Product Summary

The AMS1117-3.3 is a 1A low dropout voltage regulator. It is designed to provide 1A output current and to operate down to 1V input-to-output differential. The dropout voltage of the AMS1117-3.3 is guaranteed maximum 1.3V at maximum output current, decreasing at lower load currents. The applications of the AMS1117-3.3 are High Efficiency Linear Regulators, Post Regulators for Switching Supplies, 5V to 3.3V Linear Regulator, Battery Chargersl, Active SCSI Terminators, and Power Management for Notebook, Battery Powered Instrumentation.

Parametrics

AMS1117-3.3 absolute maximum ratings: (1)Power Dissipation: Internally limited; (2)Input Voltage: 15V; (3)Operating Junction Temperature: Control Section: 0℃ to 125℃, Power Transistor: 0℃ to 150℃; (4)Storage temperature: -65℃ to +150℃; (5)Soldering information: Lead Temperature (25 sec): 265℃.

Features

AMS1117-3.3 features: (1) Three Terminal Adjustable or Fixed Voltages: 1.5V, 1.8V, 2.5V, 2.85V, 3.3V and 5.0V; (2) Output Current of 1A; (3) Operates Down to 1V Dropout; (4) Line Regulation: 0.2% Max; (5) Load Regulation: 0.4% Max; (6)SOT-223, TO-252 and SO-8 package available.

Diagrams

AMS1117-3.3 block diagram

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