URA_D-30W&URB_D-30W SERIES
30W,4:1WIDE
INPUT, ISOLATED & REGULATED
DUAL/ SINGLE OUTPUT DIP DC-DC CONVERTER
FEATURES
●
Efficiency up to 90%
●
4:1 wide input voltage range
●
1500VDC isolation
●
Six-sided metal shield
●
Short circuit protection
(automatic recovery)
●
Operating temperature: -40°C to +85°C
●
Industry standard pinout
Patent Protection
RoHS
APPLICATION
URA_D-30W&URB_D-30W series offer 30W of output，
wide input voltage:9-36VDC
，
18-75VDC
，
and features
1500VDC isolation, six-sided metal shield， over current and
short circuit protection. All models are particularly suitable
for industrial, telecommunication, electric power, test
equipments applications.
PART NUMBER SYSTEM
URB2405D-30W
Rated Power
Package
Output Voltage
Input Voltage
Product Series
SELECTION GUIDE
Input Voltage(VDC)
Model
URA2405D-30W
URA2412D-30W
URA2415D-30W
URB2405D-30W
URB2412D-30W
URB2415D-30W
URA4805D-30W
URA4812D-30W
URA4815D-30W
URB4805D-30W
URB4812D-30W
URB4815D-30W
48
(18-75)
80
24
(9-36)
40
Nominal
(Range)
Max*
Output
Voltage
(VDC)
±5
±12
±15
5
12
15
±5
±12
±15
5
12
15
Output Current (mA)
Max.
±3000
±1250
±1000
6000
2500
2000
±3000
±1250
±1000
6000
2500
2000
Min.
±150
±63
±50
300
125
100
±150
±63
±50
300
125
100
#
Input Current
(mA)(typ.)
@Max.
@No
Load
Load
1450
1420
30
Reflected
Ripple
Current
(mA,typ.)
Max.
Capacitive
#
Load (µF)
2000
1250
680
Efficiency
(%, typ.)
@Max.
Load
86
89
90
88
88
90
86
87
87
88
88
89
Approval
120
1420
30
30
1450
1420
30
6000
2500
1100
2000
1250
680
100
1420
30
6000
2500
1100
Note: 1. *Input voltage can’t exceed this value, or will cause the permanent damage. For each output.
2. Add suffix
“H”
for heat sink mounted, for example URB2405D-30WH.
INPUT SPECIFICATIONS
Item
Test Conditions
Nominal Input
(24V)
Under Voltage Lockout
Nominal Input
(48V)
Start-up Time
Models ON
Ctrl*
Models OFF
Input current (Models OFF)
Input Filter
Note:* The CTRL pin voltage is referenced to GND.
Min.
Models ON
Models OFF
Models ON
Models OFF
--
8
--
16
--
Typ.
--
--
--
--
10
Max.
9
--
17.8
--
--
Unit
VDC
ms
Ctrl leave open or connect TTL high level(3.5-12VDC)
Ctrl connect GND or low level(0-1.2VDC)
--
--
Pi Filter
1
mA
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URA_D-30W&URB_D-30W
2013.05.31-A/2
Page 1 of 6
OUTPUT SPECIFICATIONS
Item
Output Power
Output Voltage Accuracy
Load Regulation
Voltage Regulation
Cross Regulation*
Transient Response Deviation
Transient Recovery Time
Temperature Drift
Ripple & Noise*
Trim
5V output
Over Voltage Protection
12V output
15V output
Over Current Protection
Short Circuit Protection
Input voltage range
100% load
20MHz Bandwidth
Refer to recommended circuit
From 10% to 100% load input
100% load, Input voltage from low to high
From 25% to 100% load input(Dual Output)
25% load step change
Test Conditions
Min.
1.5
--
--
--
--
--
--
--
--
--
--
--
--
110
Typ.
--
±1
±0.5
±0.2
--
±3
300
±0.02
85
±10%Vo
6.1
15
18
130
Max.
30
±3
±1
±0.5
±5
±5
500
--
120
--
--
--
--
--
%Io
VDC
μs
%/°C
mVp-p
%
Unit
W
Hiccup, continual, auto-recovery
Note: 1.* Dual output models unbalanced load (25/100%):
±5%Max.
2.**Test ripple and noise by
“parallel
cable” method. See detailed operation instructions at
DC-DC Application Notes
.
COMMON SPECIFICATIONS
Item
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
MTBF
Case Material
Weight
Without heatsink
With heatsink
--
--
Test Conditions
Tested for 1 minute and leakage current less than 1 mA
Test at 500VDC
Input/Output,100KHz/1V
Full load, nominal input
MIL-HDBK-217F@25℃
Min.
1500
1000
--
--
1000
Typ.
