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WRA4812YDV-3W Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd

Part # WRA4812YDV-3W
Description  3W,WIDE INPUT, ISOLATED & REGULATED DUAL/SINGLE OUTPUT DIP DC-DC CONVERTER
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Manufacturer  MICRODC [Microdc power Technology Co., Ltd]
Direct Link  http://www.microdc.cn/
Logo MICRODC - Microdc power Technology Co., Ltd

WRA4812YDV-3W Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd

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WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W
WRA-YDV-3W&WRB-YDV-3W Series
Series
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 2 of 3
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
Item
Item
Item
Item
Test
Test
Test
Test conditions
conditions
conditions
conditions
M
M
M
Min.
in.
in.
in.
Typ.
Typ.
Typ.
Typ.
Max.
Max.
Max.
Max.
Units
Units
Units
Units
Output power
See below products program
0.3
O3
W
Positive voltage accuracy
Refer to recommended circuit
±1
±3
%
Negative voltage accuracy
Refer to recommended circuit
±3
±5
%
Load regulation
From 10% to 100% load
±0.45
±1*
%
Line regulation
Input voltage from low to high
±0.2
±0.5
%
Temperature drift(Vout)
Refer to recommended circuit
±0.03
%/℃
Ripple & Noise**
20MHz Bandwidth
50
100
mVp-p
Switching frequency
100% load, nominal input voltage
300
KHz
*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.
COMMON
COMMON
COMMON
COMMON
COMMON
COMMON
COMMON
COMMON SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
Item
Item
Item
Item
Test
Test
Test
Test conditions
conditions
conditions
conditions
M
M
M
Min.
in.
in.
in.
Typ.
Typ.
Typ.
Typ.
Max.
Max.
Max.
Max.
Units
Units
Units
Units
Storage humidity
95
%
Operating temperature
-40
85
Storage temperature
-55
125
Temp. rise at full load
15
Lead temperature
1.5mm from case for 10 seconds
300
No-load Power consumption
0.2
W
Cooling
Free air convection
Short circuit protection
Continuous, Automatic Recovery
Case material
D: Plastic (UL94-V0);
MD: Steel, Nickel Coated
MTBF
1000
K hours
Weight
15
g
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION NOTE
NOTE
NOTE
NOTE
NOTE
NOTE
NOTE
NOTE
Requirement
Requirement
Requirement
Requirement On
On
On
On Output
Output
Output
Output Load
Load
Load
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
Recommended
Recommended
Recommended Circuit
Circuit
Circuit
Circuit
All the WRA_YDV-3W & WRB_YDV-3W Series have been tested according to the following recommended testing circuit
before leaving factory. This
series
should
be
tested
under
load. Never be tested under no 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 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). Generally: If you want to use the products in high EMI, please choose
our metal packaged products (WRA_YDV-3W & WRB_YDV-3W). General:
Cin:
5V&12V
100µF
24V&48V
10µF-47µF
Cout: 10µF/100mA
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 startup current of
this kind of DC/DC module (See figure 2), General:
Ip ≤ 1.4*Iin-max
No
No
No
No parallel
parallel
parallel
parallel connection
connection
connection
connection or
or
or
or plug
plug
plug
plug and
and
and
and play
play
play
play
TYPICAL
TYPICAL
TYPICAL
TYPICAL
TYPICAL
TYPICAL
TYPICAL
TYPICAL CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
CHARACTERISTICS
RECOMMENDED
RECOMMENDED
RECOMMENDED
RECOMMENDED
RECOMMENDED
RECOMMENDED
RECOMMENDED
RECOMMENDED CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
Output
Output
Output
Output External
External
External
External Capacitor
Capacitor
Capacitor
Capacitor Table(Table
Table(Table
Table(Table
Table(Table 1)
1)
1)
1)
Single Vout
(VDC)
Cout
(uF)
Dual Vout
(VDC)
Cout
(uF)
5
1000
±5
680
9
680
±9
470
12
470
±12
330
15
330
±15
220
24
220
±24
100


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