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LT3485EDD-2 from LINEAR

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LT3485EDD-2

Manufacturer: LINEAR

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive

Partnumber Manufacturer Quantity Availability
LT3485EDD-2,LT3485EDD2 LINEAR 14 In Stock

Description and Introduction

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive The LT3485EDD-2 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.4V to 16V  
- **Output Voltage:** Adjustable up to 40V  
- **Switching Frequency:** 1.2MHz (typical)  
- **Output Current:** Up to 2.1A (switch current limit)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  
- **Efficiency:** Up to 90%  
- **Shutdown Current:** <1µA  

### **Descriptions:**
- The LT3485EDD-2 is a high-efficiency, fixed-frequency step-up DC/DC converter designed for applications requiring high output voltages.  
- It includes an internal 2.1A, 40V switch, enabling compact designs with minimal external components.  
- The device operates at a constant switching frequency of 1.2MHz, allowing the use of small inductors and capacitors.  
- It features a soft-start function to limit inrush current during startup.  

### **Features:**
- **Wide Input Voltage Range:** Supports 2.4V to 16V input.  
- **High Output Voltage Capability:** Adjustable up to 40V.  
- **Internal Power Switch:** 2.1A current limit.  
- **Low Shutdown Current:** <1µA for power-saving applications.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Synchronous Rectification:** Improves efficiency.  
- **Soft-Start Function:** Reduces inrush current.  
- **Small Footprint:** 10-Lead DFN package (3mm × 3mm).  

This device is commonly used in applications such as LED drivers, battery-powered systems, and industrial power supplies.

Application Scenarios & Design Considerations

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive
Partnumber Manufacturer Quantity Availability
LT3485EDD-2,LT3485EDD2 LT 21 In Stock

Description and Introduction

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive The LT3485EDD-2 is a step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 25V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 1.2MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  
- **Features:**  
  - Adjustable output voltage  
  - Low dropout operation  
  - Internal soft-start  
  - Overcurrent and thermal protection  
  - Synchronizable switching frequency  
  - Low quiescent current  

### **Description:**  
The LT3485EDD-2 is a high-efficiency, monolithic step-down DC/DC converter with an integrated power switch. It is designed for applications requiring high performance in a compact footprint.  

### **Features:**  
- **Wide Input Range:** Supports 3.6V to 25V input  
- **High Efficiency:** Up to 95%  
- **Adjustable Output:** Configurable via external resistors  
- **Low Dropout Operation:** Maintains regulation with small headroom  
- **Protection Features:** Overcurrent and thermal shutdown  
- **Synchronization Capability:** Can sync with external clock  
- **Compact Package:** 10-Lead DFN for space-constrained designs  

This regulator is suitable for industrial, automotive, and portable applications requiring high efficiency and reliability.

Application Scenarios & Design Considerations

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive

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