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LTC1876EG from LINEAR

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LTC1876EG

Manufacturer: LINEAR

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator

Partnumber Manufacturer Quantity Availability
LTC1876EG LINEAR 198 In Stock

Description and Introduction

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator The LTC1876EG is a high-efficiency, dual monolithic synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Switching Frequency:** 550kHz (fixed)  
- **Maximum Duty Cycle:** 100%  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 28-Lead SSOP  

### **Descriptions:**  
- The LTC1876EG is designed for high-efficiency, dual-output step-down DC/DC conversion.  
- It drives all N-channel MOSFETs for synchronous rectification, improving efficiency.  
- Features a constant-frequency current-mode architecture for stable operation.  
- Includes adjustable soft-start and power-good indicators for each channel.  

### **Features:**  
- **Dual Output Controllers:** Independent control for two step-down regulators.  
- **Low Dropout Operation:** Allows 100% duty cycle for low input-output differentials.  
- **Current-Mode Control:** Ensures fast transient response and stable operation.  
- **Adjustable Soft-Start:** Prevents inrush current at startup.  
- **Power-Good Indicators:** Monitors output voltage status.  
- **Synchronous Rectification:** Enhances efficiency by reducing conduction losses.  
- **Wide Input Range:** Suitable for various power sources, including automotive and industrial applications.  

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

Application Scenarios & Design Considerations

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator
Partnumber Manufacturer Quantity Availability
LTC1876EG LT 538 In Stock

Description and Introduction

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator The LTC1876EG is a high-efficiency, monolithic synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Programmable from 50kHz to 500kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 20-Lead SSOP  

### **Descriptions and Features:**  
- **High Efficiency:** Uses synchronous rectification to minimize power loss.  
- **Wide Input Range:** Suitable for industrial, automotive, and telecom applications.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Current Mode Control:** Provides fast transient response and cycle-by-cycle current limiting.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Thermal Shutdown:** Protects the device from overheating.  

The LTC1876EG is designed for high-power applications requiring a robust and efficient step-down regulator solution.

Application Scenarios & Design Considerations

High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator

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