AME1117 - Analog Microelectronics

AME1117 1A Low Dropout Positive Voltage Regulator

The AME1117 is a 1A low-dropout positive voltage regulator. It is available in fixed and adjustable output voltage versions. Overcurrent and thermal protection are integrated onto the chip. Output current will limit as while it reaches the pre-set current or temperature limit. The dropout voltage is specified at 1.4V Maximum at full rated output current. Th.

Features

l Low dropout voltage 1.2V at 1A l Adjustable or fixed voltages 2.5V, 3.3V, 5.0V l Typical line regulation 0.2% l Typical load regulation ...... 0.15% l Adjust pin current less than 90µA l Overcurrent protection l Thermal protection l Available in TO-220, TO-252, SOT-223 nApplications l High Efficiency Linear Regulators l 5V to 3.3V Voltage Converter l Battery Charger l Post Regulators for Switching Supplies nFunctional Block Diagram In p u t n Typical Application AM E1117 C u rre n t L im itin g A m p lifie r GND 4.75V to 12V 10 µF Tan 10 µF Tan Load T h e rm a l .