adjustable from 1.25V to 50V  
- **Output Current:** Up to 1.25A (switch current limited)  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The LT1172IN8 is a monolithic, high-efficiency switching regulator designed for step-down (buck), step-up (boost), and inverting configurations.  
- It includes an onboard 1.25A switch, oscillator, and control circuitry, requiring minimal external components.  
- Suitable for battery-powered applications, industrial systems, and automotive electronics due to its wide input range.  

### **Features:**  
- **Low Quiescent Current:** 6mA (typical)  
- **Adjustable Output Voltage** via external resistors  
- **Current Limiting and Thermal Shutdown** for protection  
- **Soft-Start Capability** to reduce inrush current  
- **Can Operate in Step-Up, Step-Down, or Inverting Modes**  
- **Minimal External Components Required**  

This regulator is ideal for applications requiring efficient power conversion with a wide input range.

Application Scenarios & Design Considerations

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators
Partnumber Manufacturer Quantity Availability
LT1172IN8 LT 44 In Stock

Description and Introduction

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators The LT1172IN8 is a high-efficiency switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 3V to 60V  
- **Output Voltage Range:** Adjustable from 1.25V to 50V  
- **Output Current:** Up to 1.25A (with external components)  
- **Switching Frequency:** 100kHz  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 6mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
- The LT1172IN8 is a monolithic, step-down (buck), step-up (boost), and inverting switching regulator.  
- It is designed for high-efficiency power conversion in battery-powered and industrial applications.  
- The device includes an onboard 1.25A switch, oscillator, and control circuitry.  
- It supports both fixed and adjustable output voltage configurations.  

### **Features:**
- **Wide Input Voltage Range (3V to 60V)** – Suitable for automotive and industrial applications.  
- **High Efficiency** – Minimizes power loss in conversion.  
- **Low Quiescent Current** – Enhances battery life in portable applications.  
- **Adjustable Output Voltage** – Configurable via external resistors.  
- **Short-Circuit Protection** – Improves reliability under fault conditions.  
- **Thermal Shutdown** – Prevents overheating damage.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to official documentation.

Application Scenarios & Design Considerations

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators

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