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100ꢀ150 Watts
RDQ Series
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110 VDC Input for Rail Applications
Up to 92% Efficiency
Quarter and Half Brick Packages
ꢀ40 °C to +100 °C Operating Temperature
Baseplateꢀcooled
Remote On/Off & Remote Sense
3 Year Warranty
Specification
Input
Environmental
Input Voltage Range
Input Current
Idle Current
• 66-160 VDC
• See table
• 50 mA
Operating Base Plate • -40 °C to +100 °C, see derating curve
Temperature
Storage Temperature • -55 °C to +105 °C
Operating Humidity
Cooling
Cooling Test
Dry Heat
• Up to 95ꢀ non-condensing
Input Filter
• Pi network (see note 3)
• Baseplate-cooled, see derating curve
• EN60068-2-1, -40 °C for 2 hours
• EN60068-2-2, 70 °C for 6 hours
Undervoltage Lockout • Turn on 62.0 V, turn off 56.0 V
Input Surge
• 180 VDC for 100 ms
Damp Heat
• EN60068-2-30, 25 °C to 55 °C, 90-100ꢀ
Output
humidity, 2 cycles of 24 hours
Output Voltage Trim
Initial Set Accuracy
Line Regulation
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10ꢀ, see application notes
1.5ꢀ max
0.2ꢀ max measured from high line
to low line
2
Vibration
Shock
• EN61373, 2 Hz to 150 Hz, 5.72m/s on X
2
2
axis, 2.55m/s on Y axis, 3.96m/s on Z axis
2
• EN61373, 50m/s half sine 30ms, 3
positive and 3 negative on X axis,
2
Load Regulation
Start Up Time
Transient Response
•
0.2ꢀ max measured from 0-100ꢀ load
30m/s half sine 30ms, 3 positive and 3
negative on Y and Z axes,
• EN50155, 0.7 to 1.4 Vn
• EN50155, 100ꢀ for 10 ms
• EN50155, 0.6 Vn for 100 ms
• EN50155, 500 VDC
• 60 ms typical
• 5ꢀ max deviation, recovery to within
Supply Variation
1ꢀ in 200 µs, 25ꢀ step load change
Supply Interruption
Supply Change-Over
Insulation Test
Voltage Withstand
Supply Over-Voltage
Ripple & Noise
• 5 V models: 100 mV pk-pk
12 V models: 150 mV max pk-pk
24 V models: 240 mV max pk-pk
20 MHz bandwidth (see note 1)
• EN50155, 2250 VDC
• EN50155, 1.4 Vn for 0.1 s
Overvoltage Protection • 115-140ꢀ
Short Circuit Protection • Continuous
Current Limit
Thermal Shutdown
Temperature
Coefficient
EMC & Safety
General
• 110-180ꢀ nominal output
• Case temperature >105 °C typical
• 0.03ꢀ/°C
• Complies with EN50121-3-2, Railway
Applications - Electromagnetic
Compatibility for Rolling Stock Apparatus
• EN55011, 99 dBµV (0.15-0.5 MHz). 93
dBµV (0.5-30 MHz) conducted,
class A radiated, EN55022 Level B
conducted with external filter, see
Application Notes.
Emissions
Remote On/Off
• Referenced to -Vin,
Module on = open circuit,
Module off ≤0.8 VDC
Remote Sense
• Compensates up to 10ꢀ of Vout nominal,
total of output trim and remote sense
ESD Immunity
• EN61000-4-2 Air 8kV, contact 6kV,
indirect 6kV, Perf Criteria A
General
Efficiency
Isolation Voltage
Radiated Immunity
• EN61000-4-3 80-1000 MHz at 20 V/m,
1400-2100 MHz at 10V/m, 2100-2500
MHz at 5 V/m, Perf Criteria A
• EN61000-4-4 level 3, Perf Criteria A
• EN61000-4-5 level 2, Perf Criteria A*
• EN61000-4-6 10 Vrms, Perf Criteria A
• UL60950-1 (basic insulation)
• See tables
• 2250 VDC Input to Output
2250 VDC Input to Case
1500 VDC Output to Case
• 10 Ω
EFT/Burst
Surge
Conducted Immunity
Safety Approval
7
Isolation Resistance
Isolation Capacitance • 1000 pF typical
Switching Frequency
Power Density
MTBF
• 200 kHz typical
• RDQ100: 60 W/in , RDQ150: 54 W/in
• 380 kHrs typical to MIL-HDBK-217F
3
3
at 25 °C, GB
Notes
* External TVS is required on the input. See Application Notes.