COMMON SPECIFICATION
Recommended Circuit
All the PWA_(M)D-3W & PWB_(M)D-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).
Item
Test conditions
Min
Typ
15
Max
95
Units
%
Storage humidity
Operating temperature
Storage Temperature
Temp. rise at full load
Lead Temperature
Isolation resistance
-40
-55
85
125
°C
+Vout
0V
Vin
1.5mm from case for 10 seconds
300
Cin
DC
DC
DC
DC
Tested for 1 minute and 1 mA max 1500
VDC
GND
-Vout
+Vout
0V
Isolation Capacitance Test at 500VDC
Cooling
1000
MΩ
Single Output
Free Air Convection
Vin
Cin
Short circuit protection
Case material
MTBF
D: Plastic (UL94-V0)； MD: Steel, nickel plated
Continuous , Automatic Recovery
GND
1000
15
（Figure 1）
K hours
g
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 (PWA_MD-3W&PWB_MD-3W).
Generally: Cin: 24V&48V 10μF~47μF
Cout: 10μF/100mA
Weight
TYPICAL CHARECTERISTICS
Output External Capacitor Table (Table 1)
Single Vout
(VDC)
Cout
(uF)
2200
1000
470
Daul Vout
(VDC)
Cout
(uF)
680
330
220
100
100
3.3
5
±5
Operating Temp.(
C)
±12
±15
±24
12
15
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
330
First Angle Projection
RECOMMENDED FOOTPRINT
Top view,grid:2.54mm(0.1inch),
diameter:1.00mm(0.039inch)
Input current
While using unstable power source, please
ensure the output voltage and ripple voltage do
not excceed 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
31.80(1.252)
2
3
9 10 11
(Bottom View)
2322 161514
Single/Dual Output
2322
161514
2.54
4.25
(0.167)
(0.100)
Ip
22.86(0.900)
3
9 10
11
2
FOOTPRINT DETAILS
Input Voltage
Range
(Side View)
Single
Dual
Pin
2,3
9
GND
NC
GND
0V
Input Voltage (V)
NC
NC
NC
10,15
11
-Vo
+Vo
0V
Note:
Unit:mm(inch)
Pin diameter:0.50mm(0.020inch)
14
+Vo
0V
No parallel connection or plug and play.
16
22,23
Pin diameter tolerances: 0.05mm( 0.002inch)
Vin
Vin
General tolerances: 0.25mm( 0.010inch)
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.
MORNSUN reserves the copyright
Specifications subject to change without notice.
PWA_(M)D-3W&PWB_(M)D-3W
A/0-2008
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