AMS1587

Features:

· Three Terminal Adjustable or Fixed Voltages 1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 3.5V and 5.0V
· Output Current of 3A
· Operates Down to 1V Dropout
· Fast Transient response
· Line Regulation: 0.015%
· TO-220, TO-263 and TO-252 packages available




Application

· High Efficiency Linear Regulators
· Post Regulators for Switching Supplies
· Microprocessor Supply
· Battery Chargers
· Constant Current Regulators
· Notebook/Personal Computer Supplies
· Portable Instrumentation




Pinout






Specifications

Power Dissipation Internally limited
Input Voltage15V
Operating Junction Temperature Range
Control Section0°C to 125°C
Power Transistor0°C to 150°C
Storage temperature - 65°C to +150°C
Soldering information
Lead Temperature (10 sec)300°C
Thermal Resistance
TO-220 package_JA= 50°C/W
TO-263 package _JA= 30°C/W *
TO-252 package _JA= 100°C/W
* With package soldering to 0.5in2 copper area over backside ground plane or internal power plane _JA can vary
from 20°C/W to >40°C/W depending on mounting technique.




Description

The The AMS1587 series of adjustable and fixed voltage regulators are designed to provide 3A 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 AMS1587 devices are pin compatible with older three-terminal regulators and are offered in 3 lead TO-220 package, 3 and 2 lead TO-263 (Plastic DD) and TO-252 (D PAK) package.