The LTC3530EMS, manufactured by Linear Technology, is a high-performance, synchronous step-up DC/DC converter with integrated output disconnect. It is designed to provide a compact and efficient solution for portable devices that require a higher output voltage from a lower voltage input source.

Key Features

• Wide Input Voltage Range: The LTC3530EMS operates from an input voltage range of 0.5V to 5V, making it ideal for single-cell Li-Ion or multi-cell alkaline/NiMH applications.
• Adjustable Output Voltage: The output voltage is adjustable from 2.5V to 5.25V, which allows for versatility in different design scenarios and the ability to cater to various voltage requirements of different loads.
• High Efficiency: Its synchronous rectification design provides efficiencies of up to 95%, which is crucial for battery-powered devices where energy conservation is paramount.
• Output Disconnect: The integrated output disconnect feature ensures that the output is isolated from the input when the device is not in operation, preventing battery drain.
• Low Quiescent Current: The LTC3530EMS has a low quiescent current of only 25uA, further enhancing its suitability for battery-operated applications.
• Powerful Performance: It can deliver up to 600mA of continuous output current at 5V from a 3.3V input, ensuring reliable power for a wide range of devices.

Applications

The LTC3530EMS is versatile in its applications, catering to a diverse array of portable electronic devices. It is particularly useful in:

• Handheld Instruments
• Medical Devices
• Portable Media Players
• Wireless Modems
• GPS Devices

Package and Reliability

The LTC3530EMS is offered in a compact 10-lead MSOP package with a thermally enhanced exposed pad for improved thermal performance. Its robust design ensures reliable operation over a temperature range of -40°C to 85°C, making it suitable for industrial and automotive environments as well.