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LT1170IQ from LINEAR

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LT1170IQ

Manufacturer: LINEAR

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

Partnumber Manufacturer Quantity Availability
LT1170IQ LINEAR 123 In Stock

Description and Introduction

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators The LT1170IQ 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 500mA (for LT1170)  
- **Switching Frequency:** 100kHz  
- **Efficiency:** Up to 80%  
- **Quiescent Current:** 6mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Lead TO-220 (IQ package)  

### **Descriptions:**
- The LT1170IQ is a monolithic, high-efficiency, step-down (buck), step-up (boost), or inverting switching regulator.  
- It features an internal 2.5A switch and requires minimal external components for operation.  
- Designed for battery-powered and industrial applications where efficiency and compact design are critical.  

### **Features:**
- **Wide Input Voltage Range (3V–60V)**  
- **Low Quiescent Current (6mA typical)**  
- **Internal Current Limiting and Thermal Shutdown**  
- **Adjustable Output Voltage**  
- **Can Operate in Buck, Boost, or Inverting Configurations**  
- **Minimal External Components Required**  
- **High Efficiency (Up to 80%)**  

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

Application Scenarios & Design Considerations

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators
Partnumber Manufacturer Quantity Availability
LT1170IQ LT 139 In Stock

Description and Introduction

100kHz/ 5A/ 2.5A and 1.25A High Efficiency Switching Regulators The LT1170IQ 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 5A (with external components)  
- **Switching Frequency:** 100kHz  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 6mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Lead TO-220 (IQ suffix indicates industrial temperature range)  

### **Descriptions:**
- The LT1170IQ is a monolithic buck/boost/inverting switching regulator designed for high-power applications.  
- It features an internal 5A switch, current limiting, and thermal shutdown protection.  
- The device can operate in step-down (buck), step-up (boost), or inverting configurations.  
- It includes an onboard reference and oscillator, reducing external component count.  

### **Features:**
- **Wide Input Voltage Range (3V to 60V)**  
- **High Output Current (Up to 5A)**  
- **Adjustable Output Voltage (1.25V to 50V)**  
- **Internal Current Limiting & Thermal Shutdown**  
- **Low Quiescent Current (6mA typical)**  
- **Monolithic Design with Onboard Oscillator & Reference**  
- **Available in TO-220 Package**  

This information is sourced from 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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