B_YS-W2 Series
FIXED INPUT ISOLATED & UNREGULATED
0.25W SINGLE OUTPUT
MINIATURE SIP PACKAGE
FEATURES
●
Small Footprint
●
Miniature SIP Package
●
1KVDC Isolation
●
Temperature Range: -40°C to +85°C
●
Internal SMD Construction
●
Industry Standard Pinout
●
No Heat sink Required
●
No External Component Required
●
PCB Mounting
●
RoHS Compliance
multi-country patent protection
RoHS
Input
Output
Voltage
(VDC)
3.3
5
3.3
5
5
4.5-5.5
9
12
15
3.3
5
12
10.8-13.2
9
12
15
5
24
21.6-26.4
9
12
15
Current (mA)
Max
76
50
76
50
28
21
17
76
50
28
21
17
50
28
21
17
Min
7.6
5
7.6
5
3
2.1
1.7
7.6
5
3
2.1
1.7
5
3
2.1
1.7
62
65
62
64
65
67
65
62
65
66
67
66
63
63
65
65
Efficiency
(%, Typ)
PRODUCT PROGRAM
Part
Number
B0303YS-W2
B0305YS-W2
B0503YS-W2
B0505YS-W2
B0509YS-W2
B0512YS-W2
B0515YS-W2
B1203YS-W2
Voltage (VDC)
Nominal
3.3
Range
2.97-3.63
APPLICATIONS
The
B_YS-W2
Series are specially designed
for applications where a single power supply is
isolated from the input power supply in a
distributed power supply system on a circuit
board.
These products apply to:
1)
2)
3)
Where the voltage of the input power supply
is fixed (voltage variation
≤ ±10%);
Where isolation is necessary between input
and output (isolation voltage≤1000VDC);
Where the regulation of the output voltage
and the output ripple and noise are not
demanding.
Such as: purely digital circuits, ordinary low
frequency analog circuits and IGBT power device
driven circuits, etc.
B1205YS-W2
B1209YS-W2
B1212YS-W2
B1215YS-W2
B2405YS-W2
B2409YS-W2
B2412YS-W2
B2415YS-W2
ISOLATION SPECIFICATIONS
Item
Isolation voltage
Isolation resistance
Test Conditions
Tested for 1 minute and 1mA max
Test at 500VDC
Min
1000
1000
Typ.
Max
Units
VDC
MΩ
OUTPUT SPECIFICATIONS
Item
Test Conditions
For Vin change of 1%(3.3V output)
For Vin change of 1%(others )
10% to 100% load (3.3V output)
15
12.8
8.3
6.8
6.3
Min
Typ.
Max
1.5
1.2
20
15
10
10
10
%
Units
MODEL SELECTION
Line regulation
B0505Y S-W2
Rat e d P o wer
P ack age S ty le
O utp ut Voltag e
I npu t Vo lt age
P rod uct S erie s
Output voltage accuracy
Temperature drift
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou Industrial
District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
10% to 100% load (5V output)
Load regulation
10% to 100% load (9V output)
10% to 100% load (12V output)
10% to 100% load (15V output)
See tolerance envelope graph
100% full load
20MHz Bandwidth
Full load, nominal input
50
100
0.03 %/°C
75 mVp-p
KHz
Ripple & Noise*
Switching frequency
*
Test ripple and noise by
“parallel
cable” method. See detailed operation instructions at Testing of Power
Converter section, application notes.
Note:
1.All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless
otherwise specified.
2.See the recommended circuits for more details.
MORNSUN reserves the copyright
Specifications subject to change without notice.
B_YS-W2
A/0-2008
Page 1 of 2
COMMON SPECIFICATION
Item
Storage humidity
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Short circuit protection*
Cooling
Case material
MTBF
Weight
*
Supply voltage must be discontinued at the end of short circuit duration.
3500
1.6
1.5mm from case for 10 seconds
-40
-55
15
Test Conditions
Min
Typ
Max
95
85
125
25
300
1
Free air convection
Plastic(UL94-V0)
K hours
g
S
°C
Units
%
APPLICATION NOTE
Requirement on output load
To ensure this module can operate efficiently
and reliably, During operation, the minimum
output load is
not less than 10%
of the full load,
and that
this product should never be operated
under no load!
If the actual output power is very
small, please connect a resistor with proper
resistance at the output end in parallel to increase
the load.
Recommended circuit
If 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).
L
L
+Vo
TYPICAL CHARACTERISTICS
Vin
C
GND
DC DC
(Figure 1)
C
0V
It should also be noted that the inductance and the
frequency of the
“LC”
filtering network should be
staggered with the DC/DC frequency to avoid
mutual interference. However, the capacitance of
the output filter capacitor must be proper. If the
capacitance is too big, a startup problem might
arise.
It’s
not recommended to connect any
Operating Temp.( C)
o
external capacitor in the application field .
Output Voltage Regulation and Over-voltage
Protection Circuit
The
simplest
device
for
output
voltage
regulation,
over-voltage
and
over-current
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
First Angle Projection
RECOMMENDED FOOTPRINT
Top
view,grid:2.54mm(0.1inch),
diameter:1.00mm
protection is a linear voltage regulator with
overheat protection that is connected to the input
or output end in series (Figure 2).
Vin
GND
REG
+Vout
DC DC
0V
REG
1
2
3
4
Vin
+Vout
DC DC
GND
0V
(Figure 2)
6.00
1
2
3 4
FOOTPRINT DETAILS
Pin
1
Note:
Unit:mm(inch)
Pin section:0.50*0.30mm(0.020*0.012inch)
Pin toler ances: 0.10mm( 0.004inch)
General tolerances: 0.25mm( 0.010inch)
Function
Vin
GN D
3
4
0V
+Vo
No parallel connection or plug and play.
Overload Protection
Under normal operating conditions, the output
circuit of these products has no protection against
overload. The simplest method is to connect a
self-recovery fuse in series at the input end or add
a circuit breaker to the circuit.
MORNSUN reserves the copyright
Specifications subject to change without notice.
B_YS-W2
A/0-2008
Page 2 of 2
