SMQ300PS18-C中文资料

A C -D

C

300/400 Watts ?High Power Density ?High Peak Load Rating ?DC OK

?Remote On/Off ?Universal Input

?Single Outputs from 12.0 V to 54.0 V ?

Internal Fan

SMQ Series

Input

Input Voltage ?90-264 VAC (120-370 VDC)Input Frequency ?47-63 Hz

Input Current

? 5.00 A at 90 VAC (SMQ300),6.35 A at 90 VAC (SMQ400)

Inrush Current ?35 A max at 230 VAC Power Factor ?0.99 typical

Earth Leakage Current ?<2.5 mA at 230 VAC/50Hz

<1.5 mA at 115 VAC/60Hz

Output

Output Voltage

?12 to 54 VDC - see table Output Voltage Trim ?See table

Minimum Load ?No minimum load required Start Up Delay ? 2.5 s typical at 120 VAC

Hold Up Time ?20 ms minimum at 120 VAC & 80% load Line Regulation ?±1%Load Regulation ?±1%

Transient Response

?

5% max. deviation, recovery to within 1% in 500 μs for a 50% load change Ripple & Noise ?1% pk-pk, 20 MHz BW

Overvoltage Protection ?115-130% Vnom, recycle input to reset Overcurrent Protection ?120-150% of nominal current, auto recovery

Overtemperature ?

Unit shuts down, auto recovery

Protection Remote Sense ?Compensates for up to 0.5 V drop Remote On/Off

?On = TTL Logic High or Open circuit Off = TTL Logic Low or Short circuit

https://www.wendangku.net/doc/8813920543.html,

General

Efficiency ?80% typical

Isolation

?3000 VAC Input to Output,1500 VAC Input to Ground,250 VDC Output to Ground Switching Frequency ?60 kHz typical for PFC stage,30 kHz typical for main converter

Power Density ? 4.7 W/In 3(SMQ300), 6.25 W/In 3(SMQ400)Signals ?DC OK, TTL HIGH within 100-500 ms LOW 1 ms before loss of regulation MTBF

?138 kHrs per MIL-HDBK-217F

Environmental

Operating Temperature ?0 ?C to +70 ?C, derate linearly from

100% at +50 ?C to 50% at +70 ?C

Cooling ?Via internal fan Operating Humidity ?5-90% RH, non-condensing Storage Temperature ?-20 ?C to +85 ?C Shock ?15 g (non-operation), 11 ms half

sine-wave, 3 times for each axis

Vibration ?10 Hz - 55 Hz (non-operation) 2 g,

sweep time 3 mins, 60 mins/axis

EMC & Safety

Emissions

?EN55022 and FCC Part 15, level B conducted Harmonic Currents ?EN61000-3-2Voltage Flicker ?EN61000-3-3

ESD Immunity ?EN61000-4-2, level 2 contact, level 3 air,Perf Criteria A

Radiated Immunity ?EN61000-4-3, 3 V/m, Perf Criteria A EFT/Burst ?EN61000-4-4, level 2, Perf Criteria A Surge

?EN61000-4-5, level 3, Perf Criteria A Conducted Immunity ?EN61000-4-6, level 2, Perf Criteria A

Dips & Interruptions ?EN61000-4-11, 30% 10 ms, 60% 100 ms,100% 5000 ms Perf Criteria A, B, B Safety Approvals

?UL60950, CSA C22.2 No.60950, EN60950, CE Mark LVD

AC-DC

2. Standard models have foldback mode current protection with a high peak load capacity. This peak can be taken for 500 μs max.

3. For optional U-channel versions without fan/cover, change SMQ prefix to SMU, and delete suffix ‘-C’ from model number. Requires forced air cooling at 18 CFM.

? Available from Farnell. See pages 204-206.^ Available from Newark. See pages 207-208.