Austin AS117TO39/XT Positive adjustable voltage regulator Datasheet

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PRELIMINARY SPECIFICATION
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Austin Semiconductor, Inc.
Positive Adjustable
Voltage Regulator
16 Pin CerPack Gullwing(GW16)
• SMD 5962-99517 pending
• Radiation Tolerant
• MIL-STD-883, 1.2.1 “QML” pending
FEATURES
• Guaranteed 0.5A Output Current
• Radiation Guaranteed to 100K RADS TID
• Adjustable output down to 1.2V
• Current Limit constant over temperature
• Output is short circuit protected
• 80Db Ripple Rejection
• Packages
16 pin Cerpack Gullwing
3 Lead Metal Can
• Process / Temperature Ranges
MILITARY (-55oC to +125oC)
MIL-STD-883 paragraph 1.2.1
MIL-STD-883 CLASS ‘S’
N/C
1
16
N/C
N/C
2
15
N/C
ADJ
3
14
N/C
N/C
4
13
OUTPUT/
SENSE
INPUT
5
12
OUTPUT
N/C
6
11
N/C
N/C
7
10
N/C
N/C
8
9
N/C
MARKINGS
GW16
TO39
3 Lead Metal Can (TO39)
(Bottom View)
/XT
/883
/SPACE
1
OUTPUT
GENERAL DESCRIPTION
The AS117 is an adjustable 3-terminal positive voltage
regulator capable of supplying in excess of .5A over a 1.2V to
37V output voltage range. It is exceptionally easy to use &
requires only 2 external resistors to set the output voltage.
Further, both line and load regulation are better than standard
fixed regulators.
In addition to higher performance than fixed regulators,
the AS117 offers full overload protection. Included on the chip
are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
The AS117 is radiation tolerant to 100K Rads(Si) total
dose levels as tested by MIL-STD-883 Method 1019 Condition
A. The user is encouraged to contact ASI for acopy of current
radiation testing reports.
AS117 RAD-TOL
Rev. 1.1 06/05
PIN ASSIGNMENT
(Top View)
AVAILABLE AS MILITARY / SPACE
SPECIFICATIONS
OPTIONS
AS117 RAD-TOL
3
2
INPUT
ADJUSTMENT
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please visit our web site at
www.austinsemiconductor.com
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PRELIMINARY SPECIFICATION
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Austin Semiconductor, Inc.
AS117 RAD-TOL
TYPICAL APPLICATIONS
Besides replacing fixed regulators, the AS117 is useful in a wide variety of other applications. Since the regulator is
“Floating” and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long
as the maximum input to output differential is not exceeded, (i.e., avoid short circuiting the output).
Also it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin & the output pin, the AS117 can be used as a precision current regulator.
Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the
output to 1.2V where most loads draw little current.
Normally no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors
in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The
adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard
3-terminal regulators.
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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PRELIMINARY SPECIFICATION
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Austin Semiconductor, Inc.
AS117 RAD-TOL
TYPICAL APPLICATIONS (CONTINUED)3
Typical Applications
(Continued)
High Current Adjustable Regulator
0
‡ Optional — improves ripple rejection
†Solid tantalum
*Minimum load current = 30 mA
Power Follower
0 to 30V Regulator
0
Full output current not available at high input-output voltages
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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Austin Semiconductor, Inc.
AS117 RAD-TOL
*Stresses greater than those listed under "Absolute Maximum
Operating Temperature Range ....................... -55C < Ta < +125C Ratings" may cause permanent damage to the device. This is
Maximum Junction Temperature ......................................... +150C a stress rating only and functional operation of the device at
Storage Temperature Range ........................... -65C < Ta < +150C these or any other conditions above those indicated in the
Lead Temperature (soldering for 10 sec) ............................ 300C operation section of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods
Input to Output Voltage Differential ............................+40V, -0.3V may affect reliability.
Power Dissipation ........................................... Internally Limited
Output Short Circuit Duration..................................................10 sec
Lead Temperature (Soldering, 10 sec).......................................300°C
ABSOLUTE MAXIMUM RATINGS(note 1)
Thermal Resistance:
Theta JA TO-03 Metal Can .........still air............186C/W
.......500LF/min air flow...... 64C/W
Theta JA 16Lead 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
1
2
3
4
5
6
7
8A
8B
Description
Static DC tests
Static DC tests
Static DC tests
Dynamic Tests
Dynamic Tests
Dynamic Tests
Functional Tests
Functional Tests
Functional Tests
TEMP(OC)
+25
+125
-55
+25
+125
-55
+25
+125
-55
RECOMMENDED OPERATING CONDITIONS:
OPERATING TEMPERATURE Range
INPUT VOLTAGE RANGE
AS117 RAD-TOL
Rev. 1.1 06/05
-55C < TA < 125c
4.25V to 41.25V
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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Austin Semiconductor, Inc.
