B/C- type comply with S1 level @ full load, comply with S2 level @ 70% load ; D-type comply with S2 level @ full load
16.8 ~ 31.2VDC
14.4 ~ 33.6VDC
88%
4.8A/24V
30A/24VDC
89%
4.8A/24V
89%
4.8A/24V
33.6 ~ 62.4VDC
28.8 ~ 67.2VDC
89%
2.4A/48V
30A/48VDC
91%
2.4A/48V
91%
2.4A/48V
67.2 ~ 143VDC
57.6 ~ 154VDC
89.5%
1.2A/110V
30A/110VDC
91%
1.2A/110V
90%
1.2A/110V
INPUT
PROTECTION
OVER VOLTAGE
WORKING TEMP.
WORKING HUMIDITY
ENVIRONMENT STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
VIBRATION
SAFETY STANDARDS
WITHSTAND VOLTAGE
SAFETY &
EMC
(Note 5)
105 ~ 135% rated output power
Protection type :
Constant current limiting, recovers automatically after fault condition is removed
5.75 ~ 7V
13.8 ~ 16.2V 27.6 ~ 32.4V
5.75 ~ 7V
13.8 ~ 16.2V 27.6 ~ 32.4V
5.75 ~ 7V
13.8 ~ 16.2V 27.6 ~ 32.4V
Protection type : Shut down o/p voltage, re-power on to recover
-40 ~ +55
℃
(no derating) ; +70
℃
@ 60% load by free air convection ; +70
℃
no derating with external base plate, TX class compliance
5 ~ 95% RH non-condensing
-40 ~ +85
℃
, 5 ~ 95% RH non-condensing
±
0.03%/
℃
(0 ~ 50
℃
)
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373
IEC60950-1(LVD)
,
EAC TP TC 004 approved
I/P-O/P:4KVDC
I/P-FG:2.5KVDC
O/P-FG:2.5KVDC
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25
℃
/ 70% RH
Compliance to EN55032 (CISPR32) Conduction Emission: Class A, Radiation Emission: Class B,
EAC TP TC 020
Compliance to EN61000-4-2,3,4,5,6,8, light industry level, criteria A,
EAC TP TC 020
EN50155 / IEC60571 including IEC61373 for shock & vibration, EN50121-3-2 for EMC
;
EN45545-2 for fire protection
254.1K hrs min.
MIL-HDBK-217F (25
℃
)
161*68*36mm (L*W*H)
0.6Kg; 24pcs/15.4Kg/0.98CUFT
ISOLATION RESISTANCE
EMC EMISSION
EMC IMMUNITY
RAILWAY STANDARD
MTBF
OTHERS
DIMENSION
PACKING
NOTE
1. All parameters NOT specially mentioned are measured at 24,48,110VDC input, rated load and 25
℃
of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. Strongly recommended that external output capacitance should not exceed 5000uF.
(Only
for: RSD-100-5 / -12)
5. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on
a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to
perform these EMC tests, please refer to EMI testing of component power supplies. (as available on http://www.meanwell.com)
6. The ambient temperature derating of 3.5
℃
/1000m with fanless models and of 5
℃
/1000m with fan models for operating altitude higher than 2000m(6500ft).
File Name:RSD-100-SPEC 2018-01-15
100W Railway Single Output DC-DC Converter
Mechanical Specification
12max.
RSD-100
Case No.999A
12max.
series
Unit:mm
5
156
2.5
161
156
LED
2.5
I/P
O/P
1
9.5
1
55
2
4-R1.75
8.2
3
Input Terminal Pin No. Assignment :
Pin No.
1
2
3
Assignment
DC INPUT V+
DC INPUT V-
FG
Output Terminal Pin No. Assignment :
Pin No.
1
2
Assignment
DC OUTPUT -V
DC OUTPUT +V
Block Diagram
RECTIFIERS
&
FILTER
68
2
6.5
36
2-R
1.7
25
fosc : 130KHz
I/P
EMI
FILTER
POWER
SWITCHING
+V
-V
FG
O.L.P.
PWM
CONTROL
O.V.P.
DETECTION
CIRCUIT
Input Fuse
There is one fuse connected in series to the positive input line, which is used to protect against abnormal surge. Fuse specifications of each model are shown
as below.
