DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 1 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
10W isolated DC-DC converter in DIP package
Ultra-wide input and regulated dual/single output
CB Patent Protection RoHS
FEATURES
Ultra-wide 4:1 input voltage range
High efficiency up to 88%
No-load power consumption as low as 0.12W
I/O isolation test voltage1.5K VDC
Input under-voltage protection, output short
circuit, over-current, over-voltage protection
Operating ambient temperature range: -40℃~
+85℃
Meets CISPR32/EN55032 CLASS A, without extra
components
Input reverse polarity protection available with
Chassis (A2S) or 35mm DIN-Rail mounting (A4S)
version
IEC60950, UL60950, EN62368 approved
Industry standard pin-out
URA_YMD-10WR3 & URB_YMD-10WR3 series of isolated 10W DC-DC converter products feature an ultra-wide with 4:1 input voltage with
efficiencies of up to 88%, 1500VDC input to output isolation, operating ambient temperature range of -40℃to +85℃, input under-voltage
protection, output over-voltage, over-current, short circuit protection. They meet CLASS A of CISPR32/EN55032 EMI standards without
external components, optional packages are offered for chassis or DIN-rail mounting (A2S, A4S), adding additional input reverse polarity
protection and they are widely used in applications such as industrial control, electric power, instruments and communication fields.
Selection Guide
Certification
Part No. ①
Input Voltage (VDC)
Output
Full Load
Efficiency④(%)
Min./Typ.
Max.
Capacitive
Load⑤(µF)
Nominal②
(Range)
Max. ③
Voltage
(VDC)
Current (mA)
Max./Min.
UL/CE/CB
*URA2405YMD-10WR3
24
(9-36)
40
±5
±1000/0
81/83
1000
URA2409YMD-10WR3
±9
±555/0
84/86
680
*URA2412YMD-10WR3
±12
±416/0
85/87
470
URA2415YMD-10WR3
±15
±333/0
85/87
330
*URA2424YMD-10WR3
±24
±208/0
85/87
100
URB2403YMD-10WR3
3.3
2400/0
76/78
2200
URB2405YMD-10WR3
5
2000/0
81/83
2200
URB2409YMD-10WR3
9
1111/0
83/85
680
URB2412YMD-10WR3
12
833/0
84/86
470
URB2415YMD-10WR3
15
667/0
84/86
330
URB2424YMD-10WR3
24
416/0
86/88
100
*URA4805YMD-10WR3
48
(18-75)
80
±5
±1000/0
81/83
1000
*URA4812YMD-10WR3
±12
±416/0
85/87
470
*URA4815YMD-10WR3
±15
±333/0
85/87
330
*URA4824YMD-10WR3
±24
±208/0
85/87
100
*URB4803YMD-10WR3
3.3
2400/0
77/79
2200
*URB4805YMD-10WR3
5
2000/0
81/83
2200
*URB4812YMD-10WR3
12
833/0
85/87
470
*URB4815YMD-10WR3
15
667/0
85/87
330
*URB4824YMD-10WR3
24
416/0
86/88
100
Notes：
1Use “A2S” suffix for chassis mounting and “A4S” suffix for DIN-Rail mounting;
2The A2S and A4S Model’s start-up and minimum input voltages are increased by 1VDC due to the input reverse polarity protection circuit;
3Exceeding the maximum input voltage may cause permanent damage;
4Efficiency is measured at nominal input voltage and rated output load; efficiencies for A2S and A4S Model’s is decreased by 2% due to the input reverse
polarity protection circuit;
5The specified maximum capacitive load value for positive and negative output is identical;
6Products marked with “*”need an input capacitor in order to meet conducted specifications of CISPR32/EN55032 CLASS A.
DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 2 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Input Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
Input Current
(full load / no-load)
24VDC nominal input series,
nominal input voltage
3.3VDC output
--
423/5
434/12
mA
Others
--
502/5
514/12
48VDC nominal input series,
nominal input voltage
3.3VDC output
--
190/4
215/8
Others
--
251/4
258/8
Reflected Ripple Current
24VDC nominal input series, nominal input voltage
--
40
--
48VDC nominal input series, nominal input voltage
--
30
--
Surge Voltage (1sec. max.)
24VDC nominal input series
-0.7
--
50
VDC
48VDC nominal input series
-0.7
--
100
Start-up Voltage
24VDC nominal input series
--
--
9
48VDC nominal input series
--
--
18
Input Under-voltage Protection
24VDC nominal input series
5.5
6.5
--
VDC
48VDC nominal input series
12
15.5
--
Start-up Time
Nominal input voltage & constant resistance load
--
10
--
ms
Input Filter
Pi filter
Hot Plug
Unavailable
Ctrl*
Module on
Ctrl pin open or pulled high (3.5-12VDC)
Module off
Ctrl pin pulled low to GND (0-1.2VDC)
Input current when off
--
6
10
mA
Note: *The Ctrl pin voltage is referenced to input GND.
Output Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
Voltage Accuracy①
0%-100% load
--
±1
±3
%
Linear Regulation
Input voltage variation from low to
high at full load
Vo1
--
±0.2
±0.5
Vo2
--
±0.5
±1
Load Regulation②
5%-100% load
Vo1
--
±0.5
±1
Vo2
--
±0.5
±1.5
Cross Regulation
Vo1 load at 50%, Vo2 load at range of 10%-100%
--
--
±5
Transient Recovery Time
25% load step change, nominal input voltage
--
300
500
µs
Transient Response Deviation
--
±3
±5
%
Temperature Coefficient
Full load
--
--
±0.03
%/℃
Ripple & Noise③
20MHz bandwidth, 5%-100% load
--
40
80
mV p-p
Over-voltage Protection
Input voltage range
110
--
160
%Vo
Over-current Protection
110
140
190
%Io
Short-circuit Protection
Continuous, self-recovery
Note: ①Output voltage accuracy of ±5VDC/±9VDC output converter for 0%-5% load is ±5% max;
②Load regulation for 0%-100% load is ±5%;
③Ripple & Noise at ≤5% load is 5%Vo Max. The “parallel cable” method is used for Ripple and Noise test, please refer to DC-DC Converter Application
Notes for specific information.
General Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
Isolation
Input-output Electric Strength Test for 1 minute with
a leakage current of 1mA max.
1500
--
--
VDC
Insulation Resistance
Input-output resistance at 500VDC
1000
--
--
MΩ
Isolation Capacitance
Input-output capacitance at 100KHz/0.1V
--
1000
--
pF
Operating Temperature
See Fig. 1
-40
--
+85
℃
Storage Temperature
-55
--
+125
DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 3 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Storage Humidity
Non-condensing
5
--
95
%RH
Pin Soldering Resistance
Temperature
Soldering spot is 1.5mm away from case for 10
seconds
--
--
+300
℃
Vibration
10-150Hz, 5G, 90min. along X, Y and Z
Switching Frequency*
PWM mode
--
350
--
KHz
MTBF
MIL-HDBK-217F@25℃
1000
--
--
K hours
Note:*Switching frequency is measured at full load. The module reduces the switching frequency for light load (below 50%) efficiency improvement.
Mechanical Specifications
Case Material
Aluminum alloy
Dimensions
Horizontal package
25.40 × 25.40 × 11.70 mm
A2S chassis mounting
76.00 × 31.50 × 21.20 mm
A4S DIN-rail mounting
76.00 × 31.50 × 25.80 mm
Weight
Horizontal package/A2S chassis mounting/A4S Din-rail
mounting
12.5g/36.0g/56.0g (Typ.)
Cooling method
Free air convection
Electromagnetic Compatibility (EMC)
Emissions
CE
CISPR32/EN55032
CLASS A (without extra components)/
CLASS B (see Fig.3-②for recommended circuit)
RE
CISPR32/EN55032
CLASS A (without extra components)/
CLASS B (see Fig.3-②for recommended circuit)
Immunity
ESD
IEC/EN61000-4-2 Contact ±4KV
perf. Criteria B
RS
IEC/EN61000-4-3 10V/m
perf. Criteria A
EFT
IEC/EN61000-4-4 ±2KV (see Fig.3-①for recommended circuit)
perf. Criteria B
Surge
IEC/EN61000-4-5 line to line ±2KV (see Fig.3-①for recommended circuit)
perf. Criteria B
CS
IEC/EN61000-4-6 3 Vr.m.s
perf. Criteria A
Voltage dips, short
interruptions and voltage
variations immunity
IEC/EN61000-4-29 0%, 70%
perf. Criteria B
Typical Characteristic Curves
Operat ing Temperature( )
℃
Temperatu re D erating Cur ve
Output Power Percentage(%)
0
20
40
60
80
100
120
-40 0 40 85 1207165
Others Output
3.3 V,5V, Output
±5V
Safe Operating Area
Fig. 1
DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 4 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Design Reference
1. Typical application
All the DC/DC converters of this series are tested before delivery using the recommended circuit shown in Fig. 2.
Input and/or output ripple can be further reduced by appropriately increasing the input & output capacitor values Cin and Cout and/or by
selecting capacitors with a low ESR (equivalent series resistance). Also make sure that the capacitance is not exceeding the specified max.
capacitive load value of the product.
DC DC
Vin
GND
+Vo
0V
Cin
Cout
Vin
GND
+Vo
0V
Cin
Cout
DC DC
-Vo
Cout
Dual
Single
Fig. 2
Vin
24V
48V
Cin
100µF
10µF -47µF
Cout
10µF
DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 5 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
2. EMC compliance circuit
Fig. 3
Notes: For EMC tests we use Part ①in Fig. 3 for immunity and part ②for
emissions test.
Parameter description:
Model
Vin:24V
Vin:48V
FUSE
Choose according to actual input current
MOV
S20K30
S14K60
C0/C3
330µF/50V
330µF/100V
C1
1µF/50V
1µF/100V
C2
Refer to the Cout in Fig.2
LDM1
4.7µH
CY1/CY2
1nF/2KV
3. The products do not support parallel connection of their output
4. For additional information please refer to DC-DC converter application notes on
www.mornsun-power.com
Dimensions and Recommended Layout
DC/DC Converter
URA_YMD-10WR3 & URB_YMD-10WR3 Series
2019.02.19-A/7 Page 6 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
URA_YMD-10WR3A2S & URB_YMD-10WR3A2S Dimensions
URA_YMD-10WR3A4S & URB_YMD-10WR3A4S Dimensions
Note:
1. For additional information on Product Packaging please refer to www.mornsun-power.com.Packaging bag number: 58210003 (DIP),
58220022(A2S/A4S package);
2. The maximum capacitive load offered were tested at input voltage range and full load;
3. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%RH with nominal
input voltage and rated output load;
4. All index testing methods in this datasheet are based on company corporate standards;
5. We can provide product customization service, please contact our technicians directly for specific information;
6. Products are related to laws and regulations: see "Features" and "EMC";
7. Our products shall be classified according to ISO14001 and related environmental laws and regulations, and shall be handled by
qualified units.
Mornsun Guangzhou Science & Technology Co., Ltd.
Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Huangpu District, Guangzhou, P. R. China
Tel: 86-20-38601850 Fax: 86-20-38601272 E-mail:info@mornsun.cn www.mornsun-power.com