AS117 RAD-TOL
Electrical Characteristics
DC PARAMETERS: (SEE NOTE 1)
SYMBOL
Vout
Vrline
Vrload
PARAMETER
Output Voltage
Line Regulation
Load Regulation
CONDITIONS
NOTES
PINNAME
MIN
MAX
UNIT
SUBGROUPS
Vin = 4.25V, Il = -5mA
1.2
1.3
V
1, 2,
3
Vin = 4.25V, Il = -500mA
1.2
1.3
V
1, 2,
3
Vin = 41.25V, Il = -5mA
1.2
1.3
V
1, 2,
3
Vin = 41.25V, Il = -50mA
1.2
1.3
V
1, 2,
3
4.25V < Vin < 41.25V, Il = -5mA
-9
9
mV
1
-23
23
mV
2, 3
Vin = 6.25V, -500mA < Il < -5mA
-12
12
mV
1, 2,
3
Vin = 41.25V, -50mA < Il < -5mA
-12
12
mV
1, 2,
3
Vrth
Thermal
Regulation
Vin = 14.6V, Il = -500mA
-12
12
mV
1
Iadj
Adjust Pin
Current
Vin = 4.25V, Il = -5mA
-100
-15
uA
1, 2,
3
Vin = 41.25V, Il = -5mA
-100
-15
uA
1, 2,
3
Delta
Iadj/Line
Adjust Pin
Current Change
4.25V < Vin < 41.25V, Il = -5mA
-5
5
uA
1, 2,
3
Delta
Iadj/Load
Adjust Pin
Current Change
Vin = 6.25V, -500mA < Il < -5mA
-5
5
uA
1, 2,
3
Iq
Minimum Load
Current
Vin = 4.25V, Forced Vout = 1.4V
-3
-0.5
mA
1, 2,
3
Vin = 14.25V, Forced Vout = 1.4V
-3
-0.5
mA
1, 2,
3
Vin = 41.25V, Forced Vout = 1.4V
-5
-1
mA
1, 2,
3
Vin = 4.25V
-1.8
-0.5
A
1, 2,
3
Vin = 40V
-0.5
-0.05
A
1, 2,
3
Vin = 4.25V, Rl = 2.5 Ohms, Cl = 20uF
1.2
1.3
V
1, 2,
3
Vin = 40V, Rl = 250 Ohms
1.2
1.3
V
1, 2,
3
1.2
1.3
V
2
Ios
Output Short
Circuit Current
Vout
(Recov)
Vout
Output Voltage
Recovery
Output Voltage
Recovery
AS117 RAD-TOL
Rev. 1.1 06/05
Vin = 6.25V, Il = -5mA
2
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Austin Semiconductor, Inc.
AS117 RAD-TOL
Electrical Characteristics
DC PARAMETERS: (SEE NOTE 1)
SYMBOL
Vstart
(Continued)
PARAMETER
CONDITIONS
NOTES
Voltage Start-Up
Vin = 4.25V, Rl = 2.5 Ohms, Cl = 20uF,
Il = -500mA
PINNAME
MIN
1.2
MAX
1.3
UNIT
SUBGROUPS
V
1, 2,
3
dB
4
AC PARAMETERS: (SEE NOTE 1)
Delta
Vin/Delta
Vout
Ripple Rejection
Vin = 6.25V, ei = 1Vrms at f = 2400Hz,
Il = -125mA
65
Vno
Output Noise
Voltage
Vin = 6.25V, Il = -50mA
120
uVrms 7
Delta
Vout/Delta
Vin
Line Transient
Response
Vin = 6.25V, Delta Vin = 3V,
Il = -10mA
6
mV/V 7
Delta
Vout/
Delta Il
Load Transient
Response
Vin = 6.25V, Delta Il = -200mA,
Il = -50mA
0.6
mV/mA 7
DC PARAMETERS: DRIFT VALUES
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: "Delta calculations performed on QMLV devices at group B, subgroup 5 ONLY."
