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LT3972EDD#PBF from LINEAR

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LT3972EDD#PBF

Manufacturer: LINEAR

33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75渭A Quiescent Current

Partnumber Manufacturer Quantity Availability
LT3972EDD#PBF,LT3972EDDPBF LINEAR 113 In Stock

Description and Introduction

33V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75渭A Quiescent Current The LT3972EDD#PBF is a high voltage, low quiescent current micropower buck switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 42V  
- **Output Voltage Range:** 0.8V to 40V  
- **Maximum Output Current:** 1.5A  
- **Switching Frequency:** 200kHz to 2MHz (adjustable)  
- **Quiescent Current:** 3.5µA (in shutdown), 20µA (no load)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions:**  
- The LT3972 is a step-down (buck) DC/DC converter designed for high voltage applications with very low quiescent current, making it suitable for battery-powered systems.  
- It features Burst Mode® operation for improved efficiency at light loads.  
- The device includes internal compensation, a power switch, and a soft-start function.  

### **Features:**  
- **Wide Input Voltage Range (4V to 42V)** – Suitable for automotive and industrial applications.  
- **Ultra-Low Quiescent Current** – Ideal for always-on systems.  
- **Adjustable Frequency (200kHz to 2MHz)** – Allows optimization for efficiency or component size.  
- **Burst Mode Operation** – Enhances efficiency at light loads.  
- **Internal Compensation & Soft-Start** – Simplifies design and reduces external components.  
- **Synchronous Rectification** – Improves efficiency.  
- **Thermal Shutdown & Current Limit Protection** – Ensures safe operation.  

This regulator is commonly used in automotive, industrial, and battery-powered applications requiring high efficiency and low standby power consumption.

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