IC Phoenix logo

Home ›  L  › L82 > LTC1439EG

LTC1439EG from LINEAR

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LTC1439EG

Manufacturer: LINEAR

Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators

Partnumber Manufacturer Quantity Availability
LTC1439EG LINEAR 484 In Stock

Description and Introduction

Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators The LTC1439EG is a high-efficiency, synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable down to 1.22V  
- **Switching Frequency:** 550kHz (adjustable)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SSOP  

### **Descriptions:**
- The LTC1439EG is designed to drive N-channel MOSFETs in a synchronous buck converter topology.  
- It provides high efficiency by minimizing switching losses and optimizing gate drive timing.  
- The device includes features for soft-start, current limiting, and thermal shutdown.  

### **Features:**
- **Synchronous Operation:** Reduces power loss by replacing the Schottky diode with a MOSFET.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Burst Mode® Operation:** Enhances light-load efficiency.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Low Quiescent Current:** 1.5mA typical during operation.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and telecom applications.  

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

Application Scenarios & Design Considerations

Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators
Partnumber Manufacturer Quantity Availability
LTC1439EG LT 2000 In Stock

Description and Introduction

Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators The LTC1439EG is a high-efficiency, synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 1.23V to 5V (using external resistors)  
- **Switching Frequency:** 550kHz (fixed)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SSOP  

### **Descriptions:**
- The LTC1439EG is designed to drive external N-channel MOSFETs in a synchronous buck converter configuration.  
- It provides high efficiency by minimizing power losses through synchronous rectification.  
- The device includes features like soft-start, current limiting, and thermal shutdown for robust operation.  

### **Features:**
- **Synchronous Operation:** Reduces power loss and improves efficiency.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows 100% duty cycle for low input-output differentials.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Current Mode Control:** Ensures fast transient response and stable operation.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects the device from overheating.  

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

Application Scenarios & Design Considerations

Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips