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53262
SOLID STATE RELAY, 400VDC- 0.5A
OPTICALLY ISOLATED, SHORT CIRCUIT PROTECTED
Mii
MICROCIRCUITS DIVISION
Features: * SPST, Normally Open * 1000VDC Optical Isolated Control Input * Power MOSFET, Low On-state Resistance * Built-in Short Circuit Protection * Wide Operating Temperature Range * Non-hermetic Package DESCRIPTION
Applications: * COTS Military Applications * Gun Turret Controls * Motor or Solenoid Driver * Displays/Lamps/Controls * Industrial Automation
The 53262 Solid State Relay (SSR) is designed for applications in environment where hermeticity is not required. Its solid state "contact" is resistant to damage from shock and vibration. It is also immune to contact related problems (contamination, arcing, bouncing, etc.) associated with the electromechanical relays. Functionally, the device operates as a single-pole single-throw (SPST), normally open (1 Form A) unidirectional high-side or low-side switch. Using a 500VDC rated N-channel MOSFET as the switching device, the 53262 SSR offers low on-state resistance for lowering the power dissipation, which allows operation over the temperature range of -40C to +85C with minimal heat sinking. A built-in current sense circuit offers short circuit protection by turning off the MOSFET switch and allowing no current flow into the load. After the 53262 SSR tripped due to a short circuit load, the output latches in the off-state until its control input recycles. The control input is isolated from the load circuit using an optocoupler. This isolation barrier will eliminate the system ground loop noise of the application. The optocoupler employs a dual high efficiency LED input allowing TTL/CMOS logic to drive the solid state relay. The SSR is actuated by applying an input forward current of 5 to 10 mA to the LED's. The 53262 SSR has no moving parts and is enclosed in a non-hermetic package. ABSOLUTE MAXIMUM RATINGS (@ TC = 25C unless otherwise specified) Output Voltage Continuous Output Current @ TC = 85C Continuous Control Input Current Storage Temperature Range Operating Temperature Range Junction Temperature Lead Solder Temperature RECOMMENDED OPERATING CONDITIONS Parameter Output Voltage Continuous Output Current Control Input Current Operating Case Temperature Symbol VO (OFF) IO (ON) IF TC Min. 5 -40 Max. 400 0.5 10 85 Units VDC A mA C 400 VDC 1A 20 mA -65C to +150C -40C to +85C 150C 300C for 10 s
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 E-MAIL: hybridsales@micropac.com 05/16/2002 www.micropac.com
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53262 Short Circuit Protected Solid State Relay __________________________________________________________________________________________ ELECTRICAL SPECIFICATIONS TC = -40C to +85C, unless otherwise specified. Parameter INPUT CHARACTERISTICS Input Forward Voltage Input Reverse Breakdown Voltage OUTPUT CHARACTERISTICS Output On-Resistance R (ON) IO (OFF) tON tOFF tR tF ICL tCL ISC(PK) tSC 1.1 0.8 15 1.2 A ms ms ms ms A ms A s VO = 54 VDC RL = 12 Short-while-on @ TC = 25C RH 45%, t = 5 s VI-O = 1000 VDC TC = 25C 4 IF = 8 mA IO = 0.5 A Pulse width = 10 ms Duty cycle 10% 3& Figure 2 IF = 8 mA, IO = 0.5 A Pulse width = 10 ms Duty cycle 10% VF = 0.6 VDC VO = 400 VDC 6 VF VR 2.0 6 2.7 20 3.8 VDC VDC IF = 8 mA IR = 10 A 7 Symbol Min. Typ.* Max. Unit s Test Conditions Notes
Output Leakage Current Turn-On Time Turn-Off time Rise Time Fall Time Over-current Limit Over-current Trip Time Peak Short Circuit Current Short Circuit Shut Down Time COMMON CHARACTERISTICS Input-Output Leakage Current Thermal Resistance (junction-case) * Typical values are at TC = 25C
250 8 2 6 1 4.5 1 20 100
6
5&7
II-O JC

18.5
1
A C/W
1&2 7
Notes: 1. Input pins shorted together and output pins shorted together. 2. Input -output potential applied momentarily, not a steady state operating condition. 3. Rise time is measured from 10% to 90% of load current (90% to 10% of VO). Fall time is measured from 90% to 10% of load current (10% to 90% of VO). Guaranteed but not tested. 4. The minimum over-current limit occurs at Tc of 85C. The maximum over-current limit occurs at Tc of -40C. 5. Use 0.25 ohm sense resistor for monitoring the peak short circuit current. 6. The user should apply the appropriate transient suppression technique to the output terminals of the relay when the loads are inductive enough to generate voltage spikes. 7. Guaranteed but not tested.
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 E-MAIL: hybridsales@micropac.com 05/16/2002 www.micropac.com
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53262 Short Circuit Protected Solid State Relay ___________________________________________________________________________________________ Figure 1 - Block Diagram (Low-side Switch shown)
+V C R S R
+DC SUPPLY
LOAD
1
4
2
3
GND
OUTPUT GND
Figure 2 - Switching Test
ZO =50 PULSE t F = t R = 10ns GENERATOR V LOAD
RL 1 4 VO MONITOR CL = 25 pF
(INCLUDES PROBE AND FIXTURE CAPACITANCE)
I F MONITOR (100mV/mA)
2 100
3
50% IF
50%
VO
90% 10%
90% 10%
t
t ON
R
t OFF
t
F
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 E-MAIL: hybridsales@micropac.com 05/16/2002 www.micropac.com
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53262 Short Circuit Protected Solid State Relay Figure 3 - Typical Peak Short Circuit Current (short-while-on)
15 13 11 Current, A 9 7 5 3 1 -1-150 -100 -50 0 50 100 150 200 250
Time, microseconds
Figure 4 - Case Outline
1.75 1.500 2XO.166 THRU .40 (MAX)
.125
1.00 .400
(.80)
.10
.300
.850 .100
.200
.25 O.053 TYP
Figure 5 - Pin Assignment PIN 1 2 3 SYMBOL + IN - IN - OUT FUNCTION Control Input Control Input Return Output Return
4 + OUT Output Note: Dot indicates pin 1. Pins are numbered from left to right viewing from the top view.
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 E-MAIL: hybridsales@micropac.com 05/16/2002 www.micropac.com
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