WRF4803S-1WR2 [MORNSUN]
DUAL/SINGLE OUTPUT DC-DC CONVERTER;
| 型号： | WRF4803S-1WR2 |
| 厂家： | 
MORNSUN SCIENCE& TECHNOLOGY LTD. |
| 描述： | DUAL/SINGLE OUTPUT DC-DC CONVERTER DC-DC转换器 输出元件 |
| 文件： | 总7页 (文件大小：806K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FEATURES
WRE_S - 1WR2 & WRF_S-1WR2 Series
1W，WIDE INPUT, ISOLATED & REGULATED
DUAL/SINGLE OUTPUT DC-DC CONVERTER
● Ultra-Miniature SIP Package
● 2:1 wide input voltage range
● Operating temperature range: -40°C ~ +85°C
● 3KVDC isolation
● Short circuit protection(automatic recovery)
● External On/Off control
● High Power Density
APPLICATION
Patent Protected RoHS
The WRE_S-1WR2 & WRF_S-1WR2 Series are specially
designed for applications where a wide range input voltage power
supplies are isolated from the input power supply in a distributed
PART NUMBER SYSTEM
power supply system on
a circuit board. For these DC-DC
WRF2405S-1WR2
converters, You can reduce the design point of failure and save the
development of micro power supply‘s manpower, material and
time costs, also better ensure product quality stability, protect
safety and reliability of the end of products.
These products apply to where:
1) Input voltage range ≤2:1;
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
2) Input and output isolation ≤3KVDC;
3) Regulated and low ripple noise is required.
Such as: industrial control, telecommunication etc.
SELECTION GUIDE
Input Voltage(VDC)
Output Current (mA) Input Current (mA)(typ.)
Reflected
Ripple
Current
(mA,typ.)
Efficiency
(%, typ.)
@Max.
Load
Max.
Output
Voltage
(VDC)
@Max.
Load
@No
Load
Capacitive
Model
Nominal
①
②
Load (µF)
Max.
Min.
Max.
(Range)
WRE0505S-1WR2
WRE0512S-1WR2
WRE0515S-1WR2
WRF0505S-1WR2
WRF0512S-1WR2
WRF0515S-1WR2
WRE1205S-1WR2
WRE1212S-1WR2
WRE1215S-1WR2
WRF1203S-1WR2
WRF1205S-1WR2
WRF1209S-1WR2
WRF1212S-1WR2
WRF1215S-1WR2
WRE2405S-1WR2
WRE2412S-1WR2
WRE2415S-1WR2
WRF2403S-1WR2
WRF2405S-1WR2
WRF2412S-1WR2
WRF2415S-1WR2
WRF2424S-1WR2
WRE4805S-1WR2
WRE4812S-1WR2
WRE4815S-1WR2
WRF4803S-1WR2
WRF4805S-1WR2
±5
±12
±15
5
±100
±42
±33
200
83
±5
±2
±2
10
4
274
263
267
278
263
267
107
103
104
112
108
106
104
104
52
1000
470
73
76
75
72
76
75
78
81
80
75
77
79
80
80
80
80
80
75
77
81
79
77
76
80
80
75
76
330
5
11
25
30
(4.5-9)
2200
1000
680
12
15
67
3
±5
±100
±42
±33
303
200
111
83
±5
±2
±2
15
10
6
1000
470
±12
±15
3.3.
5
330
2700
2200
1800
1000
680
12
20
12
40
(9-18)
9
12
4
15
67
3
±5
±100
±42
±33
303
200
83
±5
±2
±2
15
10
4
1000
470
±12
±15
3.3
5
52
52
330
56
2700
2200
1000
680
24
40
6
55
(18-36)
54
12
51
15
67
3
53
24
42
2
54
470
±5
±100
±42
±33
303
200
±5
±2
±2
15
10
27
1000
470
±12
±15
3.3
5
26
48
80
4
70
26
330
(36-75)
28
2700
2200
27
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 1 of 7
WRF4812S-1WR2
WRF4815S-1WR2
12
15
83
67
4
3
26
26
1000
680
81
80
48
(36-75)
80
4
70
Note: ①. Absolute maximum rating without damage on the converter, but it isn't recommended;
②. For dual output converter, the given value is the same for each output.
INPUT SPECIFICATIONS
Item
Test Conditions
Min.
-0.7
-0.7
-0.7
-0.7
3.5
Typ.
--
Max.
12
Unit
5V input
12V input
24V input
48V input
5V input
--
25
Input Surge Voltage (1sec. max.)
--
50
--
100
4.5
9
VDC
4
12V input
24V input
48V input
4.5
8
Start-up Voltage
11
16
33
18
24
36
Input Filter
Ctrl*
C Filter
Ctrl open or be insulated
Connect high level voltage, and ensure the current into Ctrl to be 5-10mA
Models ON
Models OFF
Note: *Please refer to "DESIGN CONSIDERATIONS" as the direction for use of Ctrl .
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min.
--
Typ.
Max.
