SP1085
SP1085 is 3A Low Dropout Linear Regulator manufactured by Sipex Corporation.
features g Low Dropout Voltage: Typical 1.3V at 3A g Current Limiting and Thermal Protection g Output Current: 3A g Current Limit: 4.5A g Operating Junction Temperature: 0 to 125o C g Line Regulation: 0.015% (Typical) g Load Regulation: 0.1% (Typical) g Available in Ro HS pliant, Lead Free
Packaging
TO-220
3 2 1
INPUT OUTPUT ADJ/GND
Applications g High Efficiency Linear Regulators g Battery Charger g Post Regulation for Switching Supplies g Microprocessor Supply g Mother Board Power Supplies g DVD
- Video Player g Tele Equipment g Set Top Boxes and Web Box Modular Supplies general Description
The SP1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current. The series features on-chip thermal shutdown. It also includes a bandgap reference and a current limiting circuit. The SP1085 is available in 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V and adjustable versions. The fixed versions integrate the adjust resistors. The adjustable version can set the output voltage with two external resistors. The SP1085 series is available in standard packages of TO-263-3L, TO-220 and TO-252.
TO-263-3L
TO-252
TO-220
Figure . Package Types of SP085
Date: 7/24/06 Rev H
SP1085 3A Low Dropout Linear Regulator
© 2006 Sipex Corporation
Pin configuration
V Package (TO-220)
3 2 1
INPUT OUTPUT ADJ/GND
V1 Package (TO-263-3L)
3 2 1
V2 Package (TO-252)
INPUT OUTPUT ADJ/GND
INPUT OUTPUT ADJ/GND
Figure 2. Pin Configuration of SP085 (Top View) functional Block Diagram
INPUT
Thermal
- Protection
+
A B
Date: 7/24/06 Rev H
OUTPUT
For Adjustable Output, disconnect A and A2, connect B A2
For Fixed Output, connect A and A2, disconnect B
ADJ/ GND
Figure 3. Functional Block Diagram of...
