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LT3485EDD-1 from LT

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LT3485EDD-1

Manufacturer: LT

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive

Partnumber Manufacturer Quantity Availability
LT3485EDD-1,LT3485EDD1 LT 13 In Stock

Description and Introduction

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive The LT3485EDD-1 is a high voltage, micropower step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 16V  
- **Output Voltage Range:** Up to 40V  
- **Switching Frequency:** 1.2MHz  
- **Quiescent Current:** 20µA (typical)  
- **Maximum Output Current:** 40mA (at 5V input, 12V output)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN-10 (3mm × 3mm)  

### **Descriptions:**  
- The LT3485EDD-1 is designed for applications requiring high voltage generation from low voltage inputs.  
- It features an internal 40V, 350mA switch and operates in a current-limited, constant-frequency architecture.  
- The device includes a shutdown mode that reduces quiescent current to <1µA.  

### **Features:**  
- **Wide Input Voltage Range:** 2.5V to 16V  
- **High Output Voltage Capability:** Up to 40V  
- **Low Quiescent Current:** 20µA (typical)  
- **Internal Soft-Start**  
- **Current Mode Control for Improved Stability**  
- **Thermal Shutdown Protection**  
- **Small 10-Lead DFN Package**  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive
Partnumber Manufacturer Quantity Availability
LT3485EDD-1,LT3485EDD1 LINEAR 58 In Stock

Description and Introduction

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive The LT3485EDD-1 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.4V to 16V  
- **Output Voltage Range:** Up to 40V  
- **Output Current:** Up to 1.2A (switch current limit)  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN-10 (3mm × 3mm)  

### **Descriptions:**  
- The LT3485EDD-1 is a high-efficiency, current-mode step-up DC/DC converter.  
- It features an internal 1.2A, 40V switch and can generate output voltages up to 40V.  
- The fixed 1MHz switching frequency allows for small external components.  
- It includes soft-start, current limiting, and thermal shutdown for protection.  

### **Features:**  
- **Wide Input Voltage Range:** 2.4V to 16V  
- **High Output Voltage Capability:** Up to 40V  
- **Internal 1.2A, 40V Power Switch**  
- **1MHz Fixed Switching Frequency**  
- **Soft-Start Function**  
- **Thermal Shutdown Protection**  
- **Current Mode Control for Improved Stability**  
- **Low Shutdown Current (<1µA)**  
- **Compact DFN-10 Package**  

The LT3485EDD-1 is commonly used in applications requiring high-voltage generation from low-voltage sources, 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

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