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SMRT283.312TKF Datasheet(PDF) 8 Page - Crane Aerospace & Electronics. |
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SMRT283.312TKF Datasheet(HTML) 8 Page - Crane Aerospace & Electronics. |
8 / 17 page Electrical Characteristics: -55°C to +125°C Tc, 28 VDC Vin, 100% load, unless otherwise specified. Notes 1. Guaranteed by design, not tested. 2. Maximum power dissipation when output is shorted. 3. Measured from release of inhibit or input voltage step. 4. Minimum value pre-load on all outputs of 2% of full load should be used on all outputs at TID of 100k rads(Si) and greater to ensure tight regulation over full input voltage range. 5. Half load to/from full load; Transition time ≥ 10 μs. 6. Converter should not be inhibited or operated below 19 Vin above 5x104 rads (Si) total dose. 7. If 3.3S model is trimmed to the high end of its range, then minimum Vin = 22 V. 8. Converters meet MIL-STD-461 specification revisions for conducted emissions C-CE03 and D-/E-CE-102. The actual value of input ripple current is much less, the limit in the characteristic table is based on measurement resolution. SINGLE OUTPUT MODELS SMRT2812S SMRT2815S UNITS PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX OUTPUT VOLTAGE 11.76 12.00 12.24 14.70 15.00 15.30 VDC OUTPUT CURRENT4 — — 2.92 — — 2.33 A OUTPUT POWER4 VIN = 19 TO 56 VDC 0 — 35 0 — 35 W OUTPUT RIPPLE 10 KHZ - 20 MHZ — — 200 — — 180 mV p-p LINE REGULATION VIN = 19, 28, 50 VDC — 5 3 0 — 5 3 0 mV LOAD REGULATION — 5 4 0 — 5 4 0 mV TOTAL REGULATION ALL CONDITIONS OF LINE, LOAD, AGING, TEMP AND RADIATION 10.9 — 13.1 14.0 — 16.0 Vout INPUT VOLTAGE6, 7 CONTINUOUS 19 28 56 0 — 80 19 28 56 0 — 80 VDC V TRANSIENT 100 ms INPUT CURRENT INHIBITED6 — — 50 — — 110 — — 50 — — 110 mA NO LOAD INPUT RIPPLE CURRENT8 10 kHz - 20 MHz — 10 50 — 10 50 mA p-p EFFICIENCY 75 — — 75 — — % LOAD FAULT POWER DISSIPATION2 — — 20 — — 20 W STEP LOAD RESPONSE5 TRANSIENT -575 — 575 — — 3 -575 — 575 — — 3 mV pk ms RECOVERY STEP LINE RESPONSE1 19 - 56 - 19 VIN TRANSIENT -700 — 700 — — 4 -700 — 700 — — 4 mV pk ms RECOVERY START-UP DELAY3 NO LOAD AND FULL — — 25 — — 120 — — 25 — — 150 ms mV pk OVERSHOOT3 CAPACITIVE LOAD1 UNCONDITIONALLY STABLE, START-UP DELAY INCREASED TC = 25°C — — 5000 — — 5000 μF Crane Aerospace & Electronics Power Solutions www.craneae.com Page 8 of 17 Rev B – 20080213 SMRT Single, Dual and Triple DC/DC Converters 28 VOLT INPUT – 35 WATT |
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