Vout
Output Voltage
Vin = 4.25V, Il = -5mA
-0.01
0.01
V
1
Vin = 4.25V, Il = -500mA
-0.01
0.01
V
1
Vin = 41.25V, Il = -5mA
-0.01
0.01
V
1
Vin = 41.25V, Il = -50mA
-0.01
0.01
V
1
Vrline
Line Regulation
4.25V < Vin < 41.25V, Il = -5mA
-4
4
mV
1
Iadj
Adjust Pin
Current
Vin = 4.25V, Il = -5mA
-10
10
uA
1
Vin = 41.25V, Il = -5mA
-10
10
uA
1
Vin = 4.25V, Il = -5mA
1.2
1.350
V
1
Vin = 4.25V, Il = -500mA
1.2
1.350
V
1
Vin = 41.25V, Il = -5mA
1.2
1.350
V
1
Vin = 41.25V, Il = -50mA
1.2
1.350
V
1
25
mV
1
dB
4
AC/DC PARAMETERS: POST RADIATION LIMITS +25 C (SEE NOTE 1)
Vout
Output Voltage
Vrline
Line Regulation
4.25V < Vin < 41.25V, Il = -5mA
-25
Delta
Vin/Delta
Vout
Ripple Rejection
Vin = 6.25V, ei = 1Vrms at f = 2400Hz,
Il = -125mA
60
Vout
(Recov)
Output Voltage
Recovery
Vin = 4.25V, Rl = 2.5 Ohms, Cl = 20uS
1.20
1.350
V
1
Vin = 40V, Rl = 250 Ohms
1.20
1.350
V
1
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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PRELIMINARY SPECIFICATION
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Austin Semiconductor, Inc.
NOTE 1: Pre and Post irradiation limits are identical to
those listed under AC and DC electrical characteristics
except as listed in the Post Radiation Limits Table. These
parts may be dose rate sensitive in a space environement
and demonstrate ehnaced low dose rate effect. Radiation
end point limits fro the noted parameters are guaranteed
only for the conditions as specified in MIL-STD-883, Method
1019.5, Cond A.
AS117 RAD-TOL
NOTE 2: Tested at TA = 125C, correlated to TA = 150C.
Schematic Diagram
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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AS117 RAD-TOL
MECHANICAL DEFINITIONS*
ASI Case (Package Designator GW16)
SMD 5962-99517, Case Outline Z
MIL-STD-1835 outline drawing GDFP1-G16
0
D
R
E
E1
PIN 1
L
e
A
b
C
A
A1
b
C
D
E
E1
e
L
R
0
A1
Min Max
.050 .080
.004 .012
.015 .022
.004 .009
.228 .253
.400 .420
.235 .260
.050 BSC
.037 .043
.013 .017
0
7
Notes:
1. Lead Finish: Solder dipped with Sn 60 or Sn63 solder conforming to MIL-PRF-38535 to a min thickness
of 200 micro-inches. Solder may be applied over lead base metal or Sn plate. Max limit may be increased by
.003 inches after lead finish applied.
2. Lead 1 identification shall be:
a) A notch or other mark within this area.
b) a TAB on lead 1, either side.
*All measurements are in inches.
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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AS117 RAD-TOL
MECHANICAL DEFINITIONS*
ASI Case (Package Designator TO-39)
Mil Std 5962-99517 case X
3-Lead CAN TO-39 Case Outline
L
A
K2
F
L2
L1
b1
e1
D
3
2
e
D1
b
1
A1
k1
A
A1
b
b1
D
D1
e
e1
F
k
k1
K2
L
L1
L2
Ag
Min Max
.165 .195
.100 ---.016 .019
.016 .021
.335 .370
.305 .335
.200 BSC
.100 BSC
---- .050
.028 .034
.029 .045
.009 .041
.500 ------- .050
.250 ---45 T.P.
k
Ag
*All measurements are in inches.
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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AS117 RAD-TOL
ORDERING INFORMATION
EXAMPLE:
Device Number
AS117
EXAMPLE:
AS117PGW16/SPACE
RAD Level Package Type Process
P,R, or blank
GW16
/*
AS117RTO39/SPACE
Device Number
RAD Level
AS117
P,R or blank
Package Type Process
TO39
/*
+ RADIATION Levels:
BLANK = No Radiation Guarantee
P = 30K Rads(Si) Total Dose
R = 100K Rads(Si) Total Dose
*AVAILABLE PROCESSES:
XT = Extended Temperature Range
/883C = MIL-STD-883 paragraph 1.2.1
/SPACE = MIL-STD-883 para 1.2.1
-55oC to +125oC
-55oC to +125oC
-55oC to +125oC
NOTE: ASI supports Customer specified drawings (SCDs), please contact
your SALES or Factory Representative for information.
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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AS117 RAD-TOL
ASI TO DSCC PART NUMBER
CROSS REFERENCE
ASI PART NUMBER
DSCC PART NUMBER
DSCC part numbers pending , contact your ASI Sales or factory rep for
updated status. This will be updated in the near future to include the DSCC
part numbers as soon as ASI receives certification..
* ASI part number is for reference only. Orders received referencing the SMD part number will be processed per the SMD.
AS117 RAD-TOL
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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