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LTC3490ES8 from LT

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LTC3490ES8

Manufacturer: LT

Single Cell 350mA LED Driver

Partnumber Manufacturer Quantity Availability
LTC3490ES8 LT 95 In Stock

Description and Introduction

Single Cell 350mA LED Driver The LTC3490ES8 is a micropower synchronous step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Linear Technology (LT)  
- **Part Number:** LTC3490ES8  
- **Package:** 8-Lead SOIC  
- **Input Voltage Range:** 0.5V to 5V  
- **Output Voltage Range:** Up to 5V (adjustable)  
- **Switching Frequency:** 1MHz (typical)  
- **Quiescent Current:** 20µA (typical)  
- **Maximum Output Current:** 300mA (at 3.3V output from a 1V input)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The LTC3490ES8 is a high-efficiency, low-power step-up DC/DC converter designed for battery-powered applications.  
- It uses a synchronous rectifier to improve efficiency and reduce external component count.  
- The device operates from input voltages as low as 0.5V, making it suitable for single-cell battery applications.  
- It features automatic Burst Mode® operation to maximize efficiency at light loads.  

### **Features:**
- **Wide Input Voltage Range:** 0.5V to 5V  
- **Adjustable Output Voltage** (up to 5V)  
- **Synchronous Rectification** for high efficiency  
- **Low Quiescent Current:** 20µA  
- **1MHz Fixed Switching Frequency**  
- **Automatic Burst Mode® Operation** for improved light-load efficiency  
- **Small Footprint:** 8-Lead SOIC package  
- **Internal Soft-Start** to limit inrush current  
- **Short-Circuit Protection**  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Single Cell 350mA LED Driver
Partnumber Manufacturer Quantity Availability
LTC3490ES8 LT 25 In Stock

Description and Introduction

Single Cell 350mA LED Driver The LTC3490ES8 is a micropower 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 5V (adjustable)  
- **Output Current:** Up to 100mA  
- **Switching Frequency:** 1MHz  
- **Quiescent Current:** 20µA (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC (ES8)  

### **Descriptions:**  
- Designed for low-input voltage applications.  
- Uses a synchronous rectifier for improved efficiency.  
- Features automatic Burst Mode® operation for light load efficiency.  
- Includes internal soft-start to limit inrush current.  

### **Features:**  
- **Ultralow Start-Up Voltage:** 0.5V  
- **Synchronous Operation:** No external Schottky diode required.  
- **Burst Mode® Operation:** Enhances efficiency at light loads.  
- **Adjustable Output Voltage:** Via external resistors.  
- **Low Shutdown Current:** <1µA.  
- **Internal Soft-Start:** Reduces inrush current.  

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

Application Scenarios & Design Considerations

Single Cell 350mA LED Driver

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