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AZ1084 Dataheets PDF



Part Number AZ1084
Manufacturers Diodes
Logo Diodes
Description 5A LOW DROPOUT LINEAR REGULATOR
Datasheet AZ1084 DatasheetAZ1084 Datasheet (PDF)

A Product Line of Diodes Incorporated AZ1084 5A LOW DROPOUT LINEAR REGULATOR Description The AZ1084 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 5A of load current. The series features on-chip thermal limiting which provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. It also includes a trimmed band-gap reference and a current limiting circuit. The AZ1084 is available in 1..

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A Product Line of Diodes Incorporated AZ1084 5A LOW DROPOUT LINEAR REGULATOR Description The AZ1084 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 5A of load current. The series features on-chip thermal limiting which provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. It also includes a trimmed band-gap reference and a current limiting circuit. The AZ1084 is available in 1.5V, 1.8V, 2.5V, 3.3V and 5.0V versions. The fixed versions integrate the adjust resistors. It is also available in an adjustable version which can set the output voltage with two external resistors. The AZ1084 series is available in standard packages of TO263, TO263-2, TO-220-3, TO-252-2 (3), TO-252-2 (4) and TO-252-2 (5). Features  Low Dropout Voltage: 1.3V Typical at 5A  Current Limiting and Thermal Protection  Output Current: 5A  Current Limit: 6.5A  Operating Junction Temperature Range: 0 to +125°C  Line Regulation (Adj Version): 0.015% (Typical)  Load Regulation (Adj Version): 0.1% (Typical)  Lead-Free Packages: TO263, TO-263-2, TO-220-3, TO-252-2 (3), TO-252-2 (4), TO-252-2 (5)  Totally Lead-Free; RoHS Compliant (Notes 1 & 2)  Lead-Free Packages, Available in “Green” Molding Compound: TO263, TO-263-2, TO-220-3, TO-252-2 (3), TO-252-2 (4), 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 Chargers  Post Regulation for Switching Supply  Microprocessor Supply  Desktop PCs, RISC and Embedded Processors' Supply Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Pin Assignments S Package (TO263) S2 Package (TO-263-2) D Package (TO-252-2 (3) (Option 1)) 3 INPUT 2 OUTPUT 1 ADJ/GND 3 INPUT 2 OUTPUT(TAB) 1 ADJ/GND 3 INPUT 2 OUTPUT 1 ADJ/GND (TO-252-2 (3) (Option 2)) D Packages (TO-252-2 (4)) (TO-252-2 (5)) 3 INPUT 2 OUTPUT 1 ADJ/GND AZ1084 Document number: DS36598 Rev. 3 - 2 3 INPUT 2 OUTPUT 1 ADJ/GND 1 of 22 www.diodes.com 3 INPUT 2 OUTPUT 1 ADJ/GND October 2013 © Diodes Incorporated Pin Assignments (Cont.) T Package (TO-220-3 (Option 1)) 3 2 1 INPUT OUTPUT ADJ/GND A Product Line of Diodes Incorporated AZ1084 T Package (TO-220-3 (Option 2)) 3 2 1 INPUT OUTPUT ADJ/GND T Package (TO-220-3 (Option 3)) 3 2 1 INPUT OUTPUT ADJ/GND Typical Applications Circuit VIN 3 AZ1084-ADJ 2 VOUT + INPUT OUTPUT + 10F ADJ 22F 1 R1 150 VOUT =VREF* (1+R2/R1) + IADJ* R2 R2 150 VIN 10F + AZ1084-5.0 32 INPUT OUTPUT GND 1 VOUT + 22F AZ1084 Document number: DS36598 Rev. 3 - 2 2 of 22 www.diodes.com October 2013 © Diodes Incorporated Functional Block Diagram A Product Line of Diodes Incorporated AZ1084 Absolute Maximum Ratings (Note 4) Symbol TJ TSTG TLEAD θJA ESD ESD Parameter Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10 sec.) Thermal Resistance (Note 5) ESD (Human Body Model) ESD (Machine Model) Rating +150 -65 to +150 +260 TO-263-2 TO263 TO-220-3 TO-252-2 (3)/TO252-2 (4)/TO-252-2 (5) 2000 400 60 60 60 100 Unit °C °C °C °C/W V V Notes 4. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. 5. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the junctionto-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD(max)=(TJ(max) -TA)/θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. AZ1084 Document number: DS36598 Rev. 3 - 2 3 of 22 www.diodes.com October 2013 © Diodes Incorporated Recommended Operating Conditions Symbol VIN TJ Parameter Input Voltage Operating Junction Temperature Range A Product Line of Diodes Incorporated AZ1084 Min Max Unit – 12 V 0 +125 ºC Electrical Characteristics (Typicals and limits appearing in normal type apply for TJ = +25°C..


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