voltage protection, input under voltage protection
SINGLE OUTPUT DC-DC CONVERTER
and output short circuit protection(automatic
recovery)
●
Six-sided metal shield, Industry standard pinout
●
Inverse polarity protection for A2S（chassis
mounting）and A4S（DIN-Rail mounting）
●
Meet EN60950
APPLICATION
URB1D_LD-15W & URB1D_LD-20W series Wide input voltage
Patent Protected RoHS
PART NUMBER SYSTEM
URB1D05LD-20W
Package Style
Output Voltage
Input Voltage
Product Series
range is 40-160VDC. It is suitable for 72 V, 96 V, 110 V standard
input of the bus voltage,single output and 1500VDC isolation,over
current, over voltage and short-circuit protection.It offers good EMC
performance,meet EN60950 standards.All models are particularly
suited to railway etc.
SELECTION GUIDE
Input Voltage(VDC)
Approval
Model
①
Nominal
(Range)
Max.
②
Output
Voltage
(VDC)
3.3
5
12
Output Current (mA) Input Current (mA)(typ.)
Max.
4000
3000
1250
1000
625
4000
1667
1333
833
Min.
200
150
63
50
32
200
83
67
42
@Max.
Load
120
153
155
155
155
204
206
206
206
@No
Load
15
15
8
8
8
15
8
8
8
Reflected
Max.
Ripple
Capacitive
Current
Load (µF)
(mA,typ.)
4020
4020
1600
1000
25
470
4020
1600
1000
470
Efficiency
③
(%, typ.)
@Max. Load
87
89
88
88
88
89
88
88
88
URB1D03LD-15W
URB1D05LD-15W
URB1D12LD-15W
URB1D15LD-15W
CE
URB1D24LD-15W
URB1D05LD-20W
URB1D12LD-20W
URB1D15LD-20W
URB1D24LD-20W
110
176
(40-160)
15
24
5
12
15
24
Note:
①series
with suffix
“H”
are heat sink mounting; series with suffix
“A2S”
are chassis mounting，with suffix
“A4S”
are DIN-Rail mounting,
for exampleURB1D05LD-20WHA2S is chassis mounting of with heat sink,URB1D05LD-20WA4S is DIN-Rail mounting of without heat sink,
if the application has a higher requirement for heat dissipation, you can choose modules with heat sink;
②Absolute
maximum rating without damage on the converter;
③The
efficiency of "A2S" and "A4S" is approx. 2% lower for the protection of inverse polarity.
INPUT SPECIFICATIONS
Item
Input Surge Voltage (1sec.max.)
Start-up Voltage
100% load
Test Conditions
Min.
-0.7
--
Typ.
--
--
Max.
200
39.8
Unit
VDC
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URB1D_LD-15W & URB1D_LD-20W
2013.11.14-A/1
Page 1 of 8
Under Voltage Shutdown
Start-up Time
Ctrl
*
100% load
Nominal input& constant resistance load
Models ON
Models OFF
Input current (Models OFF)
36.0
--
--
10
--
--
VDC
ms
Ctrl open or connect TTL high level (2.5-12VDC)
Ctrl connect GND or low level (0-1.2VDC)
--
1
Pi Filter
--
mA
Input Filter
Note: *The Ctrl pin voltage is referenced to GND.
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min
.
Typ
.
Max
.
Unit
%
us
%
%/°C
mV
Output Voltage Accuracy
Line Regulation
Load Regulation
Transient Recovery Time
Transient Response Deviation
Temperature Drift
Ripple & Noise *
Output Voltage Range(Trim)
3.3V output
5V output
Output Over Voltage Protection
12V output
15V output
24V output
Over Current Protection
Output Short Circuit Protection
Full input voltage
Full load, Input voltage from low to high
5% to 100% load
25% load step change
Full load
20MHz bandwidth
--
--
--
--
--
--
50
--
--
--
--
--
--
110
±1
±0.2
±0.5
500
±3
±0.02
75
±10%Vo
4.1
6.2
15
18
28.8
130
±3
±0.5
±1
800
±5
--
100
--
--
--
--
--
--
170
%
VDC
Continuous, automatic recovery
Note:* Ripple and noise tested with "parallel cable" method. See detailed operation instructions at DC-DC Application Notes .
COMMON SPECIFICATIONS
Item
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
MTBF
Safety approvals
Case Material
PCB mounting
（Without
heat sink）
PCB mounting
（With
heat sink）
Size
A2S Chassis mounting（Without heat sink）
A2S Chassis mounting（With heat sink）
A4S DIN-Rail mounting（Without heat sink）
A4S DIN-Rail mounting（With heat sink）
PCB mounting
（Without
heat sink）
PCB mounting
（With
heat sink）
Weight
A2S Chassis mounting（Without heat sink）
A2S Chassis mounting（With heat sink）
A4S DIN-Rail mounting（Without heat sink）
A4S DIN-Rail mounting（With heat sink）
--
--
--
--
--
--
Test Conditions
Tested for 1 minute , leakage current less than 1 mA
Test at 500VDC
Input/Output,100KHz/0.1V
PWM mode
MIL-HDBK-217F@25℃
Min.
