The MIC3203 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications.
4.5V to 42V input voltage range High efficiency (>90%) ±5% LED current accuracy MIC3203: Dither enabled for low EMI MIC3203-1: Dither disabled High-side current sense 4.5V to 42V input voltage range High efficiency (>90%) ±5% LED current accuracy MIC3203: Dither enabled for low EMI MIC3203-1: Dither disabled High-side current sense Dedicated dimming control input Hysteretic control (no compensation required) Up to 1.5MHz switching frequency Adjustable constant LED current Over-temperature protection -40°C to +125°C junction temperature range
Attribute
Value
Output Current
3mA
Input Voltage
4.5 → 42 V
AC or DC Input Voltage
dc
Dimming Operation
PWM
Application
12 V Lighting System (MR-16 Bulb, Ambient Lighting, Architectural, Channel Letter, Emergency Lighting, Garden/Pathway Lighting), Indicator, Industrial, LED Bulb, Street Lighting, Under-Cabinet Lighting