Product Overview: MAX845ESA+T from Maxim Integrated

The MAX845ESA+T is a monolithic, CMOS charge-pump voltage converter designed and manufactured by Maxim Integrated, a renowned leader in the development of innovative analog and mixed-signal products. This device is engineered to provide a reliable and efficient voltage conversion solution, making it an excellent choice for a wide range of applications in the electronics industry.

Key Features

• Voltage Conversion: The MAX845ESA+T is capable of converting a positive voltage in the range of 2.0V to 5.5V to the corresponding inverted negative voltage, delivering a versatile solution for systems requiring a dual supply from a single power source.
• High Efficiency: With a typical conversion efficiency of 99%, this device ensures minimal power loss, making it suitable for battery-powered and energy-sensitive applications.
• Low Power Consumption: The quiescent current is a mere 120µA, further contributing to the device's power efficiency, especially in portable devices where power conservation is critical.
• Compact Package: Available in an 8-pin SOIC package, the MAX845ESA+T is designed for space-constrained applications, offering a compact footprint without compromising performance.
• No External Diode: Unlike many other charge pumps, the MAX845ESA+T does not require an external diode, simplifying the circuit design and reducing the bill of materials.
• Oscillator Frequency: It features an oscillator frequency of 10kHz, which allows for small external capacitors, further reducing the overall solution size.

Applications

The versatility of the MAX845ESA+T makes it suitable for a variety of applications, including but not limited to:

• Local or remote negative voltage generation
• Data acquisition systems
• Operational amplifier power supplies
• Battery-powered devices
• Portable instruments

With its combination of high efficiency, low power consumption, and compact packaging, the MAX845ESA+T from Maxim Integrated stands out as a robust solution for designers looking to integrate a reliable voltage conversion component into their electronic systems. Whether it's for industrial controls, medical devices, or consumer electronics, this charge-pump voltage converter is designed to meet the rigorous demands of modern electronic applications.