DC-DC
100-150 Watts
xppower.com
RDQ Series
•
110 VDC Input for Rail Applications
•
Up to 92% Efficiency
•
Quarter and Half Brick Packages
•
-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 Filter
Undervoltage Lockout
Input Surge
Environmental
•
•
•
•
•
•
66-160 VDC
See table
50 mA
Pi network (see note 3)
Turn on 62.0 V, turn off 56.0 V
180 VDC for 100 ms
Output
Output Voltage Trim
Initial Set Accuracy
Line Regulation
• ±10%, see application notes
• ±1.5% max
• ±0.2% max measured from high line
to low line
Load Regulation
• ±0.2% max measured from 0-100% load
Start Up Time
• 60 ms typical
Transient Response
• 5% max deviation, recovery to within
1% in 200 μs, 25% step load change
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)
Overvoltage Protection • 115-140%
Short Circuit Protection • Continuous
Current Limit
• 110-180% nominal output
Thermal Shutdown
• Case temperature >105 °C typical
Temperature
• ±0.03%/°C
Coefficient
Remote On/Off
• Referenced to -Vin,
Module on = open circuit,
Module off ≤0.8 VDC
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
Operating Base Plate
Temperature
Storage Temperature
Operating Humidity
Cooling
Cooling Test
Dry Heat
Damp Heat
• -40 °C to +100 °C, see derating curve
Vibration
•
Shock
•
Supply Variation
Supply Interruption
Supply Change-Over
Insulation Test
Voltage Withstand
Supply Over-Voltage
•
•
•
•
•
•
-55 °C to +105 °C
Up to 95% non-condensing
Baseplate-cooled, see derating curve
EN60068-2-1, -40 °C for 2 hours
EN60068-2-2, 70 °C for 6 hours
EN60068-2-30, 25 °C to 55 °C, 90-100%
humidity, 2 cycles of 24 hours
EN61373, 2 Hz to 150 Hz, 5.72m/s2 on X
axis, 2.55m/s2 on Y axis, 3.96m/s2 on Z axis
EN61373, 50m/s2 half sine 30ms, 3
positive and 3 negative on X axis,
30m/s2 half sine 30ms, 3 positive and 3
negative on Y and Z axes,
EN50155, 0.7 to 1.4 Vn
EN50155, 100% for 10 ms
EN50155, 0.6 Vn for 100 ms
EN50155, 500 VDC
EN50155, 2250 VDC
EN50155, 1.4 Vn for 0.1 s
EMC & Safety
General
Emissions
ESD Immunity
Radiated Immunity
• See tables
• 2250 VDC Input to Output
2250 VDC Input to Case
1500 VDC Output to Case
• 107Ω
• 1000 pF typical
• 200 kHz typical
• RDQ100: 60 W/in3, RDQ150: 54 W/in3
• 380 kHrs typical to MIL-HDBK-217F
at 25 °C, GB
•
•
•
•
•
•
EFT/Burst
Surge
Conducted Immunity
Safety Approval
• 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.
• EN61000-4-2 Air ±8kV, contact ±6kV,
indirect ±6kV, Perf Criteria A
• 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),
Evaluated to EN62368-1, CE & UKCA
meets all applicable directives & legislation
Notes
* External TVS is required on the input. See Application Notes.
Input Voltage
Output Voltage
Output Current
5.0 V
66-160 V
12.0 V
24.0 V
Input Current
Efficiency
Maximum
Capacitive Load
Model Number(2)
1010 mA
90.0%
10000 μF
RDQ100110S05
993 mA
90.0%
8800 μF
RDQ100110S12
1030 mA
91.0%
1500 μF
RDQ100110S24
No Load
Full Load
20.0 A
30 mA
8.40 A
40 mA
4.20 A
60 mA
Notes
1. Output Ripple and Noise measured with 10 μF tantalum and 1 μF ceramic
capacitor across output.
2. Add suffix ‘N’ to the model number to receive the unit with negative logic
Remote On/Off.
3. An external 120 μF electrolytic input capacitor is recommended to reduce input
ripple voltage.
Mechanical Details
RDQ100
2.28 (57.90)
2.00 (50.80)
1.14 (28.96)
1.45
(36.8)
3
2
1
1.03
(26.2)
0.73
(18.42)
Mounting hole diameter:
0.126 (3.2) clearance hole
4
5
6
7
8
BOTTOM VIEW
0.30
(7.62)
0.60
(15.24)
0.15
(3.81)
1.86 (47.20)
0.16
(4.1) min.
ø 0.040
(1.02)
Pins 1,2,3,5,6,7
ø 0.059
(1.50)
Pins 4,8
Pin
1
2
3
4
5
6
7
8
PIN CONNECTIONS
Function
+Vin
Remote On/Off
-Vin
-Vout
-Sense
Trim
+Sense
+Vout
Notes
1. Dimensions are in inches (mm)
2. Tolerances: X.XX = ±0.02 (X.X = ±0.5)
X.XXX = ±0.01 (X.XX = ±0.25)
3. Weight: 0.13616 lbs (61.5 g) approx
0.50
(12.70)
Thermal Resistance Information (Derating Curve)
Power Dissipated ,Pd (W)
Maximum Power Dissipation vs Ambient Temperature and Air Flow without heatsink
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
Natural Convection
20 ft./min. (0.1 m/s)
100 ft./min. (0.5 m/s)
200 ft./min. (1.0 m/s)
300 ft./min. (1.5 m/s)
400 ft./min. (2.0 m/s)
0
10
20
30
40
50
60
70
Ambient Temperature ,Ta (ºC)
80
90
100
Air Flow Rate
Natural Convection
20 ft. / min (0.1 ms)
100 ft./min (0.5 ms)
200 ft./min (1.0 ms)
300 ft./min (1.5 ms)
400 ft./min (2.0 ms)
Typical Rca
10.1 °C/W
8.0
5.4
4.4
3.4
Rca = Thermal resistance case to ambient
°C/W
°C/W
°C/W
°C/W
DC-DC
RDQ
Models & Ratings
Input Voltage
Output Voltage
Output Current
66-160 V
5.0 V
12.0 V
24.0 V
30.0 A
12.5 A
6.50 A
Input Current
No Load
Full Load
40 mA
40 mA
60 mA
1474 mA
1474 mA
1541 mA
Efficiency
Maximum
Capacitive Load
Model Number(2)
92.5%
92.5%
91.0%
10000 μF
5600 μF
2200 μF
RDQ150110S05
RDQ150110S12
RDQ150110S24
Notes
1. Output Ripple and Noise measured with 10 μF tantalum and 1 μF ceramic
capacitor across output.
2. Add suffix ‘N’ to the model number to receive the unit with negative logic
Remote On/Off.
3. An external 220 μF electrolytic input capacitor is recommended to reduce input
ripple voltage.
Mechanical Details
RDQ150
Mounting hold diameter
0.126 (3.2) clearance hole
0.18 (4.6) min
2.40
(61.0)
4
5
3
6
0.60
(15.2)
2.00
(50.8)
BOTTOM VIEW
1.40
(35.5)
Pin
1
2
3
4
5
6
7
8
9
2 x Ø 0.08
(2.03)
Pins 5 & 9
7
2
8
1
9
7 x Ø 0.04
(1.02)
Pins 1,2,3
4,6,7 & 8
PIN CONNECTIONS
Function
+Vin
Remote On/Off
Case
-Vin
-Vout
-Sense
Trim
+Sense
+Vout
Notes
0.50
(12.7)
1.90 (48.3)
1. Dimensions are in inches (mm)
2. Tolerances: X.XX = ±0.02 (X.X = ±0.5)
X.XXX = ±0.01 (X.XX = ±0.25)
3. Weight: 0.216 lbs (90 g) approx
2.28 (57.9)
Thermal Resistance Information (Derating Curve)
Maximum Power Dissipation vs Ambient Temperature and Air Flow without heatsink
50
Natural Convection
20 ft./min. (0.1 m/s)
100 ft./min. (0.5 m/s)
45
40
Power Dissipated ,Pd (W)
DC-DC
RDQ
Models & Ratings
200 ft./min. (1.0 m/s)
35
30
300 ft./min. (1.5 m/s)
25
400 ft./min. (2.0 m/s)
20
500 ft./min. (2.5 m/s)
15
600 ft./min. (3.0 m/s)
10
700 ft./min. (3.5 m/s)
5
800 ft./min. (4.0 m/s)
0
0
10
20
30
40
50
60
70
Ambient Temperature ,Ta (ºC)
80
90
100
Air Flow Rate
Natural Convection
20 ft. / min (0.1 ms)
100 ft./min (0.5 ms)
200 ft./min (1.0 ms)
300 ft./min (1.5 ms)
400 ft./min (2.0 ms)
500 ft./min (2.5 ms)
600 ft./min (3.0 ms)
700 ft./min (3.5 ms)
800 ft./min (4.0 ms)
Typical Rca
7.12 °C/W
6.21 °C/W
5.17 °C/W
4.29 °C/W
3.64 °C/W
2.96 °C/W
2.53 °C/W
2.37 °C/W
2.19 °C/W
Rca = Thermal resistance case to ambient
Suggested EMC Components
C3
2200 pF, 3kV
5 µH
L1
+Vin
+Vin
L2
D1 1.5 KE180A
Littlefuse
(required to meet
EN61000-4-5)
+
+Vout
+Vo
+
C1
DC/DC Converter
C2
0.33 mH
-Vin
-Vin
CASE
-Vo
-Vout
C1 & C2 = 120 µF/200 V for RDQ100
220 µF/200 V for RDQ150
C4
2200 pF, 3kV
Application Notes
Output Voltage Trim
Voltage trim up
Connect trim resistor Rtrim between Trim pin and -Sense pin.
R2
R1 Vr - Vf R2 + R3
R trim up =
Vdes - Vnom
-
Voltage trim down
Connect trim resistor Rtrim between Trim pin and +Sense pin
R2 x R3
(kΩ)
R2 + R3
R trim down =
R1 x (Vdes - Vr)
Vnom - Vdes
- R2 (kΩ)
Where: R trim up/down is the external resistor in kΩ. Vnom is the nominal output voltage. Vdes is the desired output voltage. R1, R2, R3 and Vr
are internal to the unit and are defined in the table below.
Output Voltage (V)
5.0 V
12.0 V
24.0 V
+Vin
R1 (kΩ)
2.32
9.10
20.0
R2 (kΩ)
3.3
51.0
100.0
R3 (kΩ)
0
5.1
7.5
+Vout
+Vin
+Sense
Vr (V)
2.5
2.5
2.5
+Vout
+Sense
R trim down
Trim
Load
Load
R trim up
-Vin
-Sense
-Vout
Voltage Trim-up Setup
Vf (V)
0.0
0.46
0.46
Trim
-Vin
-Sense
-Vout
Voltage Trim-down Setup
17 Aug 2022
DC-DC
RDQ
Application Notes