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QSB40024S05 Datasheet, PDF (1/4 Pages) XP Power Limited – Industry Standard Full Brick Package
400 Watts
QSB Series
xppower.com
• Up to 89% Efficiency
• 4:1 Input Range
• Industry Standard Full Brick Package
• 40 °C to +100 °C Operating Temperature
• Baseplate cooled
• Remote On/Off & Remote Sense
• 3 Year Warranty
Specification
Input
Input Voltage Range
Input Current
Idle Current
Input Reverse Voltage
Protection
Input Filter
Undervoltage Lockout
Overvoltage Lockout
• 24 V (9-36 V), 48 V (18-75 V)
• See table
• 50 mA
• None
• Pi network
• 24 Vin: turn on 8.5 V, turn off 7.5 V
48 Vin: turn on 17.0 V, turn off 15.0 V
• 24 Vin: turn off 42.0 V, turn on 40.0 V
48 Vin: turn off 83.0 V, turn on 80.0 V
Output
Output Voltage Trim
• 80-110% of nominal ouput, see
application notes
Initial Set Accuracy • ±1.5% max
Minimum Load
• No minimum load required
Line Regulation
• ±0.2% max measured from high line
to low line
Load Regulation
• ±0.5% 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
• 5 V models: 100 mV pk-pk, other models
1% pk-pk, 20 MHz bandwidth (see note 1)
Overvoltage Protection • 115-140%
Short Circuit Protection • Continuous, constant current
Over Load Protection • 110-150% nominal output
Thermal Shutdown
• Case temperature 110 °C typical
Temperature
Coefficient
• ±0.03%/°C
Remote Enable
• Referenced to -ve input,
Module on: 1-10 mA.
Module off: < 1 mA or open circuit
Optional ‘-P’ version
Module on: <1 mA or open circuit
Module off: 1-10 mA.
Internal 1kΩ current limit resistor is fitted.
Remote Sense
• Compensates up to 10% of Vout nominal,
total of output trim and remote sense
Current Share
• Parallel up to 4 modules using the parallel
pin ±10% load share accuracy from 50%
to 100% load
Auxilliary Output
• 10 V ±3 V/20 mA max
Auxilliary return is -Sense Pin
General
Efficiency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
DC OK Signal
Power Density
MTBF
• See tables
• 1500 VDC Input to Output
1500 VDC Input to Case
1500 VDC Output to Case
• 107Ω
• 4000 pF typical
• 230 kHz typical
• DC OK open collector signal (see note 4)
• 79 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
• 75g pk, sawtooth wave for 10 ms, 3
pulses per face, all 6 faces tested on all 3
axes
• 15-2000 Hz at 4g, 1 hour per axis
EMC & Safety
Emissions
• EN55022, level A conducted, with external
components. See application notes.