Type
B
C
D
Fuse Type
Time-Lag
Time-Lag
Time-Lag
Reference and Rating
Conquer UDA-A, 10A, 250V
Conquer UDA-A, 5A, 250V
Conquer UDA-A, 3.15A, 250V
File Name:RSD-100-SPEC 2018-01-15
100W Railway Single Output DC-DC Converter
Input Reverse Polarity Protection
RSD-100
series
There is a MOSFET connected in series to the negative input line. If the input polarity is connected reversely, the MOSFET opens and there will be no output to protect
the unit.
Input Range and Transient Ability
The series has a wide range input capability. Within
±
30% of rated input voltage, it can be executed at full-load operation and operate properly; with
±
40% of rated input
voltage, it can withstand that for 1 second.
Input Under-Voltage Protection
If input voltage drops below Vimin, the internal control IC shuts down and there is no output voltage. It recovers automatically when input voltage reaches above Vimin,
please refer to the cruve below.
RSD-100B-24
Vo
30
25
20
15
10
5
12.8
0
12
13
14
15
16
17
13.8
Turn On
Turn Off
RSD-100C-24
Vo
30
25
30
20
15
10
5
25.6
27.6
27
29
31
33
35
Turn On
Turn Off
RSD-100D-24
Vo
30
25
20
15
10
5
53.7
57.3
55
60
65
70
Turn On
Turn Off
Vin
0
25
Vin
0
50
Vin
Inrush Current
Inrush current is suppressed by a resistor during the initial start-up, and then the resistor is bypassed by a MOSFET to reduce power consumption after accomplishing
the start-up.
Hold-up Time
D type is in compliance with S2 level, while B and C types are in compliance with S1 level at full load output condition. To fulfil the requirements of S2 level, B and C
types require de-rating their output load to 70%, please refer to the curve diagrams below.
Since RSD-100 series don't have built-in parallel circuit, it can only use external circuits to achieve the redundant operation but not increase the current rating.
1.Add a diode at the positive-output of each power supply (as shown as below), the current rating of the diode should be larger than the maximum output current rating
and attached to a suitable heat sink. This is only for redundant use (increase the reliability of the system) and users have to check suitability of the circuit by themselves.
I/P
E
IN
I/P
I/P
PS2
I/P
-
PS1
-
+
D2
+
D1
R
L
2.When using S.P.S. in parallel connection, the leakage current will increase at the same time. This could pose as a shock hazard for the user. So please contact the
supplier if you have this kind of application.
B.Operation in Series
RSD-100 can be operated in series. Here are the methods of doing it:
1.Positive and negative terminals are connected as shown as below. According to the connection, you can get the positive and negative output voltages for your loads.
I/P
E
IN
I/P
I/P
PS2
I/P
-
PS1
-
COM
+
R
L
-V
+
R
L
+V
File Name:RSD-100-SPEC 2018-01-15
100W Railway Single Output DC-DC Converter
RSD-100
series
2.Increase the output voltage (current does not change). Because RSD-100 series have no reverse blocking diode in the unit, you should add an external blocking diode
to prevent the damage of every unit while starting up. The voltage rating of the external diode should be larger than V1+V2 (as shown as below).
I/P
E
IN
I/P
I/P
PS2
I/P
-
PS1
-
V1+V2 R L
+
V2
D2
-V
+
V1
D1
+V
Overload Protection
If the output draw up to 105~135% of its output power rating, the converter will go into overload protection which is constant current mode. After the faulty condition
is removed, it will recover automatically. Please refer to the diagram below for the detail operation characteristic. Please note that it's not suitable to operate within
the overload region continuously, or it may cause to over temperature and reduce the life of the power supply unit or even damage it.
Vo(%)
100
50
Overload
region
0
50
100
150
Io(%)
Over Voltage Protection
The converter shuts off to protect itself when the output voltage drawn exceeds 115~140% of its output rating. It must be repowered on to recover.
LED Indicator
Equipped with a built-in LED indicator, the converter provides an easy way for users to check its condition through the LED indicator.
Green : normal operation; No signal: no power or failure.
Derating Curve
a.Single unit operation
If the unit has no iron plate mounted on its bottom, the maximum ambient temperature for the unit will be 55
℃
as operating under full load condition. It requires
de-rating output current when ambient temperature is between 55-70
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