53253
RADIATION TOLERANT, 90V - 0.8A
DUAL POWER MOSFET OPTOCOUPLERS
Mii
MICROCIRCUITS DIVISION
Features:
Designed for 100 krad(Si) Total Dose
8-Pin Dual-In-Line Hermetic Package
Performance over –55°C to +125°C
Compact Isolation Solid State Switches
Continuous Output Current: 0.8 A
(1)
Optically Coupled between Input and Output
Isolation Tested to 1000 VDC
High Level of Transient Immunity
3 A Output Surge Current
Shock and Vibration Resistant
MIL-PRF-38534 screening optional
Applications:
Satellite/Space systems
Military/High Reliability Systems
Standard 28 VDC and 48 VDC Load Driver
Aircraft Controls
Electromechanical and Solid State Relay
Replacement
I/O Modules
Switching Heaters
Isolation
Power Distribution
Switching Electromechanical Relays
DESCRIPTION
The 53253 is two power MOSFET optocouplers in a single 8-pin dual-in-line package suitable for applications where
two independent switches and radiation tolerant performance are required. The popular hermetic eight-pin dual-in-line
ceramic package combined with 1000 VDC isolation between input and output and between two isolated relays,
makes this device ideal for solid-state relay applications. Performance is specified over the full military temperature
range. This device is available as COTS, or screened to MIL-PRF-38534, Table C-IX, Class H or custom screening.
Lead options support both through-hole and surface-mount assembly. Gold plated leads are standard, but other lead
finishes per MIL-PRF-38534 are also available.
Functionally, the device operates as two SPST, normally open (2 Form A) solid-state relays. Each relay is actuated by
an input current, which can be driven from a standard TTL device. The input current biases a light emitting diode that is
optically coupled to an integrated photovoltaic diode array. The photovoltaic diode array energizes control circuitry that
operates the output MOSFET.
RADIATION TOLERANT
This device contains radiation hardened components and/or other features that provide a level of radiation tolerance.
Micropac does not guarantee any level of radiation hardness. Specific lot testing is required to determine the level of
radiation hardness. Micropac does not offer this device as compliant to Appendix G (RHA Requirements) of MIL-PRF-
38534.
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. MICROCIRCUITS DIVISION
905 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 494-2281
www.micropac.com
E-MAIL:
microsales@micropac.com
3/8/07 Rev C
Pg. 1 of 7
53253
ABSOLUTE MAXIMUM RATINGS:
(Per relay unless otherwise noted)
Radiation Tolerant Dual Power MOSFET Optocouplers
Storage Temperature Range ..………………………………………………………….........………........... -65°C to +150°C
Operating Ambient Temperature - T
A
...................……………………………………………….…....….. -55°C to +125°C
Junction Temperature - T
J
..............................……………………………………………………...…..….........…. +150°C
Lead Solder Temperature for 10 seconds ..…….............………………………………………....…...….............. +260°C
(1.6 mm below seating plane)
Average Input Current - I
F
....................…...……………………………………………………….......................... 20 mA
Peak Repetitive Input Current - I
Fpk
.............……………………………………...…………..………...................... 40 mA
(pulse width < 100 ms; duty cycle < 50%)
Peak Surge Input Current - I
Fpk
surge .............…………………………………..……………………................... 100 mA
(pulse width < 0.2 ms; duty cycle < 0.1%)
Continuous Output Current per relay - I
O
...…………………………………....………..............................…....... 0.8 A
(1)
Single Shot Output Current per relay- I
Opk
surge (pulse width < 10 ms) ………..……………..…...………………...... 3 A
Output Voltage - V
O
............................…...………………………………………….……………….…….............. 90 VDC
RECOMMENDED OPERATING CONDITIONS:
Parameter
Input Current (ON)
Input Voltage (OFF)
Operating Temperature
Symbol
I
F (ON)
V
F (OFF)
T
A
Min.
5
0
-55
Max.
20
0.6
+125
Units
mA
VDC
°
C
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. MICROCIRCUITS DIVISION
905 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 494-2281
www.micropac.com
E-MAIL:
microsales@micropac.com
3/8/07 Rev C
Pg. 2 of 7
53253
ELECTRICAL SPECIFICATIONS (Pre-Irradiation)
T
A
= -55°C to +125°C, unless otherwise specified.
