Download AOZ1081 Datasheet PDF
Alpha & Omega Semiconductors
AOZ1081
Description The AOZ1081 is a high efficiency, simple to use, 1.8A buck regulator for White LED. The AOZ1081 works from a 4.5V to 16V input voltage range, and provides up to 1.8A of continuous output current with an output voltage adjustable down to 0.25V. The AOZ1081 es in an SO-8 package and is rated over a -40°C to +85°C ambient temperature range. Features - 4.5V to 16V operating input voltage range - 100 mΩ internal PFET switch for high efficiency: up to 95% - Internal Schottky Diode - Internal soft start - 0.25V internal reference with ±5% accuracy over temperature - 1.8A continuous output current - Fixed 1MHz PWM operation - Cycle-by-cycle current limit - Short-circuit protection - Under voltage lockout - Output over voltage protection - Thermal shutdown - Small size SO-8 package Applications - Buck regulator for white LEDs - Landscape lighting - Flashlights - Battery powered backlight applications Typical Application C1 22µF R1 C2 LX FB AGND...