WRA2405ZD-3W [MICRODC]
3W, WIDE INPUT, ISOLATED & REGULATED DUAL OUTPUT DC-DC CONVERTER; 3W ，宽电压输入，隔离稳压双输出DC- DC转换器
| 型号： | WRA2405ZD-3W |
| 厂家： | 
MICRODC POWER TECHNOLOGY CO., LTD |
| 描述： | 3W, WIDE INPUT, ISOLATED & REGULATED DUAL OUTPUT DC-DC CONVERTER |
| 文件： | 总3页 (文件大小：1683K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WRA-ZD-3W＆WRB-ZD-3W Series
3W, WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
SELECTION GUIDE
Input
Output
Current(mA)
Efficiency
(%.Typ.)
Voltage
(VDC)
Order code
Voltage(VDC)
No-load
FEATURES
(mA)(typ)
Nominal
24
Range
9-36
Max*
40
Max.
Min.
◆Wide (4:1) Input Range
±300
WRA2405ZD-3W
16
±5
±30
76
◆Short Circuit Protection(automatic recovery)
◆1500VDC Isolation
WRA2412ZD-3W
WRA2415ZD-3W
WRB2403ZD-900
WRB2403ZD-3W
WRB2405ZD-3W
WRB2412ZD-3W
WRB2415ZD-3W
WRA4805ZD-3W
WRA4812ZD-3W
WRA4815ZD-3W
WRB4803ZD-3W
WRB4805ZD-3W
WRB4812ZD-3W
WRB4815ZD-3W
24
24
24
24
24
24
24
48
48
48
48
48
48
48
9-36
9-36
40
40
40
40
40
40
40
80
80
80
80
80
80
80
16
16
16
16
16
16
16
8
±12
±15
3.3
3.3
5
±125
±100
900
±12
±10
90
81
83
76
74
76
81
81
85
83
85
74
78
80
80
◆Operating Temperature: -40℃～﹢85℃
◆Five sided metal shielding
◆No external component required
◆Internal SMD construction
◆RoHS Compliance
9-36
9-36
909
91
9-36
600
60
9-36
12
250
25
9-36
15
200
20
18-72
18-72
18-72
18-72
18-72
18-72
18-72
±5
±12
±15
3.3
5
±300
±125
±100
909
±30
±12
±10
91
◆MTBF>1000Khours
8
MODEL SELECTION
8
①
②
③
④
⑤
⑥
WRB 24 12 Z D -3W(250)
8
①Product Series ②Input Voltage
③Output Voltage ④Wide (4:1) Input Range
⑤DIP Package Style
8
600
60
8
12
250
25
⑥Rated Power(Output current)
8
15
200
20
*Input voltage can’t exceed this value,or will cause the permanent damage.
APPLICATIONS
The WRA_ZD-3W&WRB_ZD-3W 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:
COMMON SPECIFICATIONS
1)Where the voltage of the input power
supply is wide range(Voltage range≤4:1);
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.
Parameter
Conditions
Min. Typ. Max. Units
Storage humidity
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Cooling
95
85
%
℃
℃
℃
℃
-40
-55
125
15
1.5mm from case for 10 seconds
300
Free Air Convection
Continuous,automatic recovery
Steel,nickel plated, plastic
Short circuit protection
Case material
MICRODC RESERVES THE COPYRIGHT
Tested for1 minute and 1mA max
Test at 500VDC
Isolation voltage
Isolation resistance
Isolation Capacitance
MTBF
1500
1000
VDC
MΩ
1000
15
pF
1000
K hours
g
Weight
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 1 of 3
WRA-ZD-3W＆WRB-ZD-3W Series
TEMPERATURE CHARACTERISTICS
TYPICAL CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
3
Units
Temperature Derating Graph
Output power
See below products program
0.3
W
%
Positive voltage accuracy
Negative voltage accuracy
Load regulation
Refer to recommended circuit
Refer to recommended circuit
Form 10% to 100% load
Input voltage from low to high
Refer to recommended circuit
20MHz Bandwidth
±1
±3
±3
±5
%
±0.5
±0.2
±1*
±0.5
±0.03
150
%
Line regulation
%
Temperature drift (Vout)
Ripple**
%/℃
mVp-p
mVp-p
KHz
75
75
Noise**
20MHz Bandwidth
150
Switching frequency
100% load, input voltage range
300
RECOMMENDED CIRCUIT
*
Dual output models unbalanced load: ±5%.
Output Graph
** Test ripple and noise by “parallel cable” method. See detailed operation instructions at
Testing of Power Converter section, application notes.
Case material
APPLICATION NOTE
Requirement on output load
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.
Recommended Circuit
All the WRA_ZD-3W&WRB_ZD-3W Series have been tested according to
the following recommended testing circuit before leaving factory.This series
should be tested under load(see Figure 1).
If you want to further decrease the input/output ripple,you can increase
capacitance properly or choose capacitors with low ESR. However, the
capacitance should not be too high, or may cause start-up problem.
General:
Cin: 24V＆48V 10μF-47μF
Cout: 10μF/100mA
Output External Capacitor Table(Table 1)
Input current
Single Vout
Cout
(μF)
2200
1000
470
Dual Vout Cout
While using unstable power source,please ensure the output voltage and
ripple voltage do not exceed indexes of the converter.The preceding power
source must be able to provide for converter sufficient starting current
Ip(Figure 2).
(VDC)
3.3
5
(VDC)
±5
(μF)
680
330
220
--
General:Ip≤1.4*Iin-max
±12
±15
--
12
No parallel connection or plug and play
15
330
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 2 of 3
WRA-ZD-3W＆WRB-ZD-3W Series
OUTLINE DIMENSIONS ＆ FOOTPRINT DETAILS
MECHANICAL DIMENSIONS
RECOMMENDED FOOTPRINT
RECOMMENDED FOOTPRINT
Top view grid:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
Note:
Unit:mm[inch]
Pin section tolerances:±0.10mm[±0.004inch]
General tolerances:±0.25mm[±0.010inch]
FOOTPRINT DETAILS
TUBE OUTLINE DIMENSIONS
Pin
2、3
9
Single
GND
NC
Dual
GND
0V
10、15
11
NC
NC
NC
-Vo
+Vo
0V
14
+Vo
0V
16
22、23
Vin
Vin
NC:No connection
When the environment temperature is higher than 71℃, the
product output power should be less then 60% of the rated
power.
Note:
Unit :mm[inch]
General tolerances:±0.50mm[±0.020inch]
L=530mm[20.866inch] Tube Quantity: 15pcs
L=220mm[8.661inch] Tube Quantity: 6pcs
No parallel connection or plug and play.
Use dual output simultaneously,forbid pening output pin (0V)
to use as single output.
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.
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 3 of 3
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