Parameter
Symbol
Min.
Radiation Tolerant Dual Power MOSFET Optocouplers
Typ.*
Max.
Unit
s
V
Test Conditions
V
F
= 0.6 V
I
O
= 10
A
I
F
= 10 mA
I
O
= 0.8 A
pulse duration
30 ms
duty cycle < 10%
V
F
= 0.6 V
V
O
= 90 V
I
F
= 10 mA
I
F
= 10
A
RH
45%, t = 5 s
Notes
Output Withstand Voltage
V
O(OFF)
90
Output On-Resistance
R
(ON)
0.6
1.2
2
Output Leakage Current
Input Forward Voltage
Input Reverse Breakdown
Voltage
Input-Output Isolation
I
O (OFF)
V
F
V
R
1.0
5
1.6
10
2.1
A
V
V
I
I-O
1
A
V
I-O
= 1000 VDC
T
A
= 25°C
RH
45%, t = 5 s
3
Channel-channel Isolation
I
ISO
1
A
V
ISO
= 1000 VDC
T
A
= 25°C
I
F
= 10 mA
V
O
= 28 V
I
O
= 0.8 A
duty cycle < 10%
I
F
= 10 mA
V
O
= 28 V
I
O
= 0.8 A
3
Turn-On Time
t
ON
6
ms
2
Turn-Off time
t
OFF
2
ms
2
duty cycle < 10%
* All typical values are at T
A
= 25°C, I
F (ON)
= 10 mA, V
F (OFF)
= 0.6 V unless otherwise specified.
Notes:
1.
2.
3.
4.
Maximum average current rating where the case temperature (T
C
) is maintained below 120°C.
During the pulsed R
ON
measurement (I
O
duration < 30 ms), ambient (T
A
) and case temperature (T
C
) are equal.
This is a momentary withstand test, not a continuous operating condition.
Typical junction to case thermal resistance (
JC
) for the device is 15°C/W, where case temperature (T
C
) is
measured at the center of the package bottom.
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. MICROCIRCUITS DIVISION
905 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 494-2281
www.micropac.com
E-MAIL:
microsales@micropac.com
3/8/07 Rev C
Pg. 3 of 7
CAUTION:
Care should be taken not to exceed the maximum output power dissipation, maximum case temperature, and
maximum junction temperature when repetitively switching loads.
Radiation Tolerant Dual Power MOSFET Optocouplers
53253
Case Outlines
Terminal number
1
2
3
4
5
6
7
8
P, X, Y
Terminal symbol
+
-
-
+
+
-
-
+
IN 1
IN 1
OUT 2
OUT 2
IN 2
IN 2
OUT 1
OUT 1
1
8
2
7
3
6
4
5
FIGURE 2. Terminal Connections
Input
OFF
ON
Output
OFF
ON
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. MICROCIRCUITS DIVISION
905 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 494-2281
www.micropac.com
E-MAIL:
microsales@micropac.com
3/8/07 Rev C
Pg. 4 of 7
FIGURE 3. Truth Table
53253
Radiation Tolerant Dual Power MOSFET Optocouplers
Case Outlines
CASE OUTLINE P
31757 USA
ESD
SYMBOL
.320 (8.13)
MAX.
.310 (7.87)
.290 (7.37)
PIN 1
.050 (1.27)
.035 (0.89)
.390 (9.91)
.370 (9.41)
.170 (4.32)
MAX.
.110 (2.79)
.090 (2.29)
.020 (0.51)
MAX.
CASE OUTLINE X
.050 (1.27)
.035 (0.89)
.390 (9.91)
.370 (9.41)
.170 (4.32)
MAX.
.320 (8.13)
MAX
.180 (4.57)
MAX
.110 (2.79)
.090 (2.29)
.020 (.051)
MAX.
.047 (1.19)
TYP
.390 (9.91)
.380 (7.87)
SEATING
PLANE
Micropac Industries
cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac
reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. MICROCIRCUITS DIVISION
905 E. Walnut St., Garland, TX 75040
(972) 272-3571
Fax (972) 494-2281
www.micropac.com
E-MAIL:
microsales@micropac.com
3/8/07 Rev C
Pg. 5 of 7
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