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LT3957EUHE#PBF from LINEAR

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LT3957EUHE#PBF

Manufacturer: LINEAR

Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch

Partnumber Manufacturer Quantity Availability
LT3957EUHE#PBF,LT3957EUHEPBF LINEAR 238 In Stock

Description and Introduction

Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch The LT3957EUHE#PBF is a switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 80V  
- **Output Voltage Range:** Adjustable  
- **Output Current:** Up to 2A (switch current limit)  
- **Switching Frequency:** 100kHz to 1MHz (adjustable)  
- **Topology:** Buck, Boost, Buck-Boost, SEPIC, Flyback  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 28-Lead TSSOP with Exposed Pad  

### **Descriptions:**  
The LT3957EUHE#PBF is a high-voltage, current-mode DC/DC converter with an integrated 80V power switch. It is designed for a wide range of applications, including LED drivers, industrial power supplies, and automotive systems. The device features a versatile topology support, allowing it to be configured in buck, boost, buck-boost, SEPIC, or flyback configurations.  

### **Features:**  
- Wide input voltage range (4.5V to 80V)  
- Adjustable switching frequency (100kHz to 1MHz)  
- Integrated 80V, 2A power switch  
- Programmable soft-start  
- Current-mode control for improved transient response  
- Synchronizable to an external clock  
- Thermal shutdown protection  
- Adjustable current limit  
- Low shutdown current (<1µA)  

This device is suitable for applications requiring high efficiency and flexibility in power conversion.

Application Scenarios & Design Considerations

Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch

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