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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 1 of 6
53217
SPST SOLID-STATE POWER CONTROLLERS
Mii
MICROCIRCUITS PRODUCTS
DIVISION
Features:
Short circuit protection with status output
SPST, normally open
Up to 1000 V RMS isolation
Output current up to 3 Amps DC
Power FET output
Low on-state resistance
Full military temperature operation:
-55C to +125C
Military environmental screening available
Applications:
Ideal for 270V bus applications
Aircraft Power Distribution
Military/High Reliability Systems
Satellite/Space Systems
DESCRIPTION
The 53217 is a military SPST high power, solid-state relay. It is a light-weight device resistant to damage from shock and
vibration, and immune to contact-related problems (contamination, arcing) associated with mechanical equivalents.
Transformer coupling between the input and output stages provides effective isolation up to 1000 V RMS. The Power FET
output eliminates bipolar offset and minimizes output voltage drop.
The control input may be driven by either CMOS or TTL logic, and the bias supply will accommodate 3.8 through 32 VDC.
(See figures 1 & 2)
Integral short-circuit protection with status output is provided. These units sense excessive current flow while under load or
while switching, and respond by opening the output. An open-collector status output is available to indicate that the short
circuit protection has been activated. The output will remain blocked indefinitely until the short is removed and the unit reset.
This feature prevents damage to the controller and also averts further system failures that may be caused by the short circuit.
Status line output remains on until the relay is turned off for resetting. Resetting the unit can be accomplished by recycling
the input control.
This device is available in a variety of quality levels from COTS to class K including any custom screening requirements.
The basic data sheet part is environmentally screened to H level in accordance with Table C-IX of MIL-PRF-38534, which
includes no element evaluation or QCI.
ABSOLUTE MAXIMUM RATINGS
Isolation voltage
1
.......................................................................................................................................................1000 V RMS
Continuous operating output voltage
3
: 53217................................................................................................................400 VDC
Load Current
2
: 53217 ...........................................................................................................................................................3.0 A
Bias supply voltage, V
DD
....................................................................................................................................... 3.8 to 32 VDC
Operating temperature ............................................................................................................................ -55C to +125C Case
Storage temperature ..........................................................................................................................................-55C to +125C
Notes:
1
60 Hz sine wave
2
At T
C
= 125C max
3
Reversing polarity on the output may cause permanent damage
4
Devices will not tolerate "short while on" at load voltages exceeding 28 VDC
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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 2 of 6
53217
SPST SOLID-STATE POWER CONTROLLERS
ELECTRICAL CHARACTERISTICS
T
A
= +25 C
PARAMETER TEST
CONDITIONS
MIN
TYP
MAX
UNITS
Input characteristics
CMOS configurations (Figure 1)
Bias supply range, V
DD
3.8
32
VDC
Bias current
3
5
mA
Input current
5 VDC Input
250
A
Control voltage range
3.8
18
VDC
Turn-off voltage
2.8
VDC
Turn-on voltage
0.5
VDC
Total Hysteresis
1.8
VDC
Dielectric strength
60 Hz
1000
V RMS
Input characteristics
TTL configuration (Figure 2)
Input current
3
5
mA
Control voltage range
3.8
32
VDC
Turn-off voltage
Note 5
1.5
VDC
Turn-on voltage
Note 5
3.8
VDC
Status on voltage
On at 5 mA SINKING CURRENT
0.4
Volts
Status off leakage
Off at 20 V
20
A
Output characteristics
Output current::
At T
C
= 125C case temperature
3.0
A
Continuous blocking voltage
400
VDC
On-state resistance, R
ds
25C Case
0.50
Ohms
Turn-on time @ 25C case
0.4
0.8
ms
Turn-off time @ 25C case
0.5
2.0
ms
Off-state leakage
At Maximum Blocking Voltage
40
100
A
Output Capacitance
700
pF
Short-circuit current
25C
6
A
Short-circuit peak
Shorted while on at 25C
See Figure 3
100
A
Junction temperature
150
C
Thermal resistance,
JA
JC
30
5
C/W
C/W
APPLICATION NOTES:
1. Maximum input switching frequency not to exceed 20 Hz under normal conditions, or 1 Hz if output is shorted.
2. Input transitions should be <1 ms and duration and input source should be "bounceless contact" type.
3. Inductive loads must be diode suppressed.
4. Peak current that may flow when output is shorted.
5. Devices will not tolerate "short while on" at load voltages exceeding 28 VDC.
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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 3 of 6
V
DD
STATUS
22
16 12
V
LOAD
CMOS
1
I
3
9
LOAD
250 A S O U R C E
53217
SPST SOLID-STATE POWER CONTROLLERS
Figure 1 CMOS Input Configuration
Figure 2 - TTL Open Collector Input Configuration (Low Side Switch)
V
DD
STATUS
22
16 12
V
LOAD
LOAD
1
TTL
3
9
I
5 mA SINK
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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 4 of 6
53217
SPST SOLID-STATE POWER CONTROLLERS
V
DD
R
L
V LOAD
FIGURE 3 - BLOCK DIAGRAM (HIGH SIDE SWITCH)
SIMULATION
CONTROL
GROUND
STATUS
SHORT
22 12
1
9
3 16
CONTROL
10 & 90%
t
ON
t
OFF
10%
10%
LOAD VOLTAGE
Figure 4 - SWITCHING CHARACTERISTICS
1 ms
MAX
90%
MAX
1 ms
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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 5 of 6
53217
SPST SOLID-STATE POWER CONTROLLERS
CONTROL
OFF
ON
ON
OFF
3 A
I
OUT
STATUS
OFF
ON
SIMULATED
SHORT
Figure 5 - TIMING DIAGRAM
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 PRODUCTS DIVISION
905 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 494-2281
www.micropac.com
E-MAIL:
hybridsales@micropac.com
8/12/02
Pg. 6 of 6
.735
(.060)
(1.390)
.240 MAX.
1.000
.600
.800
.200
TOL: .010
(BOTTOM VIEW)
.200
.400
22
16
3
1
12
9
1.450
1.750
2.100
.45 MIN.
.157
2 PLACES
.040, 6 PLACES
.795
53217
SPST SOLID-STATE POWER CONTROLLERS
Package Dimensions
IN FUNCTION
1 Control
3 GND
9 -OUT
12 +OUT
16 Status
22 V
DD
PDF 
ZIP