ADVANCED AZ1084 Service Manual

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Data Sheet

5A LOW DROPOUT LINEAR REGULATOR AZ1084

General 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 bandgap reference and a current limiting circuit.

The AZ1084 is available in 1.5V, 1.8V, 2.5V, 2.85V,

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 TO-263-2, TO-263-3, TO-220 and TO-252.

Features

· Low Dropout Voltage: 1.3V Typically at 5A

· Current Limiting and Thermal Protection

· Output Current: 5A

· Current Limit: 6.5A

· Operating Junction Temperature Range:

· Line Regulation: 0.015% (Typical)

· Load Regulation: 0.2% (Typical)

0 to 125oC

Applications

· High Efficiency Linear Regulators

· Battery Chargers

· Post Regulation for Switching Supply

· Microprocessor Supply

· Desktop PCs, RISC and Embedded Processors'

Supply

TO-252 TO-220TO-263-3 TO-263-2

Figure 1. Package Types of AZ1084

Oct. 2005 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

Data Sheet

5A LOW DROPOUT LINEAR REGULATOR AZ1084

Pin Configuration

T Package

(TO-220)

3 2 1

S Package

(TO-263-3)

Functional Block Diagram

D Package

(TO-252)

INPUT OUTPUT ADJ/GND

S Package

(TO-263-2)

INPUT

OUTPUT

ADJ/GND

Figure 2. Pin Configuration of AZ1084 (Top View)

INPUT

OUTPUT

ADJ/GND

INPUT

OUTPUT (TAB)

ADJ/GND

INPUT

Thermal

Protection

For Adjustable Output, disconnect A1 and A2, connect B For Fixed Output, connect A1 and A2, disconnect B

OUTPUT

ADJ/ GND

Figure 3. Functional Block Diagram of AZ1084

Oct. 2005 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

Data Sheet

5A LOW DROPOUT LINEAR REGULATOR AZ1084

Ordering Information

AZ1084 -

E1: Lead Free

Circuit Type

Blank: Tin Lead

TR: Tape and Reel

Blank: Tube

Package

TO-252

TO-220

Package D: TO-252

T: TO-220 S: TO-263-3 S2: TO-263-2

Tempera-

ture Range

0 to

125oC

0 to

ADJ: Adjustable Output

1.5: Fixed Output 1.5V

1.8: Fixed Output 1.8V

2.5: Fixed Output 2.5V

2.85: Fixed Output 2.85V

3.3: Fixed Output 3.3V

5.0: Fixed Output 5.0V

Part Number Marking ID

Tin Lead Lead Free Tin Lead Lead Free

AZ1084D-ADJ AZ1084D-ADJE1 AZ1084D-ADJ AZ1084D-ADJE1 Tube AZ1084D-ADJTR AZ1084D-ADJTRE1 AZ1084D-ADJ AZ1084D-ADJE1 Tape & Reel AZ1084D-1.5 AZ1084D-1.5E1 AZ1084D-1.5 AZ1084D-1.5E1 Tube AZ1084D-1.5TR AZ1084D-1.5TRE1 AZ1084D-1.5 AZ1084D-1.5E1 Tape & Reel AZ1084D-1.8 AZ1084D-1.8E1 AZ1084D-1.8 AZ1084D-1.8E1 Tube AZ1084D-1.8TR AZ1084D-1.8TRE1 AZ1084D-1.8 AZ1084D-1.8E1 Tape & Reel AZ1084D-2.5 AZ1084D-2.5E1 AZ1084D-2.5 AZ1084D-2.5E1 Tube AZ1084D-2.5TR AZ1084D-2.5TRE1 AZ1084D-2.5 AZ1084D-2.5E1 Tape & Reel AZ1084D-2.85 AZ1084D-2.85E1 AZ1084D-2.85 AZ1084D-2.85E1 Tube AZ1084D-2.85TR AZ1084D-2.85TRE1 AZ1084D-2.85 AZ1084D-2.85E1 Tape & Reel AZ1084D-3.3 AZ1084D-3.3E1 AZ1084D-3.3 AZ1084D-3.3E1 Tube AZ1084D-3.3TR AZ1084D-3.3TRE1 AZ1084D-3.3 AZ1084D-3.3E1 Tape & Reel AZ1084D-5.0 AZ1084D-5.0E1 AZ1084D-5.0 AZ1084D-5.0E1 Tube AZ1084D-5.0TR AZ1084D-5.0TRE1 AZ1084D-5.0 AZ1084D-5.0E1 Tape & Reel AZ1084T-ADJ AZ1084T-ADJE1 AZ1084T-ADJ AZ1084T-ADJE1 Tube AZ1084T-1.5 AZ1084T-1.5E1 AZ1084T-1.5 AZ1084T-1.5E1 Tube AZ1084T-1.8 AZ1084T-1.8E1 AZ1084T-1.8 AZ1084T-1.8E1 Tube AZ1084T-2.5 AZ1084T-2.5E1 AZ1084T-2.5 AZ1084T-2.5E1 Tube AZ1084T-2.85 AZ1084T-2.85E1 AZ1084T-2.85 AZ1084T-2.85E1 Tube AZ1084T-3.3 AZ1084T-3.3E1 AZ1084T-3.3 AZ1084T-3.3E1 Tube AZ1084T-5.0 AZ1084T-5.0E1 AZ1084T-5.0 AZ1084T-5.0E1 Tube

