Maxim Integrated MAX734CPA+ Overview

The MAX734CPA+ is a high-efficiency, low-quiescent-current, step-up DC-DC converter from Maxim Integrated, designed to provide a reliable power solution for battery-powered devices. This compact and versatile component is ideal for applications requiring a regulated power supply with a higher voltage output from a lower voltage source.

Key Features

• Voltage Output: The device is capable of boosting input voltages of 2V to 16.5V up to fixed outputs of 12V.
• High Efficiency: With an efficiency rate that can reach up to 87%, it ensures minimal power loss during the voltage conversion process.
• Low Quiescent Current: The MAX734CPA+ boasts a low quiescent current of 110µA, making it suitable for battery-powered applications where power conservation is crucial.
• Package Type: It is available in an 8-pin PDIP package, which is suitable for through-hole mounting, making it easy to integrate into a variety of circuit designs.
• Adjustable Output: The output voltage can be adjusted with the use of external resistors, providing design flexibility for specific application requirements.

Applications

The MAX734CPA+ is widely used in portable electronics where extending battery life is essential. Its typical applications include:

• Portable Computers
• Handheld Instruments
• Medical Devices
• Power Backup Supplies
• Small LCD Panels

Protection Features

Maxim Integrated has incorporated several protective features into the MAX734CPA+ to ensure device and system safety:

• Thermal Shutdown: The device includes a thermal shutdown mechanism to prevent overheating.
• Current Limiting: Built-in current limiting protects the device from damage due to excessive input current.
• Soft-Start Function: The soft-start feature minimizes inrush current during startup, thus reducing stress on the battery and extending its life.

With its robust design, the MAX734CPA+ from Maxim Integrated stands out as a reliable choice for designers looking to optimize power management in compact, battery-dependent electronics.