The MAX764CSA-T is a high-efficiency, voltage-inverting, step-up DC-DC converter from Maxim Integrated. This compact and versatile component is designed to provide a reliable power solution for applications requiring a negative voltage from a positive voltage input. It is particularly suitable for battery-powered devices, portable equipment, and any system where space and efficiency are critical.
Key Features
- Input Voltage Range: The device operates from a +2.7V to +5.5V input voltage range, making it ideal for single-cell lithium-ion or multi-cell alkaline/NiCd/NiMH applications.
- Adjustable Output: The output voltage is adjustable and can be set from -1.25V to -15V, providing design flexibility to meet various application requirements.
- High Efficiency: With efficiencies up to 95%, the MAX764CSA-T minimizes power loss and heat generation, extending battery life in portable devices.
- Low Quiescent Current: The quiescent current is only 110µA, which further improves battery life by reducing standby power consumption.
- Switching Frequency: A high 65kHz switching frequency allows for smaller external components, reducing the overall footprint and bill of materials.
- Thermal and Overload Protection: Built-in thermal overload protection ensures the device operates within safe temperature limits, while overload protection safeguards against excessive input currents.
- Package: The MAX764CSA-T is offered in a space-saving 8-pin SO package, suitable for automated assembly processes and compact PCB layouts.
Applications
The MAX764CSA-T is used in a wide range of applications, including but not limited to:
- Portable Instruments
- Medical Devices
- Handheld Computers
- Negative Voltage Power Supplies
- Operational Amplifier Systems
Overall, the MAX764CSA-T from Maxim Integrated is a robust and efficient solution for generating a negative voltage rail in a variety of electronic systems. Its combination of high efficiency, low quiescent current, and compact form factor makes it a popular choice among engineers and designers for powering negative voltage circuits.