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QSB300 Datasheet, PDF (1/4 Pages) XP Power Limited – Wide Input Range | |||
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300 Watts
QSB Series
xppower.com
⢠Wide Input Range
⢠350 W Peak Power
⢠High Efficiency
⢠High Power Density
⢠Baseplate cooled
⢠Remote On/Off & Remote Sense
⢠3 Year Warranty
Specification
Input
Input Voltage Range
Input Current
Input Reverse Voltage
Protection
Input Filter
Input Surge
Undervoltage Lockout
⢠24 V (9-36 V), 48 V (18-75 V), (see note 3)
⢠See table
⢠None
⢠Pi network
⢠24 V: 50 VDC for 100 ms
48 V: 100 VDC for 100 ms
⢠24 V: On â¥8.8 V, Off â¤8.0 V
48 V: On â¥17.0 V, Off â¤16.0 V
Output
Output Voltage Trim ⢠±10%, see application notes
Initial Set Accuracy ⢠±1.5% max at full load
Line Regulation
⢠±0.2% max measured from high line
to low line
Load Regulation
⢠±0.2% max measured from 0-100% load
Start Up Time
⢠120 ms typical
Transient Response
⢠5% max deviation, recovery to within
1% in 500 µs, 25% step load change
Ripple & Noise
⢠3.3 & 5 V models: 100 mV pk-pk
12 & 15 V models: 150 mV pk-pk
24 & 28 V models: 280 mV pk-pk
20 MHz bandwidth (see note 1)
Overvoltage Protection ⢠115-140%
Short Circuit Protection ⢠Continuous
Thermal Shutdown
⢠Case temperature >105 °C
Temperature
Coefficient
⢠±0.03%/°C
Current Limit
⢠115-140% nominal output
Remote On/Off
⢠See note 2. Output is off if Pin 2 is low
(<1.8 V) WRT -VIN, Pin 4.
Remote Sense
⢠Compensates up to 10% of Vout nominal,
total of output trim and remote sense
General
Efficiency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
Power Density
MTBF
⢠See table
⢠1500 VDC Input to Output
1500 VDC Input to Case
1500 VDC Output to Case
⢠107â¦
⢠2000 pF typical
⢠220 kHz typical
⢠109 W/in3
⢠300 kHrs typical to MIL-HDBK-217F
at 25 °C, GB
Environmental
Operating Base Plate
Temperature
Storage Temperature
Operating Humidity
Cooling
Shock
Vibration
⢠-40 °C to +100 °C, see derating curve
⢠-55 °C to +105 °C
⢠Up to 90% non-condensing
⢠Baseplate-cooled, see derating curve
⢠30 g pk, halfsink wave for 18 ms
3 pulses per face, all 6 faces tested
⢠5-500 Hz st 3 g, 10 mins per axis
EMC & Safety
Emissions
ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
⢠EN55022, level A conducted, with external
components. See application note.
⢠EN61000-4-2, level 2, Perf Criteria B
⢠EN61000-4-3, 3 V/m, Perf Criteria A
⢠EN61000-4-4, level 1, Perf Criteria A
⢠EN61000-4-5, level 1, Perf Criteria A
⢠EN61000-4-6, 3 V rms, Perf Criteria A
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