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LTC3522EUD from LINEAR

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LTC3522EUD

Manufacturer: LINEAR

Synchronous 400mA Buck-Boost and 200mA Buck Converters

Partnumber Manufacturer Quantity Availability
LTC3522EUD LINEAR 11 In Stock

Description and Introduction

Synchronous 400mA Buck-Boost and 200mA Buck Converters The LTC3522EUD is a synchronous step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 0.5V to 5.5V  
- **Output Voltage Range:** 1.8V to 5.25V (adjustable)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 94%  
- **Quiescent Current:** 20μA (typical)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead DFN (3mm × 3mm)  

### **Descriptions:**  
The LTC3522EUD is a high-efficiency, low-noise synchronous boost converter designed for battery-powered applications. It features automatic Burst Mode® operation for improved efficiency at light loads and can start up with input voltages as low as 0.5V.  

### **Features:**  
- Synchronous rectification for high efficiency  
- No external Schottky diode required  
- Low start-up voltage (0.5V)  
- Adjustable output voltage  
- Burst Mode operation for low quiescent current  
- Internal soft-start  
- Short-circuit protection  
- Thermal shutdown  

This converter is commonly used in portable electronics, energy harvesting, and low-voltage power supply applications.

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