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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 5x1012 N/cm
FEATURES
* Full electrical performance after radiation exposure 1 MEG Rad Total Dose 5x1012 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
SCHEMATIC DIAGRAM
3/91 Rev 1.2 1/95
Copyright (c) 1994
1
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.
SGR117A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Power Dissipation ....................................... Internally Limited Input to Output Voltage Differential .................................. 40V Storage Temperature Range ......................... -65C to 150C
Note 1. Exceeding these ratings could cause damage to the device.
Operating Junction Temperature Hermetic (K, R, T, IG-Packages) .................................... 150C Lead Temperature (Soldering, 10 Seconds) .............. 300C
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: TJ = TA + (PD x JA). Note B. The above numbers for JC are maximums for the limiting
thermal resistance of the package in a standard mounting configuration. The JA numbers are meant to be guidelines for the thermal performance of the device/pcboard system. All of the above assume no ambient airflow.
RECOMMENDED OPERATING CONDITIONS (Note 2 & 3)
Input Voltage Range ................................. (VOUT + 3.5V) to 37V Operating Junction Temperature Range SGR117A ........................................................-55C to 150C
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 TA 125C, VIN - VOUT = 5.0V, and for IOUT = 500mA (K and IG), and IOUT = 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. IMAX 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 IOUT = 10mA TA = 25C 3V (VIN - VOUT) 40V, P PMAX, 10mA IOUT IMAX 3V (VIN - VOUT) 40V, IL = 10mA TA = 25C TA = TMIN to TMAX 10mA IOUT IMAX VOUT 5V, TA = 25C VOUT 5V, TA = 25C VOUT 5V VOUT 5V TA = 25C, 20ms pulse VOUT = 10V, f =120Hz CADJ = 1F, TA = 25C CADJ = 10F 10mA IOUT IMAX , 2.5V (VIN - VOUT) 40V
POST NEUTRON 5 x 10 N/cm 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
Units V V %/V %/V mV % mV % %/W dB dB A A
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 (c) 1994
2
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.
SGR117A
ELECTRICAL CHARACTERISTICS (continued)
PRE RAD Parameter Minimum Load Current Current Limit Test Conditions (VIN - VOUT) = 40V (VIN - VOUT) 15V K, R, IG Packages T Package (VIN - VOUT) = 40V, TJ = 25C K, R, IG Packages T Package TA = 125C, 1000 Hours TA = 25C, 10Hz f 10 KHz (Note 5) POST NEUTRON 5 x 10 N/cm 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 VOUT)
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 -55C to 125C -55C to 125C
Connection Diagram
ADJUSTMENT
1
2 CASE IS V OUT VIN
3-TERMINAL TO-66 METAL CAN R-PACKAGE
SGR117AR SGR117AR/883B
-55C to 125C -55C to 125C
ADJUSTMENT
1 2 CASE IS VOUT VIN
3-PIN TO-39 METAL CAN T-PACKAGE
SGR117AT SGR117AT/883B
-55C to 125C -55C to 125C
VIN ADJUST 1 2 3 VOUT
CASE IS VOUT
3-PIN HERMETIC TO-257 IG-PACKAGE (Isolated)
SGR117AIG/883B -55C to 125C SGR117AIG -55C to 125C
VIN VOUT 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 (c) 1994
3
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.

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