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PDF AZ78L12 Data sheet ( Hoja de datos )
| Número de pieza | AZ78L12 | |
| Descripción | 3-TERMINAL POSITIVE LINEAR REGULATORS | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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3-TERMINAL POSITIVE LINEAR REGULATOR
General Description
Features
Data Sheet
AZ78LXX
The AZ78LXX series are three terminal positive regu-
lators with several fixed output voltages. These regula-
tors can provide local on card regulation, eliminating
the distribution problems associated with single point
regulation. The AZ78LXX can be used in logic sys-
tems, instrumentation, HiFi, and other solid state elec-
tronic equipment. When used as a Zener diode/resistor
combination replacement, the AZ78LXX usually
results an effective output impedance improvement of
two orders of magnitude, and lower quiescent current.
· Output Current up to 100mA
· Fixed Output Voltages of 5V, 8V, 9V and 12V
· Output Voltage Tolerances of ±5% over the Full
Temperature Range
· Internal Short Circuit Current-limiting
· Internal Thermal Overload Protection
· No External Components
Applications
With adequate heat sinking the AZ78LXX can deliver · High Efficiency Linear Regulator
100mA output current. Current limiting is included to
limit the peak output current to a safe value. Thermal
protection is also provided. If internal power
dissipation becomes too high for the heat sinking
·
·
·
Post Regulation for Switching Supply
Microprocessor Power Supply
Mother Board I/O Power Supply
provided, the thermal shutdown circuit takes over
preventing the IC from overheating.
The AZ78LXX are available in the plastic TO-92
(bulk or ammo packing), SOT-223 and SOT-89 pack-
ages.
TO-92(Bulk Packing)
TO-92(Ammo Packing)
Nov. 2012 Rev. 2. 2
SOT-223
SOT-89
Figure 1. Package Types of the AZ78LXX
BCD Semiconductor Manufacturing Limited
1
1 page  
3-TERMINAL POSITIVE LINEAR REGULATOR
Absolute Maximum Ratings (Note 1)
Data Sheet
AZ78LXX
Parameter
Input Voltage
Operating Junction Temperature
Lead Temperature (Soldering, 10sec)
Power Dissipation (TA=25oC)
Storage Temperature Range
ESD (Human Body Model)
ESD (Machine Model)
Symbol
VIN
TJ
TLEAD
PD
TSTG
ESD
ESD
Value
20
150
260
TO-92
SOT-223
SOT-89
-65 to 150
2000
200
0.65
0.7
0.65
Unit
V
oC
oC
W
oC
V
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
Input Voltage
Operating Junction Temperature
AZ78L05
AZ78L08
AZ78L09
AZ78L12
Symbol
VIN
TJ
Min Max Unit
15
18 V
18
18
-40 125
oC
Nov. 2012 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
5
5 Page 
3-TERMINAL POSITIVE LINEAR REGULATOR
Typical Performance Characteristics (Continued)
Data Sheet
AZ78LXX
11.5
11
10.5
10
AZ78L05
20
0
-20
-40
Time (4μs/Div)
Figure 8. Line Transient Response
(Conditions: VIN=10 to 11V, VOUT=5V, IOUT=40mA)
75
50 AZ78L05
25
0
0
-100
-200
-300
Time (10μs/Div)
Figure 9. Load Transient Response
(Conditions: VIN=10V, VOUT=5V, IOUT=1 to 50mA)
Nov. 2012 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AZ78L12.PDF ] | |
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