ADM8843ACPZ-REEL7

Overview

The ADM8843ACPZ-REEL7 is an LED driver IC featuring a charge pump architecture designed for LCD and LED backlight applications. It operates with a DC input voltage range of 2.6 V to 5.5 V and provides a regulated output current of 20 mA. The device supports a maximum output power of 2 mW and delivers a maximum output voltage of 4.81 V. Packaged in a 16-pin LFCSP, it utilizes surface mount technology.

Feature Summary

• Integrates a charge pump circuit to enable LED driving from low input voltages
• Provides constant 20 mA output current regulation for stable illumination
• Supports wide input voltage range suitable for battery-powered systems

Applications

• Mobile phone displays
• Digital still camera (DSC) backlights
• Flashlight illumination
• Micro TFT color monitor backlights
• White LED backlighting

Procurement Notes

Verify the specific suffix REEL7 against official Analog Devices documentation to confirm reel packaging specifications. Confirm that the component meets RoHS compliance requirements as indicated in manufacturer datasheets. Ensure the package type matches the design footprint before procurement.

Selection Notes

Select this component when designing circuits requiring a compact solution for white LED backlighting in portable devices. The integrated charge pump allows operation from single-cell lithium-ion batteries. Verify that the 20 mA output current aligns with the target LED forward current requirements.

Part Context

This part belongs to the ADM8843 series of LED driver chips manufactured by Analog Devices Inc. It is specifically engineered for low-power visual indicator and display backlighting tasks. The device simplifies system design by combining the driver and charge pump into a single small-footprint package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.