Unit
%
Output Voltage Accuracy
5% to 100% load
±1
±3
No-load Output Voltage Accuracy Input voltage range
--
±1.5
±0.3
±0.2
±5
Output Voltage Balance
Line Regulation
Dual output, balanced loads
--
±0.5
±0.5
Full load, Input voltage from low to high
5% to 100% load
--
Load Regulation
±0.4
0.5
±0.75
2
--
--
Transient Recovery Time
Transient Response Deviation
Temperature coefficient
Ripple *
ms
25% load step change
100% load
--
--
--
--
±2.5
±0.02
30
±5
%
±0.03
50
%/°C
20MHz Bandwidth
mVp-p
Noise*
50
100
Output Short Circuit Protection
Continuous, automatic recovery
Note:*Ripple and noise tested with "parallel cable" method. See detailed operation instructions at DC-DC application notes.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
3000
1000
--
Typ.
--
Max.
--
Unit
VDC
MΩ
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Input-Output, Tested for 1 minute, leakage current less than 1 mA
Input-Output, Test at 500VDC
--
--
Input-Output,100KHz/0.1V
30
200
--
50
--
pF
Switching Frequency(PFM Mode) 100% load, Nominal Input voltage
--
KHz
MTBF
MIL-HDBK-217F@25℃
1000
--
K hours
Case Material
Weight
Plastic（UL94-V0）
4.9 --
--
g
ENVIRONMENTAL SPECIFICATIONS
Item
Test Conditions
Min.
--
Typ.
Max.
95
Unit
%
Storage Humidity
Operating Temperature
Storage Temperature
Temp. rise at full load
Lead Temperature
Cooling
Non condensing
--
--
Power derating (above85℃, see Figure 5)
-40
-55
--
85
--
125
--
°C
Ta=25°C
25
--
1.5mm from case for 10 seconds
--
300
Free air convection
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 2 of 7
EMC SPECIFICATIONS
CE
CISPR22/EN55022 CLASS B (Recommended Circuit Refer to Figure1-② or Figure 3)
CISPR22/EN55022 CLASS B (Recommended Refer to Figure1-②or Figure 3)
EMI
RE
ESD
RS
IEC/EN61000-4-2
IEC/EN61000-4-3
IEC/EN61000-4-4
IEC/EN61000-4-4
IEC/EN61000-4-5
IEC/EN61000-4-6
Contact ±4KV
perf. Criteria B
perf. Criteria A
perf. Criteria B
perf. Criteria B
perf. Criteria B
perf. Criteria A
10V/m
±2KV (Recommended Circuit Refer to Figure1-①)
±4KV (Recommended Circuit Refer to Figure 3)
±2KV (Recommended Circuit Refer to Figure1-① or Figure 3)
3 Vr.m.s
EFT
EMS
Surge
CS
Voltage dips, short and
interruptions immunity
IEC/EN61000-4-29 0%-70%
perf. Criteria B
EMC RECOMMENDED CIRCUIT
LDM1
LDM2
FUSE
Vin
Vin
+Vo
D1
R
+
Ctrl
Ctrl EUT
LOAD
C1
C2
CY
MOV
TVS
C0
Cd
GND
GND
-Vo
(0V)
①
②
③
(Figure1)
Recommended external circuit parameters:
Model
FUSE
MOV
LDM1
TVS
C0
Vin:5V
Vin:12V
Vin:24V
Vin:48V
Choose according to practical input current
--
--
--
S14K35
56μH
S14K60
56μH
--
SMCJ13A
680μF/16V
SMCJ28A
680μF/25V
4.7μF/50V
SMCJ48A
330μF/50V
SMCJ90A
330μF/100V
4.7μF/100V
C1
LDM2
C2
12μH
4.7μF/50V
4.7μF/100V
CY
1nF/3KV
D1
RB160M-60/1A
VC -VD -1.0
Follows:
R =
-300
R
IC
Cd
47nF/100V
Note:1.In Figure 1,part ① is EMS recommended external circuit, part ② is EMI recommended external circuit. Choose according to requirements;
2.VC is the voltage to GND from Ctrl,VD is the forward conduction voltage drop of D1,IC is the current through Ctrl pin which is normally 5-10mA, the external circuit
of Ctrl is as shown in figure1-③;
3. If there is no recommended parameters, the model no require the external component.
EMC RECOMMENDED CIRCUIT PCB LAYOUT
DUAL
SINGLE
(Figure 2)
Note: The pad space between input and output GND (CY) must≥2mm.