1500
1000
--
--
1000
Typ.
--
--
2000
300
--
EN60950
Aluminum Alloy
50.80×25.40×11.80
50.80×25.40×16.30
76.00×31.50×21.20
76.00×31.50×25.10
76.00×31.50×25.80
76.00×31.50×29.70
28
36
50
58
70
78
--
--
--
--
--
--
g
mm
Max.
--
--
--
--
--
Unit
VDC
MΩ
pF
KHz
K hours
ENVIRONMENTAL SPECIFICATIONS
Item
Storage Humidity
Operating Temperature
Storage Temperature
Test Conditions
Non condensing
See Temperature Derating Curve（Figure 3）
Min.
5
-40
-55
Typ.
--
--
--
Max.
95
85
125
2013.11.14-A/1
Page 2 of 8
Unit
%
°C
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URB1D_LD-15W & URB1D_LD-20W
The Max. Case Temperature
Lead Temperature
Cooling
Operating Temperature curve range
1.5mm from case for 10 seconds
--
--
--
--
105
300
°C
Free air convection
RAILWAY CONVERTER PROPRIETARY SPECIFICATIONS
Transient Input Voltage
RIA12
EN50155
Maximum Input Voltage
EN50155
385V / 20ms perf. Criteria A (Pulse Interval > 60s)
(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
1800V(5/50us, 5Ωor100Ω) perf. Criteria B (Pulse Interval > 60s)
(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
8400V(0.05/0.1µs, 100Ω) perf. Criteria B (Pulse Interval > 60s)
(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
EMC SPECIFICATIONS
EMI
CE
RE
ESD
RS
EFT
EMS
Surge
CS
Voltage dips, short
andinterruptions
immunity
CLASS B(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
CLASS B(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
IEC/EN61000-4-2
IEC/EN61000-4-3
IEC/EN61000-4-4
IEC/EN61000-4-5
IEC/EN61000-4-6
IEC/EN61000-4-29
Contact
±6KV
10V/m
±4KV
(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
±2KV/±4KV
(With MORNSUN’s FC-CX1D Module, Refer to Figure 1)
3 Vr.m.s
0%-70%
perf. Criteria B
perf. Criteria A
perf. Criteria B
perf. Criteria B
perf. Criteria A
perf. Criteria B
EMC MODULE APPLICATION CIRCUIT
CY1
FUSE
+Vin
-Vin
+Vo
DC-DC
CONVERTER
+Vo
FC-C01D
FC-CX1D
+
C0
-Vo
CY2
0V
FC-CX1D’s input voltage range:40V-160V
(Figure 1)
FUSE: Choose according to customer actual input current.
C0: Recommend to use 100uF/200V electrolytic capacitor; It is used to suppress voltage dips, is not designed without requirement of the
application.
CY1/CY2:1nF/2KV.
EMC MODULE RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
Note:PCB layout carry out according to the module application circuit ,refer to Figure 2,need to add capacitance C0 and change the URB1D _LD-15W & URB1D _LD-
20W pin package.
EMI TEST WAVEFORM (CLASS B APPLY CIRCUIT)
URB1D05LD-15W CE (Positive line)
URB1D05LD-15W CE (Negative line)
2013.11.14-A/1
Page 3 of 8
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URB1D_LD-15W & URB1D_LD-20W
URB1D05LD-20W CE (Positive line)
URB1D05LD-20W CE (Negative line)
PRODUCT TYPICAL CURVE
Temperature Derating Graph
URB1D05LD-15W
URB1D05LD-20W
Operating Temp
(℃
)
Operating Temp
(℃ )
(Figure 3)
Efficiency VS Input Voltage curve
(Full Load)
URB1D05LD-20W
URB1D05LD-15W
Efficiency VS Output Load curve
(Vin=Vin-nominal)
URB1D05LD-20W
URB1D05LD-15W
100
95
90
85
80
75
70
65
60
55
50
40
50
60
70
80
90
100
110
120
130
140
150
160
100
90
80
70
60
50
40
30
20
10
0
5
10 20 30 40 50 60 70 80 90 100
Efficiency(%)
Input Voltage(V)
Efficiency(%)
Total Output Current (%)
Efficiency VS Input Voltage curve
(Full Load)
URB 1D15LD-20W
URB 1D15LD-15W
Efficiency VS Output Load curve
(Vin=Vin-nominal)
URB1D15LD-20W
URB1D15LD-15W
100
95
90
85
80
75
70
65
60
55
50
100
110
120
130
140
150
160
40
50
60
70
80
90
100
90
80
70
60
50
40
30
20
10
0
5
10
20
30
40
50
60
70
80
90 100
Efficiency(%)
Input Voltage(V)
Efficiency(%)
Total Output Current (%)
The copyright and authority for the interpretation of the products are reserved by
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