DESCRIPTION
The RAD HARD SGR117A 3-terminal positive adjustable
regulators have been designed to meet the most stringent
space and strategic level radiation requirements while meeting
the industry standard LM117A and LM117 electrical
specifications.
In addition to the features of the standard SGR117A, these
devices are capable of meeting the attached data sheet
electricals after the following radiation events:
TOTAL DOSE:
EXCEEDS 1 MEG RAD
NEUTRON FLUENCE:
5x10
12
N/cm
FEATURES
Full electrical performance after radiation exposure
1 MEG Rad Total Dose
5x10
12
N/cm
1% output voltage tolerance
0.01%/V line regulation
0.3% load regulation
Min. 1.5A output current
Available in TO-257 Package (Hermetic TO-220)
HIGH RELIABILITY FEATURES-SGR117A
Radiation data available
Available to MIL-STD-883
LMI level "S" processing available
SGR117A
ADVANCED DATA SHEET
RAD HARD 1.5 AMP THREE TERMINAL
ADJUSTABLE VOLTAGE REGULATOR
SCHEMATIC DIAGRAM
3/91 Rev 1.
3 10/02
L
INFINITY
Microelectronics Inc.
Copyright
1994
11861 Western Avenue
Garden Grove, CA 92841
1
(714) 898-8121
FAX: (714) 893-2570
SGR117A
3/91 Rev 1.
3 10/02
L
INFINITY
Microelectronics Inc.
Copyright
1994
11861 Western Avenue
Garden Grove, CA 92841
2
(714) 898-8121
FAX: (714) 893-2570
Power Dissipation .......................................
Input to Output Voltage Differential ..................................
Storage Temperature Range .........................
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Internally Limited
40V
-65
C to 150
C
Operating Junction Temperature
Hermetic (K, R, T, IG-Packages) ....................................
Lead Temperature (Soldering, 10 Seconds) ..............
150
C
300
C
Note 1. Exceeding these ratings could cause damage to the device.
THERMAL DATA
K Package:
Thermal Resistance-
Junction to Case
,
JC
................. 3.0C/W
Thermal Resistance-
Junction to Ambient
,
JA
.............. 35C/W
R Package:
Thermal Resistance-
Junction to Case
,
JC
................. 5.0C/W
Thermal Resistance-
Junction to Ambient
,
JA
............. 40C/W
T Package:
Thermal Resistance-
Junction to Case
,
JC
.................. 15C/W
Thermal Resistance-
Junction to Ambient
,
JA
........... 120C/W
IG Package:
Thermal Resistance-
Junction to Case
,
JC
................. 3.5C/W
Thermal Resistance-
Junction to Ambient
,
JA
............. 42C/W
Note A. Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
JA
).
Note B. The above numbers for
JC
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
JA
numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
Input Voltage Range ................................. (V
OUT
+ 3.5V) to 37V
Operating Junction Temperature Range
SGR117A ........................................................-55C to 150C
RECOMMENDED OPERATING CONDITIONS
(Note 2 & 3)
Units
SGR117A
Min.
Typ. Max.
Min.
Typ. Max.
SGR117A
Parameter
Test Conditions
I
OUT
= 10mA T
A
= 25C
3V
(V
IN
- V
OUT
)
40V, P
P
MAX
,
10mA
I
OUT
I
MAX
3V
(V
IN
- V
OUT
)
40V, I
L
= 10mA
T
A
= 25C
T
A
= T
MIN
to T
MAX
10mA
I
OUT
I
MAX
V
OUT
5V, T
A
= 25C
V
OUT
5V, T
A
= 25C
V
OUT
5V
V
OUT
5V
T
A
= 25C, 20ms pulse
V
OUT
= 10V, f =120Hz
C
ADJ
= 1
F, T
A
= 25C
C
ADJ
= 10
F
10mA
I
OUT
I
MAX
, 2.5V
(V
IN
- V
OUT
)
40V
Reference Voltage
Line Regulation
(Note 4)
Load Regulation
(Note 4)
Thermal Regulation
(Note 5)
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Note 2. Range over which the device is functional.
Note 3. These ratings are applicable for junction temperatures of less than 150C.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SGR117 with -55C
T
A
125C, V
IN
- V
OUT
=
5.0V, and for I
OUT
= 500mA (K and IG), and I
OUT
= 100mA (T package). Although power dissipation is internally limited, these specifications are applicable
for power dissipations of 2W for the T package, and 20W for the K and IG packages. I
MAX
is 1.5A for the K and IG packages and 500mA for the T package.
Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
PRE RAD
POST NEUTRON
5 x 10 N/cm
1.220
1.220
66
1.262
1.270
0.01
0.02
15
0.3
50
1
0.02
100
5
1.238
1.225
66
1.250
1.250
0.005
0.01
5
0.1
20
0.3
0.002
65
80
50
0.2
1.25
0.01
0.02
5
0.1
20
0.3
0.03
65
80
50
0.2
1.275
1.275
0.03
0.05
50
1
50
1
0.07
100
8
V
V
%/V
%/V
mV
%
mV
%
%/W
dB
dB
A
A
SGR117A
3/91 Rev 1.
3 10/02
L
INFINITY
Microelectronics Inc.
Copyright
1994
11861 Western Avenue
Garden Grove, CA 92841
3
(714) 898-8121
FAX: (714) 893-2570
ELECTRICAL CHARACTERISTICS
(continued)
PRE RAD
POST NEUTRON
5 x 10 N/cm
Units
SGR117A
Min.
Typ. Max.
Min.
Typ. Max.
SGR117A
(V
IN
- V
OUT
) = 40V
(V
IN
- V
OUT
)
15V
K, R, IG Packages
T Package
(V
IN
- V
OUT
) = 40V, T
J
= 25C
K, R, IG Packages
T Package
T
A
= 125C, 1000 Hours
T
A
= 25C,
10Hz
f
10 KHz
(Note 5)
1.5
0.5
0.3
0.15
3.5
2.2
0.8
0.4
0.2
8
mA
A
A
A
A
%
%
%
Minimum Load Current
Current Limit
Temperature Stability
(Note 5)
Long Term Stability
(Note 5)
RMS Output Noise (% of V
OUT
)
Test Conditions
Parameter
1.5
0.5
0.3
0.15
3.5
2.2
0.8
0.4
0.2
1
0.3
0.001
5
2
1
Note 4. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to
heating effects are covered under the specification for thermal regulation.
Note 5. These parameters, although guaranteed, are not tested in production.
CONNECTION DIAGRAMS & ORDERING INFORMATION
(See Notes Below)
Ambient
Temperature Range
Part No.
Package
Connection Diagram
3-TERMINAL TO-3
METAL CAN
K-PACKAGE
SGR117AK
-55C to 125C
SGR117AK/883B
-55C to 125C
2
1
ADJUSTMENT
CASE IS V
OUT
V
IN
3-TERMINAL TO-66
METAL CAN
R-PACKAGE
SGR117AR
-55C to 125C
SGR117AR/883B
-55C to 125C
1
2
ADJUSTMENT
CASE IS V
OUT
V
IN
3-PIN TO-39 METAL CAN
T-PACKAGE
SGR117AT
-55C to 125C
SGR117AT/883B
-55C to 125C
3-PIN HERMETIC TO-257
IG-PACKAGE (Isolated)
SGR117AIG/883B -55C to 125C
SGR117AIG
-55C to 125C
V
IN
V
OUT
ADJUST
V
OUT
ADJUST
3
2
1
V
IN
CASE IS V
OUT
Note 1. Contact factory for JAN and DESC product availability.
2. All parts are viewed from the top.
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