IC Phoenix logo

Home ›  L  › L78 > LT3800EFE

LT3800EFE from LT

Fast Delivery, Competitive Price @IC-phoenix

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

LT3800EFE

Manufacturer: LT

High-Voltage Synchronous Current Mode Step-Down Controller

Partnumber Manufacturer Quantity Availability
LT3800EFE LT 248 In Stock

Description and Introduction

High-Voltage Synchronous Current Mode Step-Down Controller The LT3800EFE is a 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 60V  
- **Output Voltage Range:** Adjustable (depends on external components)  
- **Switching Frequency:** Adjustable (100kHz to 500kHz)  
- **Maximum Duty Cycle:** 96%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-Lead TSSOP  

### **Descriptions:**  
- The LT3800EFE is a high-voltage, current-mode switching regulator controller designed for step-down (buck) applications.  
- It supports synchronous rectification for improved efficiency.  
- The device includes features for precision control and protection.  

### **Features:**  
- **Wide Input Voltage Range:** 4V to 60V  
- **Adjustable Frequency:** 100kHz to 500kHz  
- **Current-Mode Control:** Ensures stable operation  
- **Synchronous Rectification:** Improves efficiency  
- **Programmable Soft-Start:** Reduces inrush current  
- **Overcurrent Protection:** Prevents damage from excessive load  
- **Thermal Shutdown:** Protects against overheating  
- **Low Shutdown Current:** <1µA  

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

Application Scenarios & Design Considerations

High-Voltage Synchronous Current Mode Step-Down Controller
Partnumber Manufacturer Quantity Availability
LT3800EFE LINEAR 32 In Stock

Description and Introduction

High-Voltage Synchronous Current Mode Step-Down Controller The LT3800EFE is a switching regulator controller manufactured by **Linear Technology** (now part of Analog Devices). Below are the key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** Adjustable (via external components)  
- **Switching Frequency:** Up to 500kHz (adjustable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  

### **Descriptions:**  
- The LT3800EFE is a **current-mode PWM controller** designed for high-voltage DC/DC converter applications.  
- It supports **boost, flyback, SEPIC, and forward converter topologies**.  
- The device includes an onboard **high-voltage startup regulator**, eliminating the need for an external bias supply.  
- It provides **cycle-by-cycle current limiting** and **soft-start functionality**.  

### **Features:**  
- **Wide Input Voltage Range (4V to 60V)**  
- **Adjustable Switching Frequency (up to 500kHz)**  
- **Integrated High-Voltage Startup Regulator**  
- **Programmable Soft-Start**  
- **Precision 1.23V Reference Voltage**  
- **Low Shutdown Current (<1µA)**  
- **Current-Mode Control for Improved Loop Response**  
- **Thermal Shutdown Protection**  

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

Application Scenarios & Design Considerations

High-Voltage Synchronous Current Mode Step-Down Controller

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