MAX1582ETC

LED Driver IC Overview

The MAX1582ETC is a high-efficiency, 26V step-up DC-DC converter designed for white LED backlight applications. It features a proprietary dual-output boost PWM architecture with an integrated 30V N-channel MOSFET switch. The device supports up to 950mA switch current and operates at a 1MHz frequency. It accepts input voltages from 2.6V to 5.5V and offers analog or digital PWM dimming control. The component is housed in a compact TDFN-12 package.

LED Driver IC Feature Summary

• Proprietary dual-output boost topology with integrated low RDS(ON) MOSFET
• Supports analog and digital PWM brightness control without external filters
• Built-in overvoltage protection eliminates need for external Zener diodes
• Soft-start functionality prevents inrush currents during power-up

LED Driver IC Applications

• Main display backlight driving for cellular phones
• Secondary display backlight driving for handheld devices
• Dual-display backlight systems requiring independent current control

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., ETC vs ETC+) against the manufacturer's official datasheet to confirm pinout and packaging details. Confirm RoHS compliance status as indicated in the documentation. Check current lifecycle status, as this part may be obsolete or subject to limited supply constraints.

LED Driver IC Selection Notes

Select this component for applications requiring efficient drive of multiple series-connected white LEDs. Ensure the design accommodates the 26V maximum output voltage capability. Verify that the required dimming method aligns with the supported analog or PWM input ranges. Consider the thermal performance within the TDFN-12 package for the intended power dissipation.

LED Driver IC Part Context

This device belongs to the Maxim Integrated line of power management ICs, specifically optimized for portable consumer electronics. It addresses the need for high-efficiency backlighting solutions that extend battery life while maintaining precise brightness control in space-constrained mobile designs.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices/Maxim Integrated technical support for direct replacements or functional equivalents.