URC_D-30WR2 Series
30W,4:1WIDE
INPUT, ISOLATED & REGULATED
THREE OUTPUT DIP DC-DC CONVERTER
FEATURES
●
Efficiency up to 88%
●
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
●
Meet CISP22/EN55022 CLASS A
Patent Protected RoHS
PART NUMBER SYSTEM
URC240515D-30WR2
Rated Power
Package Style
Supplement Output Voltage
Main Output Voltage
Input Voltage
Product Series
APPLICATION
URC_D-30WR2 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.
SELECTION GUIDE
Model
①
Input Voltage(VDC)
Nominal
(Range)
Max
②
Output
Voltage
(VDC)
3.3/±12
Output Current (mA)
Max.
3500/±625
3500/±500
3000/±625
3000/±500
3500/±625
3500/±500
3000/±625
3000/±500
Min.
175/±31
175/±25
150/±31
150/±25
175/±31
175/±25
150/±31
150/±25
Input Current
(mA)(typ.)
@Max. @No
Load
Load
1450
Reflected
Ripple
Current
(mA,typ.)
30
30
Max. Capacitive
Load (µF)
③
Efficiency
(%, typ.)
@Max. Load
85
86
88
88
85
85
88
87
URC240312D-30WR2
URC240315D-30WR2
URC240512D-30WR2
URC240515D-30WR2
URC480312D-30WR2
URC480315D-30WR2
URC480512D-30WR2
URC480515D-30WR2
48
(18-75)
80
24
(9-36)
40
4700/300
4700/220
4700/300
4700/220
4700/300
4700/220
4700/300
4700/220
3.3/±15
5/±12
5/±15
3.3/±12
3.3/±15
5/±12
5/±15
1420
30
720
30
30
30
30
712
30
30
Note:
①
. series with suffix
“H”
are heat sink mounting,for example URC240515D-30WHR2 is with heatsink, URC240515D-30WR2 is without heat sink.
If the application has a higher requirement for heat dissipation, you can choose modules with heat sink.
②.
Absolute maximum rating without damage on the converter,but it isn't recommended.
③
. For dual output converter, the given value is the same for each output.
INPUT SPECIFICATIONS
Item
Input Surge Voltage (1sec.max.)
Test Conditions
24VDC input
48VDC input
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.
-0.7
-0.7
Models ON
Models OFF
Models ON
Models OFF
--
7.8
--
16
--
Typ.
--
--
--
--
--
--
10
Max.
50
100
9
--
17.8
--
--
Unit
VDC
ms
Ctrl leave open or connect TTL high level(2.5-12VDC)
Ctrl connect GND or low level(0-1.2VDC)
--
1
Pi Filter
--
mA
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URC_D-30WR2
2013.03.11-A/0
Page 1 of 6
OUTPUT SPECIFICATIONS
Item
Main Output Voltage Accuracy
Secondary Output Voltage Accuracy
From 5% to 100% load input, Nominal Input
(Main output)
From 5% to 100% load input, Nominal Input
(Secondary output )
100% load, Input voltage from low to high
(Main output)
100% load, Input voltage from low to high
(Secondary output )
100% load(Main output and one Main output
secondary output ).
From 25% to 100% load input(the Secondary
other one secondary output)
output
load step change
100% full load
20MHz Bandwidth
3.3V output
Over Voltage Protection(Inside circuit)
5V output
12V output
15V output
Over Current Protection
Short Circuit Protection
Input voltage range
Test Conditions
Min.
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Typ.
±1
±3
--
--
---
--
--
--
±3
300
--
85
3.9
6.2
15
18
150
Max.
±3
±5
±2
±5
±1
±5
±2
±5
±5
500
±0.03
100
--
--
--
--
--
%Io
VDC
μs
%/°C
mVp-p
%
Unit
%
Load Regulation
Voltage Regulation
Cross Regulation
Transient Response Deviation
Transient Recovery Time
Temperature Drift
Ripple & Noise*
Hiccup, continual, auto-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
Case Material
Size
Without heatsink
With heatsink
Weight
Without heatsink
With heatsink
--
--
Test Conditions
Input-Output ,Tested for 1 minute ,leakage current
less than 1 mA
Input-Output，Test at 500VDC
Input-Output，100KHz/0.1V
PWM mode
MIL-HDBK-217F@25℃
Min.
1500
1000
--
--
1000
Typ.
--
--
2000
400
--
Max.
--
--
--
--
--
Unit
VDC
MΩ
pF
KHz
K hours
Aluminum Alloy
50.8x40.6x11.8
50.8x40.6x16.3
50
70
--
--
g
mm
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 60℃,see Figure 3)
Min.
5
-40
-55
--
--
Typ.
