WRB1209LT-2W [MORNSUN]
SINGLE/DUAL OUTPUT DC/DC CONVERTER; 单/双输出DC / DC转换器
| 型号： | WRB1209LT-2W |
| 厂家： | 
MORNSUN SCIENCE& TECHNOLOGY LTD. |
| 描述： | SINGLE/DUAL OUTPUT DC/DC CONVERTER |
| 文件： | 总3页 (文件大小：150K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WRA_LT-2W & WRB_LT-2W Series
2W, WIDE INPUT, ISOLATED & REGULATED
SINGLE/DUAL OUTPUT DC/DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
Wide (2:1) input range
Operating temperature: -40°C ~ +85°C
1500VDC isolation
No heat sink required
Internal SMD construction
MTBF>1,000,000 hours
Short circuit protection(Automatic recovery)
Industry standard pinout
RoHS Compliance
Input
Output
Part
Number
Efficiency
(%, Typ.)
Voltage (VDC)
Current (mA)
Min.
Voltage
(VDC)
Nominal Range Max.*
Max.
±200
±83
±67
500
400
222
167
133
±200
±83
±67
500
400
222
167
133
WRA1205LT-2W
WRA1212LT-2W
WRA1215LT-2W
WRB1203LT-1W6
WRB1205LT-2W
WRB1209LT-2W
WRB1212LT-2W
WRB1215LT-2W
WRA2405LT-2W
WRA2412LT-2W
WRA2415LT-2W
WRB2403LT-1W6
WRB2405LT-2W
WRB2409LT-2W
WRB2412LT-2W
WRB2415LT-2W
±5
±12
±15
3.3
5
±20
±8
±7
50
40
22
16
13
±20
±8
±7
50
40
22
16
13
74
78
80
70
74
76
78
79
74
78
80
72
76
78
80
80
12
9-18
22
9
12
15
±5
±12
±15
3.3
5
APPLICATIONS
The WRA_LT-2W & WRB_LT-2W Series are
specially designed for applications where a wide
range input voltage power supplies are isolated
from the input power supply in a distributed
power supply system on a circuit board.
These products apply to:
24
18-36
40
1) Where the voltage of the input power supply is
wide range(voltage range ≤2:1);
9
12
15
2) Where isolation is necessary between input
and output (Isolation Voltage ≤1500VDC);
3) Where the regulation of the output voltage
and the output ripple noise are demanded.
*Input voltage can’t exceed this value, or will cause the permanent damage.
COMMON SPECIFICATIONS
MODEL SELECTION
WRB2412LT-2W
Item
Test conditions
Min.
Typ.
Max.
95
Units
%
Storage humidity range
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Short circuit protection
Cooling
Rated Power
Package Style
Output Voltage
85
-40
-55
125
Input Voltage
°C
Product Series
15
1.5mm from case for 10 seconds
245
Continuous, automatic recovery
Free air convection
MORNSUN Science & Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou Industrial
District, Guangzhou, China
Package material
MTBF
Epoxy Resin (UL94-V0)
Tel: 86-20-38601850
Fax: 86-20-38601272
1000
K hours
g
Http://www.mornsun-power.com
Weight
5.2
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
WRA_LT_2W & WRB_LT_2W A/2-2009 Page 1 of 3
ISOLATION SPECIFICATIONS
TYPICAL TEMPERATURE CUTVE
Item
Test conditions
Min.
Typ.
85
Max. Units
Isolation voltage
Isolation resistance
Isolation Capacitance
Tested for 1 minute and 1mA max. 1500
VDC
MΩ
pF
Test at 500VDC
Input/Output
1000
OUTPUT SPECIFICATIONS
Item
Test conditions
Min.
0.2
Typ.
