English
Language : 

WRD050505MP-3W Datasheet, PDF (2/2 Pages) MORNSUN Science& Technology Ltd. – TWIN OUTPUT DIP DC-DC CONVERTER
COMMON SPECIFICATION
Item
Test conditions
Min Typ Max Units
Storage Humidity
95
%
Operating temperature
-40
85
Storage Temperature
Temp. rise at full load
-55
125 ℃
15
Lead temperature
1.5mm from case for 10 seconds
300
Cooling
Free Air Convection
Case Material
P: Plastic (UL94-V0) MP: Steel, Nickel Plated
Short circuit protection
Continuous, Automatic Recovery
Isolation voltage
Isolation resistance
1500
1000
VDC
MΩ
MTBF
1000
K hours
Weight
15
g
TYPICAL CHARECTERISTICS
Operating Temp.( C )
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
31.80(1.252)
23
9 1011
(Bottom View)
23 22
1615 14
2.54
( 0.100 )
22.86(0.900)
4.47
( 0.173 )
First Angle Projection
RECOMMENDED FOOTPRINT
Top view,grid:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
2322
23
161514
9 10 11
Recommended Circuit
All the WRD_(M)P-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).
Vin
Cin
GND
Cout
DC DC
Cout
(Figure 1)
+Vo1
0V1
0V2
+Vo2
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. If you want to use the products in
high EMI, please choose our metal packaged
products(WRD_MP-3W). For every channel of
output, provided the safe and reliable operation is
ensured, the greatest capacitance of its filter
capacitor sees (Table 1). General:
Cin: 5V,12V 100μF
24V,48V 22/10μF
Cout: 10μF/100mA
Output External Capacitor Table (Table 1)
Vout(VDC)
Cout(uF)
5
680
9
470
12
330
15
220
24
100
Input current
While using unstable power source, please ensure
the output voltage and ripple voltage do not excced
indexes of the converter. The preceding power
source must be able to provide for converter sufficient
starting current Ip (Figure 2).
General: Ip ≤1.4*Iin-max
(Side View)
Note:
Unit:mm(inch)
Pin diameter:0.50mm(0.020inch)
Pin diameter tolerances:±0.05mm(±0.002inch)
General tolerances:±0.25mm(±0.010inch)
FOOTPRINT DETAILS
Pin
Function
2, 3
9
10,15
11
14
16
22,23
GND
0V2
NC
+Vo2
+Vo1
0V1
Vin
NC:No Connection
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.
Ip
Input Voltage
Range
Input Voltage (V)
No parallel connection or plug and play.
MORNSUN reserves the copyright
Specifications subject to change without notice.
W RD_(M)P-3W
A/0-2008
Page 2 of 2