The ST662ABN is a high-efficiency step-up DC-DC converter produced by the renowned semiconductor manufacturer STMicroelectronics. Designed to meet the needs of compact and power-conscious applications, this device is capable of delivering a fixed or adjustable output voltage from an input voltage as low as 1.15V, making it an ideal choice for battery-operated devices.

Key Features

• Input Voltage Range: The ST662ABN operates on an input voltage range from 1.15V to a maximum of 12V, accommodating a variety of power sources including single-cell batteries.
• Adjustable Output Voltage: Users can set the output voltage from 2.2V to 12V by using external resistors, providing flexibility for different circuit requirements.
• High Efficiency: With a conversion efficiency of up to 90%, this voltage regulator ensures minimal power loss and is suitable for energy-sensitive applications.
• Low Quiescent Current: Its low quiescent current of 240µA (typical) at no load contributes to extended battery life in portable devices.
• Shutdown Mode: The ST662ABN features a shutdown mode that reduces the supply current to less than 1µA, further conserving power when the device is not in active use.
• Package: Available in an 8-pin plastic mini-DIP, the ST662ABN is designed for easy integration into a wide range of electronic circuits.

Applications

The versatility of the ST662ABN makes it suitable for a broad array of applications. It is particularly well-suited for:

• Battery-powered devices
• Handheld instruments
• Portable computers
• Medical equipment
• Personal digital assistants (PDAs)
• Cellular phones

In summary, the ST662ABN from STMicroelectronics is a reliable and efficient solution for designers looking to optimize power management in their electronic devices. Its high efficiency, adjustable output voltage, and low power consumption make it an excellent choice for a wide range of portable and battery-operated applications.