--
--
2000
400
--
Max.
--
--
--
--
--
Unit
VDC
MΩ
pF
KHz
K hours
Aluminum Alloy
40
52
--
--
g
ENVIRONMENTAL SPECIFICATIONS
Item
Storage Humidity
Operating Temperature
Storage Temperature
The Max. Case Temperature
Lead Temperature
Cooling
Operating Temperature curve range
1.5mm from case for 10 seconds
Test Conditions
Non condensing
Power derating (above 55
℃
)
Min.
5
-40
-55
--
--
Typ.
--
--
--
--
--
Max.
95
85
125
105
300
°C
Unit
%
Free air convection
EMC SPECIFICATIONS
EMI
CE
RE
ESD
EMS
EFT
Surge
CISPR22/EN55022
CISPR22/EN55022
IEC/EN61000-4-2
IEC/EN61000-4-4
IEC/EN61000-4-5
CLASS B（External Circuit Refer to Figure1）
CLASS B（External Circuit Refer to Figure1）
Contact
±2KV
±2KV
±4KV
perf. Criteria B
perf. Criteria B（External Circuit Refer to Figure1）
perf. Criteria B（External Circuit Refer to Figure1）
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URA_D-30W&URB_D-30W
2013.05.31-A/2
Page 2 of 6
EMC RECOMMENDED CIRCUIT
FUS E
Vi n
LDM
LCM
C3
Vin
LOAD
MO V
G ND
TV S
C1
C0
C2
+ Vo
FUS E
Vi n
LDM
LCM
C3
V in
+Vo
EUT
G ND
0V
LOAD
- Vo
GND
MO V
TVS
C1
C0
C2
EUT
G ND
- Vo
(0 V )
LOAD
①
②
C4
①
②
C4
URA_D-30W
(Figure 1)
Recommended external circuit parameters:
URB_D-30W
Model
FUSE
MOV
LDM
TVS
C0
C1
LCM
C2
C3、C4
URA24_D-30W
URB24_D-30W
URA48_D-30W
URB48_D-30W
Choose according to practical input current
S10K35
56μH
SMCJ48A
680μF/50V
1μF /100V
1mH(0.1V 100KHZ)15T core
:TS7
T12*6*4
2.2μF /100V
0.1nF/2KV
--
0.1nF/2KV
--
SMCJ90A
680μF/100V
S10K60
Note: 1. In Figure 1, part
①
is EMS Recommended external circuit, part
②
is EMI recommended external circuit. Choose according to requirements.
2. If want to meet higher level of RE, add a common mode inductance after Lcm in figure 1: 1.5mH 20T core:A10 T12*6*4 .
EMC RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
EMC TEST WAVEFORM (CLASS B APPLY CIRCUIT)
URA4815D-30W
CE (Positive line)
URA4815D-30W
CE (Negative line)
2013.05.31-A/2
Page 3 of 6
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URA_D-30W&URB_D-30W
URB2405D-30W
CE(Positive line)
URB2405D-30W
CE(Negative line)
URA4815D-30W
RE(Horizontal)
URA4815D-30W
RE(Vertical)
URB2405D-30W
RE(Horizontal)
URB2405D-30W
RE(Vertical)
PRODUCT TYPICAL CURVE
Output Power Percent (%)
120
100
80
60
40
20
0
-40
0
40 5565 85
120
Operating Temp(°C)
Safe Operating Area
With heatsink
Without heatsink
Efficiency VS Input Voltage curve
(Full Load)
URA4815D-30W
100
90
Efficiency VS Output Load curve
(Vin=Vin-nominal)
URA4815D-30W
100
90
80
70
60
50
40
30
20
10
0
10
20
30 40 50 60 70 80 90 100
Total Output Current (%)
Efficiency(%)
50
40
30
20
10
0
18
24
30
36
42
48
54
60
66
75
Input Voltage(V)
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
Efficiency(%)
80
70
60
URA_D-30W&URB_D-30W
2013.05.31-A/2
Page 4 of 6
Efficiency VS Input Voltage curve
(Full Load)
URB2405D-30W
100
90
80
70
60
50
40
30
20
10
0
9
12
15
18
21
24
27
30
33
36
Efficiency VS Output Load curve
(Vin=Vin-nominal)
URB2405D-30W
100
90
80
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
90 100
Efficiency(%)
Input Voltage(V)
Efficiency(%)
Total Output Current (% )
OUTLINE DIMENSIONS, RECOMMENDED FOOTPRINT & PACKAGING
HEATSINK ASSEMBLY & PACKAGE DIAGRAM
The copyright and authority for the interpretation of the products are reserved by
MORNSUN
URA_D-30W&URB_D-30W
2013.05.31-A/2
Page 5 of 6
PCB设计
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
