MAX1577YETA+T

LED Driver IC Overview

The MAX1577YETA+T is a white LED regulating charge pump designed for camera flashes and movie lights. It operates with a supply voltage range of 2.7V to 5.5V, delivering up to 800mA output current. The device features an internal switched capacitor topology with a switching frequency of 1MHz. It is housed in an 8-TDFN-EP (3x3) package and supports PWM dimming. The component functions as a DC-DC regulator with one output, suitable for high-current LED applications.

LED Driver IC Feature Summary

• Integrates a switched capacitor charge pump topology for efficient voltage regulation
• Supports PWM dimming control for precise brightness adjustment
• Includes internal switches to minimize external component count
• Designed specifically for high-current white LED driving in flash applications

LED Driver IC Applications

• Camera flash systems
• Movie lighting equipment
• White LED regulation circuits

LED Driver IC Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing design constraints due to potential end-of-life restrictions. Check for valid replacement options if long-term supply is required.

LED Driver IC Selection Notes

Select this component for applications requiring regulated white LED drive currents up to 800mA. Consider the 8-TDFN-EP package size for space-constrained designs. Evaluate the 1MHz switching frequency against EMI requirements. Verify input voltage compatibility within the 2.7V to 5.5V range.

LED Driver IC Part Context

The MAX1577 series belongs to Analog Devices' Maxim Integrated portfolio of power management ICs. This specific part is categorized under LED Lighting Driver ICs. It serves as a specialized solution for portable imaging devices requiring reliable flash illumination. The + suffix indicates lead-free compliance.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative components must be identified based on functional equivalence rather than direct cross-reference lists.