AZ1085C
3A LOW DROPOUT LINEAR REGULATORR
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) & 2015/863/EU (RoHS 3) compliant.
2. See
AZ1085C
Pin Assignments (Cont.)
(Top View) (Top View) (Top View)
INPUT 3
3 INPUT
INPUT
3
2
2 OUTPUT OUTPUT 2 OUTPUT
ADJ/GND
1
ADJ/GND 1
ADJ/GND
1
TO252-2 (3) Option 2 TO252-2 (4) TO252-2 (5)
Typical Applications Circuit
AZ1085C-ADJ
V
V
IN OUT
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
10 F 22 F
1
2 of 21
AZ1085C October 2018
Diodes Incorporated
www.diodes.com
Document number: DS36735 Rev. 3 - 2