ADM8839ACP

Overview

The ADM8839ACP is a specialized charge pump regulator designed for color TFT LCD applications. It generates three distinct output voltages: -15V, +5V, and +15V. The device operates within an input voltage range of 2.7V to 4.2V. It is housed in a 20-LFCSP-VQ package with dimensions of 4x3 mm. This integrated circuit serves as a dedicated converter for thin film transistor display panels.

Feature Summary

• Integrated charge pump architecture optimized for TFT LCD panel power requirements
• Simultaneous generation of negative and positive supply rails for display drivers
• Compact surface-mount packaging suitable for space-constrained mobile devices

Applications

• Color TFT LCD panel power supply systems
• Mobile phone display driver circuits
• Portable electronic device backlight inverters

Procurement Notes

Verify the specific suffix and tape-and-reel configuration against current Analog Devices documentation. Confirm package marking and pinout compatibility with existing PCB layouts. Check for obsolescence status or lifecycle notices before finalizing design-in decisions.

Selection Notes

Select this component when a single-chip solution is required to generate multiple polarities from a low-voltage source. Ensure the input voltage stays within the specified 2.7V to 4.2V window. Consider thermal performance in the 20-LFCSP package under maximum load conditions.

Part Context

This part belongs to the ADM8839 family of power management ICs. It is specifically engineered for portable electronics requiring efficient voltage conversion for display technologies. The device integrates necessary switching elements and control logic into a small footprint.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.