Maxim Integrated MAX1595EUA33 Step-Up DC-DC Converter

The MAX1595EUA33 from Maxim Integrated is a high-efficiency, compact, step-up DC-DC converter designed to provide a fixed 3.3V output from a low-voltage input. It is an ideal solution for portable devices that require a stable power supply from a single-cell battery or another low-voltage source.

This converter operates from an input voltage as low as 0.7V, making it perfect for applications powered by single-cell alkaline, NiCd, NiMH, or single-cell Li+ batteries. It can deliver up to 200mA of output current at a 3.3V output, depending on input voltage and load conditions, which is sufficient for many small electronic devices.

The MAX1595EUA33 comes in a space-saving 8-pin µMAX package, which is highly beneficial for space-constrained applications. Its high switching frequency of 500kHz allows the use of tiny, low-cost ceramic capacitors and inductors, further reducing the overall footprint and cost of the power supply design.

One of the key features of the MAX1595EUA33 is its high efficiency, which can reach up to 96%. This is achieved through an integrated synchronous rectifier and a low quiescent current, which also extends battery life in portable applications. Additionally, the device includes a thermal shutdown feature and current-limiting protection, enhancing the safety and reliability of the power supply.

The MAX1595EUA33 is straightforward to use, requiring only a few external components to create a complete power supply. It is designed with an internal soft-start to minimize inrush current during startup, which prevents any unwanted glitches in power-sensitive applications.

In summary, the Maxim Integrated MAX1595EUA33 is a versatile and efficient step-up DC-DC converter that offers a fixed 3.3V output, high efficiency, and a compact form factor. It is an excellent choice for designers looking to optimize power management in portable devices.

Key Features:

• Fixed 3.3V Output Voltage
• Up to 200mA Output Current
• 0.7V to 5.5V Input Voltage Range
• High Efficiency up to 96%
• 500kHz Switching Frequency
• Low Quiescent Current
• Thermal Shutdown and Current-Limiting Protection
• Space-Saving 8-Pin µMAX Package
• Minimal External Components Required