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 3 of 7
EMC MODULE APPLICATION CIRCUIT
FUSE
+Vo
Vin
+Vin
+Vin
FS-A01D
-Vin
+Vin
EUT
D1
Cd
R
Ctrl
+Vo
-Vo
+Vo
-Vo
Ctrl
Load
FT-A/BX1D
-Vin
-Vo
(0V)
-Vin
GND
FS-A01D,FT-A/BX1D are MORNSUN’s EFT suppressers
(Figure 3)
EMC MODULE RECOMMENDED CIRCUIT PCB LAYOUT
DUAL
SINGLE
(Figure 4)
EMI TEST WAVEFORM (RECOMMENDED CIRCUIT FINGURE 1-②)
WRE2405S-1WR2 CE(Class B, Negative line)
WRE2405S-1WR2 CE(Class B, Positive line)
WRF2405S-1WR2 CE(Class B, Positive line)
WRF2405S-1WR2 CE(Class B, Negative line)
PRODUCT TYPICAL PERFORMANCE CURVE
Temperature Derating Graph
120
100
80
60
Safe Operating Area
40
20
0
-40
105120
85
0
40
Ambient Temp.(
℃)
(Figure 5)
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 4 of 7
Efficiency VS Input Voltage curve
(Full Load)
Efficiency VS Output Load curve
(Vin=Vin-nominal)
WRE2405S-1WR2
WRE2405S-1WR2
100
100
90
80
70
60
50
40
30
20
10
0
95
90
85
80
75
70
65
60
55
50
10 20 30 40 50 60 70 80 90 100
18
21
24
27
30
33
36
Total Output Current (%)
Input Voltage(V)
Efficiency VS Input Voltage curve
(Full Load)
Efficiency VS Output Load curve
(Vin=Vin-nominal)
WRF2405S-1WR2
WRF2405S-1WR2
100
100
90
80
70
60
50
40
30
20
10
0
95
90
85
80
75
70
65
60
55
50
18
21
24
27
30
33
36
10 20 30 40 50 60 70 80 90 100
Total Output Current (%)
Input Voltage(V)
OUTLINE DIMENSIONS, RECOMMENDED FOOTPRINT & PACKAGING
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 5 of 7
TEST CONFIGURATIONS
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate the source impedance.
Oscilloscope
Lin
Current
Probe
Load
Cin
DC
DC
Lin(4.7µH)
Cin(220µF, ESR < 1.0Ω at 100 KHz)
DESIGN CONSIDERATIONS
1) Requirement on output load
To ensure this module can operate efficiently and reliably, during operation, the minimum output load could not be less than 5% of the full load,
otherwise output ripple maybe increase dramatically. If the actual output power is very small, please connect a resistor with proper resistance at the
output end in parallel to increase the load, suppose to use the resistance of 5% rated power,or use our company’s products with a lower rated output
power.
2) Recommended Circuit
All the WRE_S-1WR2 & WRF_S-1WR2 series have been tested according to the following recommended test circuit before leaving the factory
(see Figure 6).
If you want to further decrease the input/output ripple, you can increase a capacitance-values properly or choose capacitors with low ESR.
However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel
of output, provided the safe and reliable operation is ensured, the greatest capacitance must be less than the Max. Capacitive Load.
General: Cin1:
5V&12V
24V&48V
100μF
10μF
47μF
1μF
Cin2: 5V&12V
24V&48V
Lin:
4.7μH~12μH
Cs:
10μF~22μF
Cout: 100μF(Typ.)
Lout:
2.2μH~10μH
Cd:
47nF/100V
Single output
Dual output
Lin
Lout
Lout
Lin
2
2
1
6
6
Vin
+Vo
0V
Vin
GND
+Vo
0V
Cout
Cout
Cin1 Cin2
Cin1 Cin2
8
7
7
8
Cout
Cs
1
-Vo
GND
Vc
Cd
D1 Ic
D1 Ic
Cd
R
R
3
3
Vc
(Figure 6)
3) Ctrl Terminal
When open or high impedance, the converter works well; When this pin is ‘high’, the converter shut down. It should be note that the input current
should be between 5-10mA,exceeding the maximum 20mA will cause permanent damage to the converter. The value of R can be derived as follows:
VC -VD -1.0
R =
- 300
IC
For Detailed parameter,please refer to "EMC RECOMMENDED CIRCUIT".
4) Input Current
When it is used in unregulated power supply, be sure that the fluctuating range of the power supply and the rippled voltage do not exceed the
module standard. Input current of power supply should afford the flash startup average current of this kind of DC/DC module (Figure 7).
General: Vin=5V
Iave =450mA
Vin=12V Iave =220mA
Vin=24V Iave =110mA
Vin=48V Iave =55mA
Iave
Input Voltage
Range
Input Voltage (V)
(Figure 7)
5) 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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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 6 of 7
Note:
1. Min. load shouldn't be less than 5%, otherwise ripple maybe increased dramatically. If the product operates under min. load, it may not be
guaranteed to meet all specifications listed. Operation under minimum load will not damage the converter.
2. Recommended Dual output models unbalanced load is ≤±5%, if the product operates >±5%, it may not be guaranteed to meet all specifications
listed. Please contact our technical support for more details.
3. Max. Capacitive Load is tested at input voltage range and full load.
4. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
5. In this datasheet, all test methods are based on our corporate standards.
6. All characteristics are for listed models,and non-standard models may perform differently.Please contact our technical support for more details.
7. Please contact our technical support for any specific requirement.
8. Specifications of this product are subject to changes without prior notice.
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development center, Science Ave., Guangzhou Science City, Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Fax:86-20-38601272
E-mail: info@mornsun.cn
Http://www.mornsun-power.com
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WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 7 of 7
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