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SMRT28515TKR Datasheet(PDF) 11 Page - Crane Aerospace & Electronics. |
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SMRT28515TKR Datasheet(HTML) 11 Page - Crane Aerospace & Electronics. |
11 / 17 page Notes 1. Guaranteed by design, not tested. 2. Maximum power dissipation when all outputs are shorted simultaneously. 3. Measured from release of inhibit or input voltage step. 4. Efficiency measured with all outputs at full load. 5. Up to 800 mA is available from either auxiliary output provided the total auxiliary output power does not exceed 15 watts. 6. Half load to/from full load; Transition time ≥ 10 μs. 7. Converter should not be inhibited or operated below 19 Vin above 5x104 rads (Si) total dose. 8. If 3.3S model is trimmed to the high end of its range, then minimum Vin = 22 V. 9. 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. 10. 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. TRIPLE OUTPUT MODEL – SMRT283R315T 3.3 ±15 UNITS PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX OUTPUT VOLTAGE + VOUT 3.23 3.30 3.37 — — — 14.70 15.00 15.30 -14.48 -15.00 -15.53 VDC - VOUT OUTPUT CURRENT5, 10 — — 3 0 ±0.5 ±0.8 A OUTPUT POWER10 VIN = 19 TO 56 VDC 0 — 9 . 9 0 ±7.5 15 W OUTPUT RIPPLE 10 KHZ - 20 MHZ — — 200 — — 150 mV p-p LINE REGULATION VIN = 19 TO 50 VDC + VOUT — — 30 — — — — 5 30 — 10 70 mV - VOUT LOAD REGULATION NO LOAD TO FULL VIN = 19, 28, 50 VDC + VOUT — 5 40 — — — — 5 40 — 10 300 mV - VOUT TOTAL REGULATION ALL CONDITIONS OF LINE, LOAD, AGING, TEMP AND RADIATION 3.0 — 3.6 ±10.9 — ±13.1 V OUT INPUT VOLTAGE7, 8 CONTINUOUS 19 28 56 0 — 80 19 28 56 0 — 80 VDC V TRANSIENT 100 ms INPUT CURRENT INHIBITED7 — — 50 — — 110 — — 50 — — 110 mA NO LOAD INPUT RIPPLE CURRENT9 10 kHz - 20 MHz — 10 50 — 10 50 mA p-p EFFICIENCY4 68 — — 68 — — % LOAD FAULT POWER DISSIPATION2 — — 28 — — 28 W STEP LOAD RESPONSE6 TRANSIENT -450 — 450 — — 3 -450 — 450 — — 3 mV pk ms RECOVERY STEP LINE RESPONSE1 19 - 56 - 19 VIN TRANSIENT -500 — 500 — — 4 -750 — 750 — — 4 mV pk ms RECOVERY START-UP DELAY3 NO LOAD AND FULL — — 35 — 0 50 — — 25 — 0 150 ms mV pk OVERSHOOT3 CAPACITIVE LOAD1 UNCONDITIONALLY STABLE, START-UP DELAY INCREASED TC = 25°C — — 5000 — — 1000 μF Electrical Characteristics: -55°C to +125°C Tc, 28 VDC Vin, 100% load, unless otherwise specified. Crane Aerospace & Electronics Power Solutions www.craneae.com Page 11 of 17 Rev B – 20080213 SMRT Single, Dual and Triple DC/DC Converters 28 VOLT INPUT – 35 WATT |
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