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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: -40C ~ +85C Internal SMD Construction Industry Standard Pinout No Heat sink Required No External Component Required PCB Mounting RoHS Compliance
PRODUCT PROGRAM
Input Part Number B0303S/D-1W B0305S/D-1W B0503S/D-1W B0505S/D-1W B0509S/D-1W B0512S/D-1W B0515S/D-1W B1203S/D-1W B1205S/D-1W 5 4.5-5.5 Voltage (VDC) Nominal 3.3 Range 2.97-3.63 Voltage (VDC) 3.3 5 3.3 5 9 12 15 3.3 5 12 10.8-13.2 9 12 15 5 24 21.6-26.4 9 12 15 Output Current (mA) Max. 303 200 303 200 111 83 67 303 200 111 83 67 200 111 83 67 Min. 30 20 30 20 12 9 7 30 20 12 9 7 20 12 9 7 72 74 72 70 78 79 80 72 71 76 78 80 73 78 79 80 UL CE UL CE UL CE UL CE UL CE UL CE UL CE UL CE UL CE UL CE UL CE UL CE Efficiency (%, Typ.) UL CE
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.
B1209S/D-1W B1212S/D-1W B1215S/D-1W B2405S/D-1W B2409S/D-1W B2412S/D-1W B2415S/D-1W
Note: The B_S-W2 & B_D-W2 series also are available in our company.
COMMON SPECIFICATION
Item Storage humidity Operating temperature Storage temperature Temp. rise at full load -40 -55 15 1.5mm from case for 10 seconds Test Conditions Min. Typ. Max. 95 85 125 25 300 1 Free air convection Plastic(UL94-V0) 3500 1.6 K hours g S C Units %
MODEL SELECTION
B0505S-1W
Rated P ower Package Style Output Voltage Input Voltage Product Series
Lead temperature Short circuit protection* Cooling Case material MTBF Weight
*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 Isolation voltage Isolation resistance Test Conditions Tested for 1 minute and 1mA max Test at 500VDC Min. 1000 1000 Typ. Max. Units VDC M
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
OUTPUT SPECIFICATIONS
Item Output power Line regulation For Vin change of 1%(3.3V output) For Vin change of 1%(others ) 10% to 100% load (3.3V output) 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) Output voltage accuracy Temperature drift Ripple & Noise* Switching frequency 100% full load 20MHz Bandwidth Full load, nominal input 75 100 15 12.8 8.3 6.8 6.3 Test Conditions Min. 0.1 Typ. Max. 1 1.5 1.2 20 15 10 10 10 % Units W
TYPICAL CHARACTERISTICS
See tolerance envelope graph 0.03 %/C
100 mVp-p KHz
*Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power
Converter section, application notes. Operating Temp.(oC)
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, or use our company's products with a lower rated output power (B_S-W2 & B_D-W2 Series).
RECOMMENDED CIRCUIT
L L
Vin
C
+Vo
C
DC DC
(Figure 1)
GND
0V
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). 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. 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
REG
+Vo
DC DC
0V
REG
Vin GND
+Vo
DC DC
0V
(Figure 2) 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).
EXTERNAL CAPACITOR TABLE (TABLE 1)
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.
Vin (VDC) 3.3/5 12 24 -
Cin (uF) 4.7 2.2 1 -
Vout (VDC) 3.3/5 9 12 15
Cout (uF) 10 4.7 2.2 1
It's not recommended to connect any external capacitor in the application field with less than 0.5 watt output.
No parallel connection or plug and play
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
OUTLINE DIMENSIONS & FOOTPRINT DETAILS
MECHANICAL DIMENSIONS
B _ S - 1 W S eries
0.90[0.035] 11.60[0.461] 0.50[0.020] 6.00[0.236]
1 2 3 4
RECOMMENDED FOOTPRINT
B _ S - 1 W S eries
2.54[0.100]
0.30[0.012]
12.70[0.500] 7.62[0.300] 10.00[0.394] 7.62[0.300] 1 0.30[0.012] 4
0.90[0.035]
B _ D - 1 W S eries
7.62[0.300]
1
2
3
4
(Bottom View)
2.54[0.100]
1.00 [0.039]
B _ D - 1 W S eries
7
5
1.00 [0.039]
2.54[0.100]
5.08[0.200] 7.62[0.300] 1.00 [0.039] 0.50[0.020] 10.00[0.394] 7 5
7.70[0.303]
(Side View)
8.20[0.323]
4.10[0.161]
1
4
2.54[0.100]
4.10[0.161] 0.50[0.020] 7.62[0.300] 1.90[0.075]
TUBE DUTLINE DIMENSIONS
B _ S - 1 W S eries
9.40[0.370]
B _ D - 1 W S eries
11.70[0.461]
Pin 1 2 3 4
GND Vin 0V +Vo
1 4 5 7
GND Vin +Vo 0V
16.70[0.657]
B _ S -1 W
Pin
B _ D -1 W
0.60[0.024] 0.60[0.024] 4.70[0.185] 5.30[0.209]
Note: Unit:mm[inch] Pin section tolerances: 0.10mm[ 0.004inch] General tolerances: 0.25mm[ 0.010inch]
Note: Unit :mm[inch] General tolerances: 0.50mm[ 0.020inch] L=530mm[20.866inch] Tube Quantity: 43pcs(B_S-1W) 40pcs(B_D-1W) L=220mm[8.661inch] Tube Quantity: 17pcs(B_S-1W) 16pcs(B_D-1W)
Note: 1. Operation under minimum load will not damage the converter; However, they may not meet all specification listed. 2. All specifications measured at Ta=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 3. In this datasheet, all the test methods of indications are based on corporate standards. 4. Only typical models listed, other models may be different, please contact our technical person for more details.
The copyright and authority for the interpretation of the products are reserved by Mornsun A/3-2009 Page 3 of 3
Specifications subject to change without notice. B_S-1W & B_D-1W
14.70[0.579]
FOOTPRINT DETAILS
12.20[0.480]
FOOTPRINT DETAILS
9.37[0.369]

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