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LT3970EDDB#PBF from LINEAR

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LT3970EDDB#PBF

Manufacturer: LINEAR

40V, 350mA Step-Down Regulator with 2.5渭A Quiescent Current and Integrated Diodes

Partnumber Manufacturer Quantity Availability
LT3970EDDB#PBF LINEAR 843 In Stock

Description and Introduction

40V, 350mA Step-Down Regulator with 2.5渭A Quiescent Current and Integrated Diodes The LT3970EDDB#PBF is a step-down switching regulator from Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable from 1.22V to 38V  
- **Output Current:** Up to 5.5A  
- **Switching Frequency:** 200kHz to 2MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN-12 (5mm × 4mm)  

### **Descriptions:**  
- The LT3970 is a high-efficiency monolithic buck (step-down) switching regulator.  
- It features a low dropout (LDO) mode for improved efficiency at low output voltages.  
- The device includes internal compensation, power switches, and a soft-start function.  
- It is designed for applications requiring high power density and efficiency.  

### **Features:**  
- **Wide Input Voltage Range (4V to 40V)**  
- **5.5A Maximum Output Current**  
- **Adjustable Frequency (200kHz to 2MHz)**  
- **Synchronizable to an External Clock**  
- **Low Quiescent Current (40µA in Shutdown)**  
- **Internal Power Switches with Low RDS(ON)**  
- **Programmable Soft-Start**  
- **Thermal Shutdown and Current Limit Protection**  
- **Available in a Compact DFN-12 Package**  

This regulator is suitable for automotive, industrial, and telecom applications requiring high efficiency and compact design.

Application Scenarios & Design Considerations

40V, 350mA Step-Down Regulator with 2.5渭A Quiescent Current and Integrated Diodes

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