MAX870EUK-T

Overview

The MAX870EUK-T is a switched-capacitor voltage inverter IC manufactured by Analog Devices Inc./Maxim Integrated. It functions as a charge pump and LCD voltage regulator, providing a single output. The device operates within a supply voltage range of 2.7V to 5.5V and is housed in a compact SOT-23-5 surface-mount package. Designed for low-power applications, it generates negative voltages from positive supplies without requiring external inductors.

Feature Summary

• Integrated switched-capacitor topology eliminates the need for external inductors
• Provides regulated negative output suitable for LCD biasing
• Operates efficiently with standard single-supply voltages

Applications

• LCD bias voltage generation
• Negative supply creation for single-supply systems
• Portable electronic devices requiring compact power solutions

Procurement Notes

Verify component authenticity through authorized distributors due to availability constraints. Confirm package integrity upon receipt. Check datasheet revisions for updated electrical characteristics. Ensure storage conditions meet manufacturer specifications to prevent degradation. Validate pinout compatibility during integration planning.

Selection Notes

Evaluate input voltage stability against the specified operating range. Consider capacitor selection for optimal ripple performance. Assess thermal requirements based on load current and ambient temperature. Verify footprint compatibility with existing PCB layouts. Compare efficiency metrics against alternative linear regulators for specific power budgets.

Part Context

This component belongs to the Maxim Integrated line of specialized power management ICs. It addresses the need for simple, inductor-free voltage inversion in space-constrained designs. The series supports various portable applications where size and cost are critical factors alongside basic regulatory performance.

Replacement Considerations

Public confirmed substitute part numbers: MAX870EUK+T.