500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR AZ78MXX
Preliminary Datasheet
1
May 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
General Description
The AZ78MXX series are monolithic integrated cir-
cuits designed as fixed-voltage regulators for a wide
variety of applications including local, on-card regula-
tion.
This series of regulators are complete with internal
current limiting, thermal shutdown protection, and
safe-area compensation which make them virtually
immune from output overload. If adequate heat sink-
ing are provided, these regulators can deliver output
currents up to 0.5A.
The AZ78MXX series are available in two standard
plastic packages: TO-220 and TO-252.
Features
Output Current up to 0.5A
Fixed Output Voltages of 5V, 6V, 8V, 9V and 12V
Output Voltage Tolerances of 5% over the Full
Temperature Range
Internal Short Circuit Current-Limiting
Internal Thermal Overload Protection
Applications
Consumer Electronics
Microprocessor Power Supply
Mother Board I/O Power Supply
TO-220
TO-252
Figure 1. Package Types of AZ78MXX
500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR AZ78MXX
Preliminary Datasheet
2
May 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Figure 2. Pin Configuration of AZ78MXX (Top View)
T Package
(TO-220)
INPUT
OUTPUT
GND
1
2
3
1
2
3
INPUT
OUTPUT
GND
D Package
(TO-252)
Pin Configuration
Pin Description
Pin Number
Pin Name
Function
1
INPUT
Voltage Input
2
GND
Ground
3
OUTPUT
Voltage Output
500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR AZ78MXX
Preliminary Datasheet
3
May 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Functional Block Diagram
Figure 3. Functional Block Diagram of AZ78MXX
R9
R7
R4
R3
R5
C1
R11
R19
R18
R14
R15
R16
R17
R20
R23
R21
R2
2
OUTPUT
INPUT
R12
R2
R1
Q23
Q6
Q3
Q9
Q14
Q18
Q21
Q22
Q24
Q16
Q2
Q1
Q4
Q11
Q7
Q10
Q8
Q5
R8
R10
R6
R13
C2
Q12
Q15
Q13
Q17
Q19
Q20
GND
500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR AZ78MXX
Preliminary Datasheet
4
May 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Circuit Type
Package
D: TO-252
T: TO-220
E1: Lead Free
Blank: Tin Lead
AZ78MXX -
TR: Tape and Reel
Blank: Tube
Package
Temperature
Range
Part Number
Marking ID
Packing
Type
Tin Lead
Lead Free
Tin Lead
Lead Free
TO-220
-40 to
125
o
C
AZ78M05T
AZ78M05T-E1
AZ78M05T
AZ78M05T-E1
Tube
AZ78M06T
AZ78M06T-E1
AZ78M06T
AZ78M06T-E1
Tube
AZ78M08T
AZ78M08T-E1
AZ78M08T
AZ78M08T-E1
Tube
AZ78M09T
AZ78M09T-E1
AZ78M09T
AZ78M09T-E1
Tube
AZ78M12T
AZ78M12T-E1
AZ78M12T
AZ78M12T-E1
Tube
TO-252
-40 to
125
o
C
AZ78M05D
AZ78M05D-E1
AZ78M05D
AZ78M05D-E1
Tube
AZ78M05DTR
AZ78M05DTR-E1
AZ78M05D
AZ78M05D-E1
Tape & Reel
AZ78M06D
AZ78M06D-E1
AZ78M06D
AZ78M06D-E1
Tube
AZ78M06DTR
AZ78M06DTR-E1
AZ78M06D
AZ78M06D-E1
Tape & Reel
AZ78M08D
AZ78M08D-E1
AZ78M08D
AZ78M08D-E1
Tube
AZ78M08DTR
AZ78M08DTR-E1
AZ78M08D
AZ78M08D-E1
Tape & Reel
AZ78M09D
AZ78M09D-E1
AZ78M09D
AZ78M09D-E1
Tube
AZ78M09DTR
AZ78M09DTR-E1
AZ78M09D
AZ78M09D-E1
Tape & Reel
AZ78M12D
AZ78M12D-E1
AZ78M12D
AZ78M12D-E1
Tube
AZ78M12DTR
AZ78M12DTR-E1
AZ78M12D
AZ78M12D-E1
Tape & Reel
05: AZ78M05
06: AZ78M06
08: AZ78M08
09: AZ78M09
12: AZ78M12
Ordering Information
500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR AZ78MXX
Preliminary Datasheet
5
May 2005 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Parameter Symbol
Value
Unit
Input Voltage
V
IN
20
V
Lead Temperature (Soldering, 10 sec.)
300
o
C
Power Dissipation
P
D
Internally Limited
Storage Temperature Range
T
STG
-65 to 150
o
C
ESD (Machine Model)
ESD
450
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 Max-
imum Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Supply Voltage
V
CC
7.5
18
V
Operating Junction Temperature Range
T
J
-40
125
Absolute Maximum Ratings (Note 1)
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