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LTC3428EDD from LT

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LTC3428EDD

Manufacturer: LT

4A, 2MHz dual phase step-up DC/DC converter in 3mm x 3mm DFN .

Partnumber Manufacturer Quantity Availability
LTC3428EDD LT 171 In Stock

Description and Introduction

4A, 2MHz dual phase step-up DC/DC converter in 3mm x 3mm DFN . The LTC3428EDD is a high efficiency, synchronous step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 0.5V to 5V  
- **Output Voltage Range:** Up to 5.25V (adjustable)  
- **Maximum Output Current:** 300mA (at 3.3V output from a 1.5V input)  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 20µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN-8 (3mm × 3mm)  

### **Descriptions and Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Low Start-Up Voltage:** Operates from inputs as low as 0.5V.  
- **Automatic Burst Mode® Operation:** Enhances efficiency at light loads.  
- **Integrated Power Switches:** Eliminates the need for external MOSFETs.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Short-Circuit Protection:** Safeguards the device under fault conditions.  
- **Compact Package:** DFN-8 for space-constrained applications.  

The LTC3428EDD is designed for battery-powered applications, energy harvesting, and low-voltage power conversion.

Partnumber Manufacturer Quantity Availability
LTC3428EDD LINEAR 27 In Stock

Description and Introduction

4A, 2MHz dual phase step-up DC/DC converter in 3mm x 3mm DFN . The LTC3428EDD is a high efficiency, synchronous step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 0.5V to 5V  
- **Output Voltage Range:** Up to 5.25V  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 20µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions:**  
- The LTC3428EDD is designed for low input voltage applications, making it suitable for single-cell or dual-cell alkaline/NiMH battery-powered devices.  
- It features Burst Mode® operation for improved efficiency at light loads.  
- The device includes internal synchronous rectification, eliminating the need for an external Schottky diode.  
- It has a soft-start function to limit inrush current during startup.  

### **Features:**  
- **Wide Input Voltage Range:** Operates from 0.5V to 5V.  
- **High Efficiency:** Up to 95% with synchronous rectification.  
- **Low Quiescent Current:** 20µA for extended battery life.  
- **Burst Mode Operation:** Enhances efficiency at light loads.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Small Footprint:** 10-Lead DFN package (3mm × 3mm).  
- **Synchronous Operation:** No external diode required.  

This information is sourced from Linear Technology's datasheet for the LTC3428EDD.

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