Microdc A-XS-W25 0.25w, fixed input, isolated&unregulated dual/single output dc-dc converter Datasheet

A-XS-W25&B-XLS-W25 Series
0.25W, FIXED INPUT, ISOLATED&UNREGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
PRODUCT PROGRAM
Input
Part
Number
Output
Voltage (VDC)
Nominal
Nominal
3.3
3.0-3.6
B0303XLS-W25
Voltage
(VDC)
Current (mA)
Efficiency
(%, Typ)
Max
3.3
75.8
62
FEATURES
B0305XLS-W25
5
50
65
◆Small Footprint
A0505XS- W25
±5
±25
62
◆1KVDC Isolation
A0509XS- W25
±9
±13.8
64
A0512XS- W25
±12
±10.4
66
A0515XS- W25
±15
±8.3
65
◆SIP Package
◆Internal SMD Construction
◆Temperature Range: -40℃to +85℃
◆No Heat sink Required
◆No External Component Required
◆Industry Standard Pinout
MODEL SELECTION
APPLICATIONS
The A-XS-W25&B-XLS-W25 Series are specially
for applications where
a group
power supplies are isolated
from
supply
power
in
a
distributed
the
voltage
of
the
of
the
as:
purely
digital
67
B0515X LS- W25
15
16.7
65
A1205XS- W25
±5
±25
62
A1209XS- W25
±9
±13.8
63
A1212XS- W25
±12
±10.4
64
A1215XS- W25
±15
±8.3
65
3.3
75.8
62
5
50
65
B1209 XLS- W25
9
27.8
66
B1212X LS- W25
12
20.8
67
B1215X LS- W25
15
16.7
66
A2405XS- W25
±5
±25
63
A2409XS- W25
±9
±13.8
64
A2412XS- W25
±12
±10.4
65
±15
±8.3
65
5
50
63
12
10.8-13.2
A2415XS- W25
27.8
63
supply system on
B2412 XLS- W25
12
20.8
65
B2415 XLS- W25
15
16.7
65
B2424XLS- W25
24
10.4
64
input
24
21.6-26.4
power
COMMON SPECIFICATIONS
Item
Test conditions
Min
voltage
circuits,ordinary
low
driving circuits.
Units
95
%
-40
85
Storage Temperature
-55
125
Temp. rise at full load
15
1.5mm from case for 10 seconds
1
Cooling
MTBF
℃
25
300
Short circuit protection*
s
Free air convection
Case material
Plastic (UL94-V0)
3500
Weight
MICRODC reserves the copyright
Max
Operating Temperature
Lead temperature
frequency analog circuits, and IGBT power device
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Typ
Storage humidity
output
and the output ripple noise are not demanding.
Such
20.8
9
output (isolation voltage ±1000VDC);
regulation
12
B2409X LS- W25
2) Where isolation is necessary between input and
the
65
B0512 XLS- W25
power
input
supply is fixed (voltage variation ±10%);
3) Where
64
27.8
B2405 XLS- W25
These products apply to:
Where
50
9
polar
the
of
a circuit board.
1)
5
B0509XLS- W25
B1205 XLS- W25
①Product Series
②Input Voltage
③Output Voltage
④Fixed Input
⑤Lenthened SIP Pacage Style ⑥Rated Power
designed
4.5-5.5
B0505XLS- W25
B1203X LS- W25
B①05②05③X④ LS⑤-W25⑥
5
K hours
2.1
g
*Supply voltage must be discontinued at the end of short circuit duration.
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 1 of 2
A-XS-W25&B-XLS-W25 Series
ISOLATION SPECIFICATIONS
Item
APPLICATION NOTE
Test conditions
Min
Isolation voltage
Tested for 1 minute and 1 mA max
1000
Typ
Max
Units
VDC
Isolation resistance
Test at 500VDC
1000
M
Test conditions
Min
Typ
Max
0.25
For Vin change
(3.3V input)
of ±1%
(Others input)
10% to 100%
Units
W
±1.2
12
20MHz Bandwidth
Switching frequency
power
under
is
less than 10% of
that this product
no load!
the
should
If the
actual
very small, please connect a resistor
Under
%
normal
output circuit of
operating
conditions,
15
8.3
15
connect
(12V output)
6.8
15
end or add a circuit breaker to the circuit.
(15V output)
6.3
15
100
the
these products has no protection
10.5
Full load, nominal input
be
output
with proper resistance at the output end in parallel to
(9V output)
50
full
never
Overload Protection
against overload.
The
simplest
a self-recovery fuse
method
is
to
in series at the input
Recommended circuit
See tolerance envelope graph
Ripple & Noise*
operate
(5V output)
Output voltage accuracy
100% full load
output load is not
20
load
Temperature drift
this module can
increase the load.
±1.5
(3.3V output)
Load regulation
ensure
operated
Output power
Line regulation
To
efficiently and reliably, During operation, the minimum
load, and
OUTPUT SPECIFICATIONS
Item
Requirement on output load
If
0.03
%/℃
75
mVp-p
KHz
you want
to
further
decrease
the
input/output ripple, an "LC" filtering network may be
connected to
the
input
and
output
ends
of
the DC/DC converter, see (Figure 1).
*Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing .
Note:
1. All specifications measured at T A =25℃, humidity<75%, nominal input voltage and rated output load unless otherwise
specified.
2. See below recommended circuits for more details.
3. Dual output models unbalanced load: ±5%.
TYPICAL CHARACTERISTICS
It should
inductance
also
filtering
network
DC/DC
frequency
However,
the
capacitor
must
is
too
It's not
be noted
and the
big,
should be
to
be
of
of the
proper.
startup
recommended
to
If
the
the "LC"
staggered
avoid mutual
capacitance
a
that
frequency
with
the
interference.
output
filter
the capacitance
problem
might arise.
connect
any external
capacitor in the application field.
OUTLINE DIMENSIONS & PIN CONNECTIONS
Output Voltage Regulation and
Over-voltage
Protection Circuit
The
simplest
regulation,
protection
overheat
device
for
over-voltage
is
a
linear
protection
that
output
and
voltage
is
voltage
over-current
regulator
connected
to
input or output end in series (Figure 2).
No parallel connection or plug and play.
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Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 2 of 2
with
the
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