The MAX857ESA+ is a compact, high-efficiency, step-up DC-DC converter from Maxim Integrated that is designed to provide a reliable power solution for applications requiring voltage increase from a lower voltage source. This versatile component is ideal for portable devices, where extending battery life is crucial.

Key Features

• Adjustable Output Voltage: The device offers an adjustable output voltage, allowing designers to customize the voltage level according to the needs of the specific application.
• High Efficiency: With its high-efficiency operation, the MAX857ESA+ minimizes power loss, thereby maximizing battery life in portable applications.
• Low Quiescent Current: It features a low quiescent current, which is essential for battery-powered devices, reducing the power drain when in standby mode.
• Wide Input Voltage Range: The converter operates over a wide input voltage range, making it suitable for a variety of battery configurations and ensuring compatibility with various low-voltage sources.
• Compact SO-8 Package: The MAX857ESA+ comes in a small-outline package (SO-8), which is ideal for space-constrained applications.

Applications

• Portable Electronics
• Battery-Powered Devices
• Handheld Instruments
• Small LCD Panels

Technical Specifications

The MAX857ESA+ operates with an input voltage range from 2V to 6V, making it suitable for single-cell or multi-cell battery systems. It can deliver an adjustable output voltage up to 28V, allowing it to power OLED displays and other high-voltage needs. The device also features a 1.5MHz fixed-frequency PWM control scheme, which helps to reduce the size of external components, such as inductors and capacitors, further contributing to a reduced overall footprint.

With its built-in over-temperature protection and current limit, the MAX857ESA+ ensures safe operation under various conditions. This level of protection, along with its robust design, makes the MAX857ESA+ a reliable choice for designers looking to create durable, long-lasting products.

Maxim Integrated's commitment to quality and performance is evident in the MAX857ESA+, making it a top choice for engineers and designers seeking a high-performance step-up converter for their next project.