? 2002 teledyne relays (800) 284-7007 ? www.teledynerelays.com LPBD100 29 LPBD100\072002\q1 250ma, 100vdc normally closed dual relay features/benefits ? compact sip plastic package ? dual output: two relays in one package ? normally closed output ? low voltage drop description the LPBD100 is a dual-output 100vdc plastic relay. the relay output-switch contacts are normally closed and will conduct the load current until a voltage is applied to the relay input. with 4 volts or more at the relay input, the output-switch contacts open and the relay no longer conducts. the LPBD100 assembly contains two independent relays, completely isolated from each other, in a single in-line package (sip). the relays provide optical isolation between input and output terminals. each relay output circuit uses a pair of depletion-mode mosfets for reliable operation. applications ? interface applications ? aircraft flight control systems ? a.t.e ? 28vdc aircraft instrumentation systems series LPBD100 part number description LPBD100 .25a, 100vdc dual solid-state relay input (control) specifications min max units control voltage range 4.0 7.0 vdc (see note 1) input current @ 5 vdc (see figure 2) 12 madc must turn-on voltage 0.8 vdc must turn-off voltage 4.0 vdc must turn-on current 50 adc reverse voltage 7 vdc 012345678 14 12 10 8 6 4 2 0 input current (ma) input voltage (vdc) mechanical specification figure 1 C LPBD100 relay; dimensions in inches (mm) input current vs. voltage figure 2 0.79 (20.07) 0.370 max (9.398) 0.020 min (0.508) 0.180 min (4.572) 0.700 (17.78) LPBD100 teledyne + relay a + in out - + - out in - + - relay b 0.025 ( .100 .005 (2.54 0.127) 0.045 .005 (1.143 0.127) 0.025 .003 (0.635 0.0762) .003) (0.6035 .076) 0.140 .005 (3.556 0.127) weight: 0.07 oz. (2g) 0.330 .005 (8.382 0.127) typical wiring diagram figure 3 + relay a + in out C +C out in C +C relay b pin 1 2345678 +v +v load a load b v supply 24C48 vdc typical +5vdc
LPBD100 30 specifications are subject to change without notice ? 2002 teledyne relays LPBD100\072002\q1 series LPBD100 notes: 1. for input voltages greater than 7 volts, use an external resistor in series with the relay input. rext. = (vin?7 vdc)/0.012 amps 2. unless otherwise specified: conformance testing is at room temperature; the input voltage is 5vdc or zero volts as required; the output load is 48vdc, 0.25 amp. 3. relay input voltage transitions should be less than 1.0 millisecond. 4. maximum load current ratings are with the relay in free air and soldered to a printed circuit board. 5. timing is measured from the input voltage transition to the 10% or 90% point on the output voltage off-to-on or on-to-off transition. rise and fall times are from the 10% to 90% points on the output voltage transition. environmental specification min max units operating temperature ?40 +85 c storage temperature ?55 +100 c junction temperature 125 c thermal resistance (junction to ambient) each relay 120 c/w shock 1500 g v ibration 100 g dielectric strength 500 vac insulation resistance (@500 vdc) 10 9 ohm input to output capacitance 5 pf resistance to soldering heat mil std 202, method 210 solderability mil std 202, method 208 thermal shock mil std 202, method 107 altitude 55,000 ft hast jdec test method a110 130 c 85% rh, no power applied, 50 hours functional block diagram figure 6 load current vs. ambient temperature figure 5 0.3 0.25 0.2 0.15 0.1 0.05 0 ?40 ?20 0 20 40 60 80 100 120 ambient temperature (c) load current (a) output (load) specification min max units load voltage rating 100 vdc load current range (see figure 5) 0.25 adc t ransient blocking voltage 200 vdc output capacitance@ 25vdc 120 pf on-state voltage drop (see figure 4) 1.25 vdc on resistance 5.0 ohm off-state leakage current (100 vdc) 10 adc t urn-on time 0.5 ms t urn-off time 2.5 ms resistor/led input optical isolation turn-on timing circuit output switch depletion mode mosfets +in ?in +out ?out output current vs. voltage drop figure 4 350 300 250 200 150 100 50 0 0 0.2 0.4 0.6 0.8 1 output voltage drop (v) output current (ma)
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