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MORNSUN
MORNSUN


B0512D-1W

FIXED INPUT ISOLATED & UNREGULATED SINGLE OUTPUT MINIATURE SIP/DIP PACKAGE


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B0512D-1W pdf
B_S-1W & B_D-1W Series
1W, FIXED INPUT ISOLATED & UNREGULATED
SINGLE OUTPUT MINIATURE SIP/DIP PACKAGE
multi-country patent protection RoHS
FEATURES
Efficiency up to 80%
Small Footprint
Miniature SIP/DIP Package
1KVDC Isolation
Temperature Range: -40°C ~ +85°C
Internal SMD Construction
Industry Standard Pinout
No Heat sink Required
No External Component Required
PCB Mounting
RoHS Compliance
APPLICATIONS
The B_S-1W & B_D-1W 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) Where the voltage of the input power supply is
fixed (voltage variation ≤ ±10%);
2) Where isolation is necessary between input and
output (isolation voltage 1000VDC);
3) 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.
MODEL SELECTION
B0505S-1W
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
PRODUCT PROGRAM
Part
Num ber
Input
Voltage (VDC)
Nominal Range
Voltage
(VDC)
Output
Current (mA)
Max.
Min.
B0303S/D-1W
B0305S/D-1W
3.3
3.3 2.97-3.63
5
303
200
30
20
B0503S/D-1W
3.3 303
30
B0505S/D-1W
5 200
20
B0509S/D-1W
5 4.5-5.5 9 111 12
B0512S/D-1W
12 83
9
B0515S/D-1W
15 67
7
B1203S/D-1W
3.3 303
30
B1205S/D-1W
5 200
20
B1209S/D-1W
12 10.8-13.2 9
111
12
B1212S/D-1W
12 83
9
B1215S/D-1W
15 67
7
B2405S/D-1W
5 200
20
B2409S/D-1W
B2412S/D-1W
9
24 21.6-26.4
12
111
83
12
9
B2415S/D-1W
15 67
7
Note: The B_S-W2 & B_D-W2 series also are available in our company.
Efficiency
(%, Typ.)
UL CE
72
74
72
70 UL CE
78 UL CE
79 UL CE
80 UL CE
72
71 UL CE
76 UL CE
78 UL CE
80 UL CE
73 UL CE
78 UL CE
79 UL CE
80 UL CE
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 °C
15 25
Lead temperature
1.5mm from case for 10 seconds
300
Short circuit protection*
1S
Cooling
Free air convection
Case material
Plastic(UL94-V0)
MTBF
3500
K hours
Weight
1.6 g
*Supply voltage must be discontinued at the end of short circuit duration.
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
ISOLATION SPECIFICATIONS
Item
Test Conditions
Min. Typ. Max. Units
Isolation voltage
Tested for 1 minute and 1mA max 1000
VDC
Isolation resistance
Test at 500VDC
1000
MΩ
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
B_S-1W & B_D-1W A/3-2009 Page 1 of 3
http://www.Datasheet4U.com



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B0512D-1W pdf
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min. Typ. Max. Units
Output power
0.1 1 W
Line regulation
For Vin change of 1%(3.3V output)
For Vin change of 1%(others )
1.5
1.2
10% to 100% load (3.3V output)
15 20
10% to 100% load (5V output)
12.8 15 %
Load regulation
10% to 100% load (9V output)
8.3 10
10% to 100% load (12V output)
6.8 10
10% to 100% load (15V output)
6.3 10
Output voltage accuracy
Temperature drift
100% full load
See tolerance envelope graph
0.03 %/°C
Ripple & Noise*
20MHz Bandwidth
75 100 mVp-p
Switching frequency
Full load, nominal input
100 KHz
*Test ripple and noise by parallel cablemethod. See detailed operation instructions at Testing of Power
Converter section, application notes.
APPLICATION NOTE
TYPICAL CHARACTERISTICS
Operating Temp.(oC)
RECOMMENDED CIRCUIT
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, or use our
companys products with a lower rated output power (B_S-W2 & B_D-W2 Series).
Vin
C
GND
L
DC DC
L
C
(Figure 1)
+Vo
0V
Recommended circuit
If you want to further decrease the input/output ripple, an LCfiltering network may be
connected to the input and output ends of the DC/DC converter, see (Figure 1).
It should also be noted that the inductance and the frequency of the LCfiltering 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. For every channel of output, provided the safe and reliable operation is
ensured, the greatest capacitance of its filter capacitor sees (Table 1).
Vin
GND
Vin
GND
REG
DC DC
DC DC
REG
(Figure 2)
+Vo
0V
+Vo
0V
Output Voltage Regulation and Over-voltage Protection Circuit
The simplest device for output voltage regulation, over-voltage and over-current
protection is a linear voltage regulator with overheat protection that is connected to the input
or output end in series (Figure 2).
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.
No parallel connection or plug and play
EXTERNAL CAPACITOR TABLE (TABLE 1)
Vin
Cin
Vout
Cout
(VDC) (uF) (VDC) (uF)
3.3/5 4.7 3.3/5 10
12 2.2 9 4.7
24 1 12 2.2
- - 15 1
Its not recommended to connect any external
capacitor in the application field with less than 0.5
watt output.
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
B_S-1W & B_D-1W A/3-2009 Page 2 of 3
http://www.Datasheet4U.com



Part Number B0512D-1W
Description FIXED INPUT ISOLATED & UNREGULATED SINGLE OUTPUT MINIATURE SIP/DIP PACKAGE
Maker MORNSUN - MORNSUN
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