A Product Line of Diodes Incorporated AZ1085C 3A LOW DROPOUT LINEAR REGULATOR Description Features The AZ1085C is a series of low dropout positive voltage regulators Low Dropout Voltage: Typical 1.3V at 3A with a maximum dropout of 1.5V at 3A of load current. Current Limiting and Thermal Protection Output Current: 3A The series features on-chip thermal shutdown. It also includes a Current Limit: 4.5A bandgap reference and a current limiting circuit. Operating Junction Temperature: 0 to +125C Compatible with Low ESR Ceramic Capacitor The AZ1085C is available in 1.5V, 1.8V, 2.5V, 3.3V, 5.0V and Line Regulation: 0.015% (Typ) adjustable versions. The fixed versions integrate the adjust resistors. Load Regulation: 0.1% (Typ) The adjustable version can set the output voltage with two external Lead-Free Packages: TO263, TO263-2 resistors. Totally Lead-Free RoHS Compliant (Notes 1 & 2) Lead-Free Packages, Available in Green Molding Compound: The AZ1085C series is available in standard packages of TO263, TO263, TO263-2, TO252-2 (3), TO252-2 (4), TO252-2 (5) TO263-2, TO252-2 (3), TO252-2 (4) and TO252-2 (5). Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Applications High Efficiency Linear Regulators Battery Charger Post Regulation for Switching Supplies Microprocessor Supply Mother Board Power Supplies DVD-Video Player Telecom Equipment Set Top Boxes and Web Boxes Modules Supply Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See A Product Line of Diodes Incorporated AZ1085C Pin Assignments (Cont.) (Top View) (Top View) (Top View) INPUT 3 INPUT 3 INPUT 3 2 OUTPUT OUTPUT 2 OUTPUT 2 ADJ/GND 1 1 ADJ/GND 1 ADJ/GND TO252-2 (3) Option 2 TO252-2 (4) TO252-2 (5) Typical Applications Circuit AZ1085C-ADJ V V OUT IN 3 2 INPUT OUTPUT 10F ADJ 22F R1 1 150 R2 V =V * (1+R2/R1 ) + I * R2 OUT REF ADJ 150 AZ1085C-5.0 V V IN OUT 3 2 INPUT OUTPUT GND 22 F 10 F 1 2 of 21 April 2014 AZ1085C Diodes Incorporated www.diodes.com Document number: DS36735 Rev. 2 - 2