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LTC1771ES8#TR from LT

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LTC1771ES8#TR

Manufacturer: LT

10碌A Quiescent Current High Efficiency Step-Down DC/DC Controller

Partnumber Manufacturer Quantity Availability
LTC1771ES8#TR LT 2492 In Stock

Description and Introduction

10碌A Quiescent Current High Efficiency Step-Down DC/DC Controller The LTC1771ES8#TR is a high-efficiency 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 5V (adjustable)  
- **Switching Frequency:** Up to 550kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-Lead SOIC  
- **Topology:** Synchronous Buck (Step-Down)  
- **Control Method:** Current Mode PWM  

### **Descriptions:**  
The LTC1771ES8#TR is designed to drive external N-channel MOSFETs for high-efficiency DC/DC conversion. It features a constant-frequency current-mode architecture for stable operation and fast transient response.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4V to 36V operation.  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows 100% duty cycle for low dropout conditions.  
- **Current Mode Control:** Ensures excellent line and load regulation.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Synchronizable Switching Frequency:** Can be synchronized to an external clock.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This device is commonly used in power supplies for industrial, automotive, and telecom applications.

Application Scenarios & Design Considerations

10碌A Quiescent Current High Efficiency Step-Down DC/DC Controller

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