AMS2905

Features:

Three Terminal Adjustable or Fixed Voltages* 1.5v,2.5v,2.85v,3.3v and 5.0v
Output Current of 500mA
Operates Down to 1V Dropout
Line Regulation:0.2% Max.
Load Regulation:0.4% Max.
TO-252,SOT-223 and SOT-89 packages




Application

High Efficiency Linear Regulators
Post Regulators for Switching Supplies
5V to 3.3V Linear Regulator
Battery Chargers
Sound Cards
Power Management for Notebook
Battery Powered Instrumentation




Pinout






Specifications

Power Dissipation	Internally limited	Thermal Resistance
Input Voltage	15V	SOT-89 package	JA= 110/W
Operating Junction Temperature		TO-252 package	JA= 80/W
Control Section	0 to 125	SOT-223 package	JA= 90/W
Power Transistor	0 to 50	* With package soldering to copper area over backside ground plane or internal power plane JA can vary from 46 /w >90 /w depending on mounting technique and the size of the copper area.
Storage temperature	-65 to +150
Soldering information
Lead Temperature (10 sec)	300

Description

AMS2905 series of adjustable and fixed voltage regulators are designed to provide 500mA output current and to operate down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload conditions on both the regulator and power source circuitry. The AMS2905 devices are pin compatible with other three-terminal regulators and are offered in the TO-252 package (DPAK) and in the low profile surface mount SOT-223 and SOT-89 packages.