--
--
--
--
--
Max.
95
85
125
105
300
°C
Unit
%
Free air convection
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URC_D-30WR2
2013.03.11-A/0
Page 2 of 6
EMC SPECIFICATIONS
CE
EMI
RE
ESD
RS
EFT
EMS
Surge
CS
Voltage dips, short and
interruptions immunity
CISPR22/EN55022 CLASS A（Without External Circuit）/
Figure1-②）
CISPR22/EN55022 CLASS A（Without External Circuit）/
Figure1-②）
IEC/EN61000-4-2
IEC/EN61000-4-3
IEC/EN61000-4-4
IEC/EN61000-4-5
IEC/EN61000-4-6
Contact
10V/m
±2KV
±2KV
3 Vr.m.s
±4KV
perf. Criteria B
perf. Criteria A
perf. Criteria B（External Circuit Refer to Figure1-①）
perf. Criteria B（External Circuit Refer to Figure1-①）
perf. Criteria A
perf. Criteria B
CLASS B（External Circuit Refer to
CLASS B（External Circuit Refer to
IEC/EN61000-4-29 0%-70%
EMC RECOMMENDED CIRCUIT
LD M
L CM
+Vo1
+Vo2
LO AD
LOAD
MO V
G ND
TVS
C1
C0
C2
FU SE
V in
C3
V in
EUT
0V
GND
LOAD
-Vo 2
①
②
C4
(Figure 1)
Recommended external circuit parameters:
Model
FUSE
MOV
LDM
TVS
C0
C1
LCM
C2
C3
C4
URC24_D-30WR2
URC48_D-30WR2
Choose according to actual input current
10D560K
56μH
SMCJ48A
SMCJ90A
120μF/50V
120μF/100V
4.7μF /50V
2.2μF /100V
2.2mH（FL2D-30-222）
4.7μF /50V
1nF /2KV
1nF /2KV
2.2μF /100V
2nF /2KV
2nF /2KV
10D101K
Note: 1. In Figure 1,part①is EMS Recommended external circuit, part②is EMI recommended external circuit. Choose according to requirements.
2. FL2D-30-222 is the EMC auxiliary component of our company.
EMC RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
EMC TEST WAVEFORM(CLASS B TEST CIRCUIT)
URC240515D-30WR2
CE (Positive line)
URC240515D-30WR2
URC_D-30WR2
CE (Negative line)
2013.03.11-A/0
Page 3 of 6
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URC240515D-30WR2
RE(Horizontal)
URC240515D-30WR2
RE(Vertical)
PRODUCT TYPICAL CURVE
Temperature Derating Graph
Output Power Percent (%)
120
100
80
60
40
20
0
-40
0
40 60 70 85
120
Operating Temp(°C)
Safe Operating Area
With heatsink
Without heatsink
(Figure 3)
Efficiency VS Input Voltage curve
(Full Load)
URC240515D-30WR2
100
95
Efficiency VS Output Load curve
URC240515D-30WR2
(Vin=Vin-nominal)
100
90
80
70
60
50
40
30
20
10
0
5
10 20 30 40 50 60 70 80 90 100
Efficiency(%)
75
70
65
60
55
50
9
12
15
18
21
24
27
30
33
36
Input Voltage(V)
Efficiency(%)
90
85
80
Total Output Current (% )
DIMENSIONS,RECOMMENDED FOOTPRINT & PACKAGING
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URC_D-30WR2
2013.03.11-A/0
Page 4 of 6
HEATSINK ASSEMBLY & PACKAGE DIAGRAM
TEST CONFIGURATIONS
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with an inductor Lin and Cin to simulate source impedance.
Oscilloscope
Lin
Cin
Current
Probe
DC DC
Load
Lin(4.7µH)
Cin(220µF, ESR < 1.0Ω at 100 KHz)
DESIGN CONSIDERATIONS
1) Recommended circuit
All the URC_D-30WR2 Series have been tested according to the following recommended test circuit before leaving the factory (see Figure 4).
If you want to further decrease the input/output ripple, you can increase a capacitance-values properly or choose capacitors with low ESR, but the
total capacitance of the filter capacitor must not exceed the Max. Capacitive Load.
Recommend external capacitor see table 1.
Vi n
Vo 1
Vo 2
Cout
C in
G ND
Cout
Cout
0V
-Vo 2
DC
DC
(Figure 4)
(Table 1)
Vout（VDC）
3.3/5
±12/±15
Cin（uF）
10uF
10uF
Cout（uF)
10uF
4.7uF
2) It is not recommended to increase the output power capability by connecting two or more converters in parallel. The product is not
hot-swappable
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URC_D-30WR2
2013.03.11-A/0
Page 5 of 6
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