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LT3503EDCB from LT

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LT3503EDCB

Manufacturer: LT

1A, 2.2MHz Step-Down Switching Regulator in 2mm x 3mm DFN

Partnumber Manufacturer Quantity Availability
LT3503EDCB LT 216 In Stock

Description and Introduction

1A, 2.2MHz Step-Down Switching Regulator in 2mm x 3mm DFN The LT3503EDCB is a dual monolithic buck switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 3.6V to 25V  
- **Output Voltage Range:** 0.8V to 24V (adjustable)  
- **Output Current:** Up to 1.1A per channel (2.2A total)  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions:**
- The LT3503EDCB is a dual-channel step-down DC/DC converter with internal power switches.  
- It is designed for applications requiring high efficiency and compact size.  
- Features independent enable pins for each regulator.  
- Operates in continuous conduction mode (CCM) for better efficiency at higher loads.  

### **Features:**
- **Dual Independent Regulators:** Two 1.1A buck regulators in a single package.  
- **Synchronizable Switching Frequency:** Reduces noise interference.  
- **Low Dropout Operation:** Maintains regulation with input voltages close to output.  
- **Internal Soft-Start:** Prevents inrush current at startup.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Adjustable Output Voltage:** Set via external resistors.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

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