Advanced
Monolithic
Systems
AMS2910
1A LOW DROPOUT VOLTAGE REGULATOR
FEATURES
APPLICATIONS
· Three Terminal Adjustable or Fixed Voltages*
1.5V, 2.5V, 2.85V, 3.3V, and 5.0V
· Output Current of 1A
· Operates Down to 1V Dropout
· Line Regulation: 0.2% Max.
· Load Regulation: 0.4% Max.
· Available in TO-220, TO-263, TO-252 and SOT-223
packages
· High Efficiency Linear Regulators
· Post Regulators for Switching Supplies
· 5V to 3.3V Linear Regulator
· Battery Chargers
· Active SCSI Terminators
· Power Management for Notebook
· Battery Powered Instrumentation
GENERAL DESCRIPTION
The AMS2910 series of adjustable and fixed voltage regulators are designed to provide 1A output current and to operate
down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.5V 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 AMS2910 devices are pin compatible with other three-terminal regulators and are offered in the 3 lead TO-220 package,
in the 3Lead TO-263 (Plastic DD), in the TO-252 (D PAK) and in the low profile surface mount SOT-223 package.
ORDERING INFORMATION:
PACKAGE TYPE
OPERATING JUNCTION
TEMPERATURE RANGE
3 LEAD TO-220
AMS2910CT
AMS2910CT-1.5
AMS2910CT-2.5
AMS2910CT-2.85
AMS2910CT-3.3
AMS2910CT-5.0
3 LEAD TO-263
TO-252
AMS2910CD
SOT-223
AMS2910
AMS2910-1.5
AMS2910-2.5
AMS2910CM
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
AMS2910CM-1.5
AMS2910CM-2.5
AMS2910CD-1.5
AMS2910CD-2.5
AMS2910CM-2.85 AMS2910CD-2.85 AMS2910-2.85
AMS2910CM-3.3
AMS2910CM-5.0
AMS2910CD-3.3
AMS2910CD-5.0
AMS2910-3.3
AMS2910-5.0
*For additional available fixed voltages contact factory.
SOT-223 Top View
TO-220 FRONT VIEW
PIN CONNECTIONS
3
TAB IS
OUTPUT
2
1
1
2
3
FIXED VERSION
ADJUSTABLE VERSION
TO-263 FRONT VIEW
TO-252 FRONT VIEW
3
1- Ground
2- VOUT
3- VIN
1- Adjust
2- VOUT
3- VIN
3
TAB IS
OUTPUT
TAB IS
OUTPUT
2
1
2
1
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140