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AX78XX Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

Part No. AX78XX
Description  3-Terminal Positive Voltage Regulators
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AX78XX Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

 
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AVANTICS - AX78XX Series
Specification No.: 050308-FE0003
AX78XX Series
3-Terminal Positive Voltage Regulators
Description
The AX78XX series can provide local on-card regulation, eliminating the
distribution problems associated with single point regulation. Each employs
internal current limiting, thermal shut-down and safe operating area protection,
making it essen-tially indestructible. If adequate heat sinking is provided, they can
deliver over 1A output current. Although designed primarily as fixed voltage
regulators, these devices can be used with external components to obtain
adjustable voltages and currents.
Features
• Output Current In Excess of 1A
• Output Voltages of 5V, 6V, 8V, 9V, 12V
• Internal Short-Circuit Current Limiting & Thermal Overload Protection
• Guaranteed In Extended Temperature Range
Absolute Maximum Ratings (T
A=25°C)
Characteristic
Symbol
Rating
Unit
Input Voltage
V
IN
40
V
Power Dissipation
P
D
Internally limited (Note)
Operating Temperature
T
opr
-30 to 85
oC
Storage Temperature
T
stg
-55 to 150
oC
Junction Temperature
T
j
150
oC
Note: (1)TA=25oC, TO-251: 1W, TO-252: 1W, SOT-82: 2.1W, TO-220AB: 2.7W
(2)TC=25oC, All package: 10W
Thermal Data
Characteristic
Symbol
TO-252
TO-251
SOT-82
TO-220AB
Unit
Thermal Resistance Junction-Case
R
th(j-c)
12.5
12.5
12.5
12.5
oC/W
Thermal Resistance Junction-Ambient
R
th(j-a)
125
125
60
47
oC/W
Schematic Diagram & Equivalent Circuit
AX78XX Series Pin Assignment
Schematic Diagram
Equivalent Circuit
1 2
3
Tab
1 2
3
1
3
2
Starting
Circuit
Reference
Voltage
Current
Generator
Error
Amplifier
SOA
Protection
Thermal
Protection
Series
Pass
Element
Output
GND
Input
1
2
3
Tab
3-Lead Plastic TO-251
Package Code: I
Pin 1: VIN
Pin 2 & Tab: GND
Pin 3: VOUT
3-Lead Plastic TO-252
Package Code: J
Pin 1: VIN
Pin 2 & Tab: GND
Pin 3: VOUT
1 2
3
Tab
3-Lead Plastic SOT-82
Package Code: NE
Pin 1: VIN
Pin 2: GND
Pin 3: VOUT
3-Lead Plastic TO-220AB
Package Code: E
Pin 1: VIN
Pin 2 & Tab: GND
Pin 3: VOUT
VOUT
VIN


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