MAX8570EUT+T

Overview

The MAX8570EUT+T is a high-efficiency LCD boost converter with true shutdown, manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 2.4 V to 5.5 V and provides an adjustable output voltage from 800 mV to 30 V. The device features an internal switch capable of delivering up to 500 mA of output current. Key electrical specifications include a switching frequency of 500 kHz and a quiescent current of 18 uA. It is housed in a compact SOT-23-6 package and supports operation temperatures from -40°C to +85°C.

Feature Summary

• Integrates a high-efficiency boost converter topology optimized for LCD bias supply applications.
• Features a true shutdown mode to minimize power consumption when the device is not in use.
• Includes an internal power switch rated for 500 mA output current capability.

Applications

• LCD bias supply generation
• Portable electronic devices requiring efficient step-up conversion
• Battery-powered systems needing low quiescent current

Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to ensure correct packaging and temperature grade. Confirm that the SOT-23-6 package matches your PCB footprint requirements. Check for RoHS compliance status as indicated in the specific datasheet revision. Ensure availability through authorized distributors given potential supply constraints.

Selection Notes

Select this component when designing circuits that require a compact, high-efficiency boost converter for LCD panels or similar loads. Consider the 500 mA internal switch limit and the 30 V maximum output voltage when sizing external components. Evaluate the 18 uA quiescent current against battery life requirements for portable applications.

Part Context

This part belongs to the Maxim Integrated portfolio of power management ICs, specifically designed for portable electronics. It addresses the need for efficient voltage boosting in space-constrained designs. The SOT-23-6 package allows for small form factor implementations common in mobile and handheld devices.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully if considering competitors. No direct public substitute part numbers are confirmed in the provided source material.