Packing

Type

Oct. 2005 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

Data Sheet

5A LOW DROPOUT LINEAR REGULATOR AZ1084

Ordering Information (Continued)

Package

TO-263-3

TO-263-2

Tempera-

ture Range

0 to

125oC

0 to

Part Number Marking ID

Tin Lead LeadFree Tin Lead LeadFree

AZ1084S-ADJ AZ1084S-ADJE1 AZ1084S-ADJ AZ1084S-ADJE1 Tube AZ1084S-ADJTR AZ1084S-ADJTRE1 AZ1084S-ADJ AZ1084S-ADJE1 Tape & Reel AZ1084S-1.5 AZ1084S-1.5E1 AZ1084S-1.5 AZ1084S-1.5E1 Tube AZ1084S-1.5TR AZ1084S-1.5TRE1 AZ1084S-1.5 AZ1084S-1.5E1 Tape & Reel AZ1084S-1.8 AZ1084S-1.8E1 AZ1084S-1.8 AZ1084S-1.8E1 Tube AZ1084S-1.8TR AZ1084S-1.8TRE1 AZ1084S-1.8 AZ1084S-1.8E1 Tape & Reel AZ1084S-2.5 AZ1084S-2.5E1 AZ1084S-2.5 AZ1084S-2.5E1 Tube AZ1084S-2.5TR AZ1084S-2.5TRE1 AZ1084S-2.5 AZ1084S-2.5E1 Tape & Reel AZ1084S-2.85 AZ1084S-2.85E1 AZ1084S-2.85 AZ1084S-2.85E1 Tube AZ1084S-2.85TR AZ1084S-2.85TRE1 AZ1084S-2.85 AZ1084S-2.85E1 Tape & Reel AZ1084S-3.3 AZ1084S-3.3E1 AZ1084S-3.3 AZ1084S-3.3E1 Tube AZ1084S-3.3TR AZ1084S-3.3TRE1 AZ1084S-3.3 AZ1084S-3.3E1 Tape & Reel AZ1084S-5.0 AZ1084S-5.0E1 AZ1084S-5.0 AZ1084S-5.0E1 Tube AZ1084S-5.0TR AZ1084S-5.0TRE1 AZ1084S-5.0 AZ1084S-5.0E1 Tape & Reel AZ1084S2-ADJ AZ1084S2-ADJE1 AZ1084S2-ADJ AZ1084S2-ADJE1 Tube AZ1084S2-ADJTR AZ1084S2-ADJTRE1 AZ1084S2-ADJ AZ1084S2-ADJE1 Tape & Reel AZ1084S2-1.5 AZ1084S2-1.5E1 AZ1084S2-1.5 AZ1084S2-1.5E1 Tube AZ1084S2-1.5TR AZ1084S2-1.5TRE1 AZ1084S2-1.5 AZ1084S2-1.5E1 Tape & Reel AZ1084S2-1.8 AZ1084S2-1.8E1 AZ1084S2-1.8 AZ1084S2-1.8E1 Tube AZ1084S2-1.8TR AZ1084S2-1.8TRE1 AZ1084S2-1.8 AZ1084S2-1.8E1 Tape & Reel AZ1084S2-2.5 AZ1084S2-2.5E1 AZ1084S2-2.5 AZ1084S2-2.5E1 Tube AZ1084S2-2.5TR AZ1084S2-2.5TRE1 AZ1084S2-2.5 AZ1084S2-2.5E1 Tape & Reel AZ1084S2-2.85 AZ1084S2-2.85E1 AZ1084S2-2.85 AZ1084S2-2.85E1 Tube AZ1084S2-2.85TR AZ1084S2-2.85TRE1 AZ1084S2-2.85 AZ1084S2-2.85E1 Tape & Reel AZ1084S2-3.3 AZ1084S2-3.3E1 AZ1084S2-3.3 AZ1084S2-3.3E1 Tube AZ1084S2-3.3TR AZ1084S2-3.3TRE1 AZ1084S2-3.3 AZ1084S2-3.3E1 Tape & Reel AZ1084S2-5.0 AZ1084S2-5.0E1 AZ1084S2-5.0 AZ1084S2-5.0E1 Tube AZ1084S2-5.0TR AZ1084S2-5.0TRE1 AZ1084S2-5.0 AZ1084S2-5.0E1 Tape & Reel

Packing

Type

BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.

Oct. 2005 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

Data Sheet

5A LOW DROPOUT LINEAR REGULATOR AZ1084

Absolute Maximum Ratings (Note 1)

Parameter Symbol Min Max Unit

Operating Junction Temperature Range T

Storage Temperature Range T

Lead Temperature (Soldering, 10 sec.) T

LEAD

-65 150

150

300

ESD (Human Body Model) ESD 2000 V

Note 1: 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.

Recommended Operating Conditions

Parameter Symbol Min Max Unit

Input Voltage V

12 V

Operating Junction Temperature Range T

0 125

Oct. 2005 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

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ADVANCED AZ1084 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual