RDD08 Series Datasheet by XP Power

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RDD Series DC-DC Converter
xxx Series
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1
Models & Ratings
Notes
1. Input currents measured at nominal input voltage.
2. Typical value at full load and nominal input
Wide Input Range for Railway Applications
Single and Dual Outputs
DIP24 Package
-40 °C to +85 °C Operation
Full Load at 70 °C Ambient
3000 VDC Isolation
MTBF >800 kHrs
3 Year Warranty
EN50155 Approval for Railway Applications
EN50121-3-2 EMC for Railway Applications
Dimensions:
RDD:
1.25 x 0.80 x 0.42” (31.8 x 20.3 x 10.7 mm)
8 Watts
Mechanical Details
Input Voltage Output
Voltage Output Current Overvoltage level Input current(1) Maximum
capacitive load Efficiency(2) Model Number
No Load Full Load
13-70 V
3V3 2400 mA 3.9 V 30 mA 398 mA 1330 µF 83% RDD0824S3V3
5 V 1600 mA 6.2 V 20 mA 388 mA 1330 µF 86% RDD0824S05
12 V 665 mA 15 V 10 mA 392 mA 330 µF 85% RDD0824S12
15 V 535 mA 18 V 10 mA 389 mA 220 µF 86% RDD0824S15
±5 V ±800 mA ±6.2 V 10 mA 402 mA ±900 µF 83% RDD0824D05
±12 V ±335 mA ±15 V 10 mA 395 mA ±220 µF 85% RDD0824D12
±15 V ±265 mA ±18 V 10 mA 386 mA ±100 µF 86% RDD0824D15
42-176 V
3V3 2400 mA 3.9 V 10 mA 89 mA 1330 µF 81% RDD08110S3V3
5 V 1600 mA 6.2 V 10 mA 87 mA 1330 µF 84% RDD08110S05
12 V 665 mA 15 V 5 mA 87 mA 330 µF 84% RDD08110S12
15 V 535 mA 18 V 5 mA 88 mA 220 µF 83% RDD08110S15
±5 V ±800 mA ±6.2 V 5 mA 91 mA ±900 µF 80% RDD08110D05
±12 V ±335 mA ±15 V 5 mA 90 mA ±220 µF 82% RDD08110D12
±15 V ±265 mA ±18 V 5 mA 88 mA ±100 µF 83% RDD08110D15
1.25
(31.75) 0
0.80
(20.32) 0
Bottom View
0.90
(22.86)
00.60
(15.24)
DIA
0.02
(0.50)
0.10
(2.54)
0
0.20
(5.08)
2 31
22 16 1423
911
N
0.42 (10.70)
0.12 (3.05) Min.
0
1. All dimensions are in inches (mm)
2. Weight: 0.039 lbs (18 g) approx.
3. Pin diameter: 0.02±0.002 (0.5±0.05)
4. Pin pitch tolerance: ±0.014 (±0.35)
5. Case tolerance: ±0.02 (±0.5)
Notes
Pin Connections
Pin Single Dual
1 Remote On/Off Remote On/Off
2 -Vin -Vin
3 -Vin -Vin
9 No Pin Common
11 N.C. -Vout
14 +Vout +Vout
16 -Vout Common
22 +Vin +Vin
23 +Vin +Vin
XP Power Stan Upnme Mammal Mn and constant resiswe load
RDD Series
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DC-DC Converter
Input
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage 3.3 15 VDC See Models and Ratings table
Initial Set Accuracy ±1 % At 70% load
Minimum Load 0%
Minimum load required to meet specification. Operation at
no load will not cause damage.
Line Regulation ±0.5 %
Load Regulation ±0.5 % From 0% to full load
Cross Regulation ±5 % On dual output models, when one output is at 25% load
and other is varied from no load to full load
Ripple & Noise 75 mV pk-pk 20 MHz bandwidth. Measured using 0.1 µ F ceramic capacitor
Short Circuit Protection Continuous hiccup mode, with auto recovery
Maximum Capacitive Load See Models and Ratings table
Temperature Coefficient 0.02 %/ ˚C
Overload Protection 160 % Of nominal output current
Overvoltage Protection See Models and Ratings table
Remote On/Off Output turns off if remote on/off (pin 1) is shorted to -Vin (pin 2,3)
Output is on if remote on/off (pin 1) is open or >3 V
Start Up Time 30 40 ms Nominal Vin and constant resistive load
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range 13 70 VDC 24 V nominal
42 176 VDC 110 V nominal
Input Filter Pi type
Input Reflected Ripple Current 20 mA pk-pk Through 12 µH inductor and 33 µF capacitor
Input Surge 100 VDC for 1000 ms 24 V models
185 VDC for 1000 ms 110 V models
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency 80 86 % See Models and Ratings table
Isolation: Input to Output 3000 VDC
Switching Frequency 330/220 kHz 24 V / 110 V models
Isolation Resistance 109Ω
Isolation Capacitance 1000 pF
Power Density 14 Win3
Mean Time Between Failure 800 kHrs MIL-HDBK-217F, +25 °C GB
Weight 0.039 (18) lb (g)
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature -40 +85 °C Derate from 100% load at +70 °C to 50% at +85 °C
Storage Temperature -55 +125 °C
Case Temperature +105 °C
Humidity 95 %RH Non-condensing
Cooling Natural convection
Safety Approvals
Safety Agency Safety Standard
EN EN50155 Railway Applications
XP Power 1‘ A
RDD Series
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DC-DC Converter
325 Oct 17
EMC: Immunity
Phenomenon Standard Test Level Criteria Notes & Conditions
ESD Immunity EN50121-3-2 Air ±8 kV, Contact ±6 kV A
Radiated Immunity EN50121-3-2 20 Vrms/m A
EFT/Burst EN50121-3-2 2 kV A External input capacitor required, see application note
Surges EN50121-3-2 2 kV A External input capacitor required, see application note
Conducted Immunity EN50121-3-2 10 V A
Magnetic Fields EN61000-4-8 10 A/m A
EMC: Emissions
Phenomenon Standard Test Level Notes & Conditions
Conducted
EN50121-3-2
0.15-0.50 MHz, 99 dB µV
0.50-30.0 MHz, 93 dB µV
RDD0824 models also meet EN55022 Class A. See
application note to meet EN55022 Class A for RDD08110
models.
Radiated 30.0-230.0 MHz, 40 dB µV
230.0-1000.0 MHz, 47 dB µV
Mechanical Details
Application Note
RDD
+ Vout
-Vout
+Vin
-Vin
Load
C1 C2
For RDD0824 models, C1 = 330 µF, 100 V and C2 not fitted
For RDD08110 models, C1 and C2 = 100 µF, 250 V
C1, C2, & C3 are 1 µF, 250 V multilayer ceramic Chip Capacitor, placed as close
as possible to the input pins
L
RDD
+ Vout
-Vout
+Vin
-Vin
Load
C1 C2 C3
1.25
(31.75) 0
0.80
(20.32) 0
Bottom View
0.90
(22.86)
00.60
(15.24)
DIA
0.02
(0.50)
0.10
(2.54)
0
0.20
(5.08)
2 31
22 16 1423
911
N
0.42 (10.70)
0.12 (3.05) Min.
0
1. All dimensions are in inches (mm)
2. Weight: 0.039 lbs (18 g) approx.
3. Pin diameter: 0.02±0.002 (0.5±0.05)
4. Pin pitch tolerance: ±0.014 (±0.35)
5. Case tolerance: ±0.02 (±0.5)
Notes
Pin Connections
Pin Single Dual
1 Remote On/Off Remote On/Off
2 -Vin -Vin
3 -Vin -Vin
9 No Pin Common
11 N.C. -Vout
14 +Vout +Vout
16 -Vout Common
22 +Vin +Vin
23 +Vin +Vin
External Filter for Surge and EFT EMI Filter for RDD08110 models

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