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LT3976IUDD#PBF from LINEAR

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LT3976IUDD#PBF

Manufacturer: LINEAR

40V, 5A, 2MHz Step-Down Switching Regulator with 3.3渭A Quiescent Current

Partnumber Manufacturer Quantity Availability
LT3976IUDD#PBF,LT3976IUDDPBF LINEAR 179 In Stock

Description and Introduction

40V, 5A, 2MHz Step-Down Switching Regulator with 3.3渭A Quiescent Current The LT3976IUDD#PBF is a high voltage, low quiescent current buck switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 42V  
- **Output Voltage Range:** Adjustable from 1.21V to 40V  
- **Output Current:** Up to 2.5A  
- **Switching Frequency:** 200kHz to 2.2MHz (adjustable)  
- **Quiescent Current:** 3.5µA (in shutdown mode), 20µA (no-load operation)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead QFN (4mm × 4mm)  

### **Descriptions & Features:**  
- **High Voltage Operation:** Supports input voltages up to 42V.  
- **Ultra-Low Quiescent Current:** Enables long battery life in always-on applications.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Burst Mode® Operation:** Reduces power consumption in light load conditions.  
- **Integrated Power Switch:** Simplifies design with an onboard 3.5A, 60V DMOS switch.  
- **Synchronizable:** Can be synchronized to an external clock.  
- **Protection Features:** Includes thermal shutdown, overcurrent protection, and reverse-battery protection.  
- **Compact Package:** QFN-16 for space-constrained applications.  

This regulator is commonly used in automotive, industrial, and battery-powered applications requiring high efficiency and wide input voltage range.  

(Source: Linear Technology/Analog Devices datasheet for LT3976)

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