POS Adj Voltage
PRELIMINARY SPECIFICATION
Regulator
AS117 RAD-TOL
Austin Semiconductor, Inc.
*Stresses greater than those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
these or any other conditions above those indicated in the
operation section of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods
may affect reliability.
ABSOLUTE MAXIMUM RATINGS(note 1)
Operating Temperature Range ....................... -55C < Ta < +125C
Maximum JunctionTemperature ......................................... +150C
Storage Temperature Range ........................... -65C <Ta < +150C
Lead Temperature (soldering for 10 sec) ............................ 300C
Input to OutputVoltage Differential ............................+40V, -0.3V
Power Dissipation ........................................... Internally Limited
Output Short Circuit Duration..................................................10 sec
LeadTemperature (Soldering, 10 sec).......................................300°C
Thermal Resistance:
Theta JATO-03 Metal Can .........still air............186C/W
.......500LF/min air flow...... 64C/W
Theta JA16Lead Gullwing ....still air............... 115C/W
.......500LF/min air flow....... 66C/W
Theta JC TO-03 Metal Can .....still air.............. 21C/W
Theta JC 16Lead Gullwing .....still air............... 3.4C/W
-(see note 3)
Package Weight:
16 Lead Cerpack Gullwing ................................ 380mg
3 Lead Metal Can ............................................... 950mg
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for
which the device is functional , but do not guarantee specific performance limits. For guaranteed Specs & Test conditions, see Electrical
Characteristics section.
Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by Tjmax(max Junction temp), ThetaJA
(package junction to ambient thermal resistance), and TA(ambient temp). The maximum allowable power dissipation at any temperature is
Pdmax (Tjmax - TA)/ThetaJA or the number given in the Absolute Maximum Rating, whichever is lower.
Note 3: For the Ceramic 16lead gullwing, device to function properly, the “OUTPUT” and “OUTPUT/SENSE” pins must be connected on the
users printed circuit board.
(The following Table applies to the Subgroup column in the Electrical Characteristics Tables)
SUBGROUP
Description
TEMP(OC)
+25
1
2
3
4
5
6
7
8A
8B
Static DC tests
Static DC tests
Static DC tests
Dynamic Tests
Dynamic Tests
Dynamic Tests
Functional Tests
Functional Tests
Functional Tests
+125
-55
+25
+125
-55
+25
+125
-55
RECOMMENDED OPERATING CONDITIONS:
OPERATING TEMPERATURE Range
INPUT VOLTAGE RANGE
-55C < TA < 125c
4.25V to 41.25V
AS117 RAD-TOL
Rev. 1.1 06/05
AustinSemiconductor,Inc.reservestherighttochangeproductsorspecificationswithoutnotice.
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