SGR117A
ADVANCED DATA SHEET
RAD HARD 1.5 AMP THREE TERMINAL
ADJUSTABLE VOLTAGE REGULATOR
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:
NEUTRON FLUENCE:
EXCEEDS 1 MEG RAD
5x10 N/cm²
12
FEATURES
•
Full electrical performance after radiation exposure
1 MEG Rad Total Dose
5x10
12
N/cm²
•
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
SCHEMATIC DIAGRAM
3/91 Rev 1.2 1/95
Copyright
©
1994
1
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
L
INFINITY
Microelectronics Inc.
SGR117A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Power Dissipation ....................................... Internally Limited
Input to Output Voltage Differential .................................. 40V
Storage Temperature Range ......................... -65°C to 150°C
Note 1. Exceeding these ratings could cause damage to the device.
Operating Junction Temperature
Hermetic (K, R, T, IG-Packages) ....................................
150°C
Lead Temperature (Soldering, 10 Seconds) .............. 300°C
THERMAL DATA
K Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................. 3.0°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 35°C/W
R Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................. 5.0°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 40°C/W
T Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 15°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
........... 120°C/W
IG Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................. 3.5°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 42°C/W
Note A. Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
Note B. The above numbers for
θ
JC
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
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.
RECOMMENDED OPERATING CONDITIONS
(Note 2 & 3)
Input Voltage Range ................................. (V
OUT
+ 3.5V) to 37V
Operating Junction Temperature Range
SGR117A ........................................................-55°C to 150°C
Note 2. Range over which the device is functional.
Note 3. These ratings are applicable for junction temperatures of less than 150°C.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SGR117 with -55°C
≤
T
A
≤
125°C, 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.)
Parameter
Reference Voltage
Test Conditions
I
OUT
= 10mA T
A
= 25°C
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
= 25°C
T
A
= T
MIN
to T
MAX
10mA
≤
I
OUT
≤
I
MAX
V
OUT
≤
5V, T
A
= 25°C
V
OUT
≥
5V, T
A
= 25°C
V
OUT
≤
5V
V
OUT
≥
5V
T
A
= 25°C, 20ms pulse
V
OUT
= 10V, f =120Hz
C
ADJ
= 1µF, T
A
= 25°C
C
ADJ
= 10µF
10mA
≤
I
OUT
≤
I
MAX
, 2.5V
≤
(V
IN
- V
OUT
)
≤
40V
PRE RAD
SGR117A
SGR117A
Min. Typ. Max. Min. Typ. Max.
1.238 1.250 1.262 1.220
1.275
1.225 1.250 1.270 1.220 1.25 1.275
0.005 0.01
0.01 0.02
5
15
0.1
0.3
20
50
0.3
1
0.002 0.02
65
80
50
0.2
0.01
0.02
5
0.1
20
0.3
0.03
65
80
50
0.2
0.03
0.05
50
1
50
1
0.07
POST NEUTRON
5 x 10¹² N/cm²
Units
V
V
%/V
%/V
mV
%
mV
%
%/W
dB
dB
µA
µA
Line Regulation
(Note 4)
Load Regulation
(Note 4)
Thermal Regulation
(Note 5)
Ripple Rejection
66
66
100
5
Adjust Pin Current
Adjust Pin Current Change
100
8
3/91 Rev 1.2 1/95
Copyright
©
1994
2
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
L
INFINITY
Microelectronics Inc.
SGR117A
ELECTRICAL CHARACTERISTICS
(continued)
PRE RAD
Parameter
Minimum Load Current
Current Limit
Test Conditions
(V
IN
- V
OUT
) = 40V
(V
IN
- V
OUT
)
≤
15V
K, R, IG Packages
T Package
(V
IN
- V
OUT
) = 40V, T
J
= 25°C
K, R, IG Packages
T Package
T
A
= 125°C, 1000 Hours
T
A
= 25°C, 10Hz
≤
f
≤
10 KHz
(Note 5)
POST NEUTRON
5 x 10¹² N/cm²
Units
mA
A
A
A
A
%
%
%
SGR117A
SGR117A
Min. Typ. Max. Min. Typ. Max.
3.5
5
3.5
8
1.5
0.5
0.3
0.15
2.2
0.8
0.4
0.2
1
0.3
0.001
1.5
0.5
0.3
0.15
2
1
2.2
0.8
0.4
0.2
Temperature Stability
(Note 5)
Long Term Stability
(Note 5)
RMS Output Noise (% of V
OUT
)
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
Package
3-TERMINAL TO-3
METAL CAN
K-PACKAGE
(See Notes Below)
Part No.
SGR117AK
SGR117AK/883B
Ambient
Temperature Range
-55°C to 125°C
-55°C to 125°C
Connection Diagram
ADJUSTMENT
1
2
CASE IS V
OUT
V
IN
3-TERMINAL TO-66
METAL CAN
R-PACKAGE
SGR117AR
SGR117AR/883B
-55°C to 125°C
-55°C to 125°C
ADJUSTMENT
1
2
CASE IS V
OUT
V
IN
3-PIN TO-39 METAL CAN
T-PACKAGE
SGR117AT
SGR117AT/883B
-55°C to 125°C
-55°C to 125°C
V
IN
ADJUST
1
2
3
V
OUT
CASE IS V
OUT
3-PIN HERMETIC TO-257
IG-PACKAGE (Isolated)
SGR117AIG/883B -55°C to 125°C
SGR117AIG
-55°C to 125°C
V
IN
V
OUT
ADJUST
(TAB IS V
OUT
)
FOR G-PACKAGE ONLY
Note 1. Contact factory for JAN and DESC product availability.
2. All parts are viewed from the top.
3/91 Rev 1.2 1/95
Copyright
©
1994
3
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
L
INFINITY
Microelectronics Inc.
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