MIC2287-34BML-TR

LED Driver IC Overview

The MIC2287-34BML-TR is a 1.2MHz pulse width modulated (PWM) boost-switching regulator optimized for constant-current white LED driver applications. It features a switching current capability of 750mA and operates with a supply voltage range from 2.5V to 10V. The device includes overvoltage protection (OVP) rated at 34V, as indicated by the suffix '34'. It supports analog and PWM dimming functions and is housed in an 8-pin MLF® (2x2mm) package.

LED Driver IC Feature Summary

• Integrated 1.2MHz PWM boost switching regulator architecture
• Constant-current drive capability for white LEDs
• Supports both analog and PWM dimming control methods
• Built-in overvoltage protection circuitry

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic device illumination
• High-output LED driving circuits

LED Driver IC Procurement Notes

Verify the specific OVP rating associated with the '34' suffix against the official Microchip datasheet to ensure compatibility with target LED string voltages. Confirm that the 8-MLF package dimensions meet PCB layout requirements. Ensure the input voltage range of 2.5V to 10V aligns with the system power supply specifications before procurement.

LED Driver IC Selection Notes

Select this component when a compact solution for driving white LEDs is required with integrated overvoltage protection. The 750mA current limit suits moderate brightness applications. Consider the 1.2MHz switching frequency for inductor size optimization. Verify compatibility with existing dimming control signals, as the device supports both analog and PWM inputs.

LED Driver IC Part Context

The MIC2287 series comprises high-frequency LED drivers designed for space-constrained portable devices. The MIC2287-34BML-TR variant specifically targets applications requiring a 34V overvoltage protection threshold. It belongs to a family of regulators offering various OVP levels and packaging options to suit different LED configurations and system constraints.

LED Driver IC Replacement Considerations

Check for other MIC2287 variants with different OVP ratings (e.g., 15V or 24V) if the system voltage differs. Compare pinout and thermal characteristics with similar Microchip LED drivers to ensure mechanical and electrical compatibility during substitution.