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LTC1265IS from LINEAR

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LTC1265IS

Manufacturer: LINEAR

1.2A/ High Efficiency Step-Down DC/DC Converter

Partnumber Manufacturer Quantity Availability
LTC1265IS LINEAR 2500 In Stock

Description and Introduction

1.2A/ High Efficiency Step-Down DC/DC Converter The LTC1265IS is a high-performance synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 14V  
- **Output Voltage Range:** 1.23V to VIN (adjustable)  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 550kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**  
The LTC1265IS is a synchronous buck (step-down) DC/DC converter designed for high-efficiency power conversion. It integrates both the main and synchronous switches, reducing external component count and improving efficiency. The device operates at a fixed 550kHz switching frequency, allowing for compact designs with small inductors and capacitors.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Low Dropout Operation:** Allows the output to remain regulated even when the input voltage is close to the output.  
- **Shutdown Mode:** Reduces quiescent current to <10µA.  

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

Application Scenarios & Design Considerations

1.2A/ High Efficiency Step-Down DC/DC Converter
Partnumber Manufacturer Quantity Availability
LTC1265IS LT 35 In Stock

Description and Introduction

1.2A/ High Efficiency Step-Down DC/DC Converter The LTC1265IS is a high-efficiency, synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 14V  
- **Output Voltage Range:** Adjustable from 1.23V to VIN  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 275kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**  
The LTC1265IS is a synchronous buck regulator designed for high-efficiency power conversion. It integrates low-resistance power MOSFETs to minimize power loss and features a constant-frequency PWM architecture for stable operation.  

### **Features:**  
- Synchronous rectification for high efficiency  
- Low dropout operation  
- Adjustable output voltage  
- Overcurrent and thermal protection  
- Soft-start capability  
- Low quiescent current in shutdown mode  

This regulator is suitable for applications requiring high efficiency and compact power solutions, such as telecom, industrial, and computing systems.  

(Note: Always verify datasheets for the latest specifications.)

Application Scenarios & Design Considerations

1.2A/ High Efficiency Step-Down DC/DC Converter

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