Max. Units
100
Output power
See above products program
2
±3
W
Operating Temp.(
C )
Positive voltage accuracy Refer to recommended circuit
Negative voltage accuracy Refer to recommended circuit
±1
±3
±5
Recommended Reflow Profile
%
5 0 Se c M a x
(>2 2 0
P e ak .Tem p 2 3 5~ 24 5
Load regulation
From 10% to 100% load
±0.5
±0.2
±1*
±0.5
℃
)
250
℃
Line regulation
Input voltage from low to high
Refer to recommended circuit
20MHz Bandwidth
2 20
1 90
℃
200
150
100
℃
Temperature Drift (Vout)
Output ripple& noise**
Switching frequency
±0.03 %/°C
9 0 Se c M a x
(>1 9 0
℃
)
35
75
mVp-p
KHz
100% load, nominal input voltage
300
*Dual output models unbalanced load: ±5%.
**Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power
Converter section, application notes.
50
0
Time (sec.)
APPLICATION NOTE
RECOMMENDED CIRCUIT
Requirement On Output Load
+Vout
0V
Vin
In order to ensure the product operate efficiently and reliably, in addition to a max load
(namely full load), a minimum load is specified for this kind of DC/DC converter. Make sure the
specified range of input voltage is not exceeded, the minimum output load no less than 10%
load. If the actual load is less than the specified minimum load, the output ripple may increase
sharply while its efficiency and reliability will reduce greatly. If the actual output power is very
small, please add an appropriate resistor as extra loading, or contact our company for other
lower output power products.
Cin
DC DC
GND
-Vout
Single Output
Vin
+Vout
0V
Cin
DC DC
GND
Recommended Circuit
(Figure 1)
All the WRA_LT-2W & WRB_LT-2W Series have been tested according to the following
recommended testing circuit before leaving factory. This series should be tested under load.
(See Figure 1).
Ip
If you want to further decrease the input/output ripple, you can increase capacitance
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 of its filter capacitor sees (Table 1).
Input Voltage
Range
General: Cin: 12V
24V&48V
Cout: 10μF/100mA
100μF
Input Voltage (V)
(Figure 2)
10μF~47μF
Input Current
Output External Capacitor Table(Table 1)
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 current of this kind of DC/DC module. (Figure 2)
General: Ip ≤1.4*Iin-max:
Single Vout
(VDC)
Cout
(uF)
2200
Dual Vout
(VDC)
±5
Cout
(uF)
680
3.3
5
9
1000
680
470
330
±9
±12
±15
-
470
330
220
-
12
15
No parallel connection or plug and play
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
WRA_LT_2W & WRB_LT_2W A/2-2009 Page 2 of 3
OUTLINE DIMENSIONS & PIN CONNECTIONS
RECOMMENDED FOOTPRINT
MECHANICAL DIMENSIONS
DUAL/SINGLE OUTPUT
(Side View)
1.02[0.040]
0.50[0.020]
16
10
9
8
23.86[0.939]
3.04[0.120]
15.24[0.600]
2.54[0.100]
1
7
16
10
7
9
8
(Top View)
2.54[0.100]
1.00[0.039]
1
TUBE DUTLINE DIMENSIONS
0.25[0.010]
1.40[0.055]
20.70[0.815]
13.80[0.543]
Note:
Unit:mm[inch]
Pin section tolerances:±0.10mm[±0.004inch]
General tolerances:±0.25mm[±0.010inch]
FOOTPRINT DETAILS
Pin
1
Single
GND
NC
Dual
GND
NC
0.60[0.024]
10.00[0.394]
7
Note:
Unit :mm[inch]
General tolerances: ±0.50mm[±0.020inch]
8
NC
+Vo
0V
0V
+Vo
9
10
-Vo
Vin
L=530mm[20.866inch] Tube Quantity: 21pcs
L=220mm[8.661inch]
Vin
16
Tube Quantity: 8pcs
NC: No connection
Note:
1. The load shouldn't be less than 10%, otherwise ripple will increase dramatically.
2. Operation under 10% load will not damage the converter; However, they may not meet all specification listed.
3. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
4. In this datasheet, all the test methods of indications are based on corporate standards.
5. Only typical models listed, other models may be different, please contact our technical person for more details.
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
WRA_LT_2W & WRB_LT_2W A/2-2009 Page 3 of 3
相关型号：
WRB1209S-1WR2
DC-DC Regulated Power Supply Module, 1 Output, 0.999W, Hybrid, ROHS COMPLIANT, PLASTIC, SIP-8/7
MORNSUN
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