MAX1582EBE

LED Driver IC Overview

The MAX1582EBE is a high-efficiency, 26V step-up DC-DC converter designed specifically for powering white LED arrays in mobile phone main and sub-displays. It operates from a single lithium-ion cell or two alkaline cells, providing regulated output current to ensure consistent brightness. The device integrates a current-mode control loop with pulse width modulation (PWM) for precise regulation. It features an internal switch capable of handling high currents, enabling efficient power conversion in compact portable applications.

LED Driver IC Feature Summary

• High-efficiency step-up topology optimized for white LED backlighting
• Integrated current-mode control with PWM for stable LED drive
• Operates from low input voltage sources including single Li-ion cells
• Designed for compact mobile display applications

LED Driver IC Applications

• Mobile phone main display white LED backlighting
• Sub-display illumination in handheld devices
• Portable electronic device lighting systems powered by single-cell batteries

LED Driver IC Procurement Notes

Verify the exact suffix (e.g., +T, EBE) against the manufacturer's official datasheet to confirm package type, temperature range, and lead-free status. Ensure the component matches the specific electrical requirements for your LED array configuration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

LED Driver IC Selection Notes

Select this component when designing for single-cell battery operation requiring regulated white LED current. Consider the maximum input voltage and required output current capabilities relative to the target LED string. Evaluate thermal performance within the intended enclosure space, as efficiency impacts heat dissipation in portable devices.

LED Driver IC Part Context

This part belongs to Maxim Integrated's portfolio of PMIC solutions for mobile displays. It is engineered to replace discrete LED driver circuits, reducing board space and component count. The series supports various packaging options to accommodate different PCB layout constraints in consumer electronics.

LED Driver IC Replacement Considerations

Consult the manufacturer's cross-reference guide for verified substitutes. Generic replacements may not match the specific current regulation accuracy or efficiency profiles required for display backlighting.