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DC / DC converter
BP5027A
The BP5027A is a DC / DC converter that contains control circuits, switching devices, rectifiers and coils, and operates by only connecting an I / O smoothing capacitor. With no heat sink required, the module is available in stand-alone 6pin SIP packages.
Applications Household appliances such as TVs, VCRs, audio equipment, refrigerators and facsimiles
Features 1) Small number of external components required. (2 capacitors) 2) Built-in protection circuit for short-circuit. 3) Small and light SIP 6pin package.
Absolute maximum ratings (Ta=25C)
Parameter Input voltage Operating temperature range Storage temperature range Symbol VIN Topr Tstg Limits 24 -25 +80 -25 +85 Unit V
C C
Recommended operating conditions (Ta=25C)
Parameter
Input voltage
Symbol VIN
Min. 8
Typ. 12
Max. 20
Unit V
Electrical characteristics (Unless otherwise noted, VIN=12V, IO=50mA, Ta=25C)
Parameter Input voltage range Output voltage Output current Line regulation Load regularion Output ripple voltage Power conversion efficiency Symbol VIN VO IO VL VR Vp Min. 8 4.7 0 - - - 65 Typ. - 5.0 - 0.06 0.04 0.07 74 Max. 20 5.3 150 0.15 0.15 0.15 - Unit V V mA V V VPP % VIN=820V IO=0100mA IO=100mA IO=150mA Conditions
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BP5027A
Pin descriptions
Pin No. 1 2 4 5 6 Pin name VIN1 VIN2 GND GND VOUT
Pin 3 is removed.
Measurement circuit
BP5027A
1
Be sure to use fuse for safety
2
4
5
6
A V
VIN
C1 100F
100F
Use a low-impedance product for switching power supplies.
Fig.1
Electrical characteristic curves
0.16 0.14 OUTPUT VOLTAGE : VO (V) OUTPUT CURRENT : IO (A) 5.10 5.05 0.12 0.1 0.08 0.06 0.04 0.02 0 -20 0 20 40 60 80 100 5.15
VIN=8V VIN=12V VIN=20V
5.15 5.10 5.05
5.00 4.95 4.90 4.85 0 0.05 0.1 0.15
OUTPUT VOLTAGE : VO (V)
IO=0A IO=0.1A IO=0.15A
5.00 4.95 4.90 4.85 8 10 12 14 16 18 20
AMBIENT TEMPERATURE : Ta (C)
OUTPUT CURRENT : IO (A)
INPUT VOLTAGE : VIN (V)
Fig.2 Derating curve
Fig.3 Output characteristic
Fig.4 Line regulation
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BP5027A
90 CONVERSION EFFICIENCY : (%) 80 70 60 50 40 30 20 10 0 -0.01 0.01 0.03 0.05 0.07 0.09 0.11 0.13 0.15 OUTPUT CURRENT : IO (A)
8V 12V 20V
Fig.5 Conversion efficiency
External dimensions (Units : mm)
18.3Max.
9.0Max.
4.01.0
16.8Max.
1
2 5.08
4
5
6 0.50.5 1.30.2 5.95Max. 0.250.05 3.05Max.
3.25Max. 2.540.2 2.54x5=12.7
SIP6
Marked side
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Precautions on Use of ROHM Power Module
Safety Precautions
1) The products are designed and produced for application in ordinary electronic equipment (AV equipment, OA equipment, telecommunication equipment, home appliances, amusement equipment etc.). If the products are to be used in devices requiring extremely high reliability (medical equipment, transport equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car accessories, safety devices, etc.) and whose malfunction or operational error may endanger human life and sufficient fail-safe measures, please consult with the Company's sales staff in advance. If product malfunctions may result in serious damage, including that to human life, sufficient fail-safe measures must be taken, including the following: [a] Installation of protection circuits or other protective devices to improve system safety [b] Installation of redundant circuits in the case of single-circuit failure 2) The products are designed for use in a standard environment and not in any special environments. Application of the products in a special environment can deteriorate product performance. Accordingly, verification and confirmation of product performance, prior to use, is recommended if used under the following conditions: [a] Use in various types of liquid, including water, oils, chemicals, and organic solvents [b] Use outdoors where the products are exposed to direct sunlight, or in dusty places [c] Use in places where the products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2 [d] Use in places where the products are exposed to static electricity or electromagnetic waves [e] Use in proximity to heat-producing components, plastic cords, or othe flammable items [f] Use involving sealing or coating the products with resin or other coating materials [g] Use involving unclean solder or use of water or water-soluble cleaning agents for cleaning after soldering [h] Use of the products in places subject to dew condensation 3) The products are not radiation resistant. 4) The Company is not responsible for any problems resulting from use of the products under conditions not recommended herein. 5) The Company should be notified of any product safety issues. Moreover, product safety issues should be periodically monitored by the customer.
Precautions Regarding Application Example and External Circuits
1) If change is made to the constant of an external circuit, allow a sufficient margin due to variations of the characteristics of the products and external components, including transient characteristics, as well as static characteristics. Please be informed that the Company has not conducted investigations on whether or not particular changes in the application examples or external circuits would result in the infringement of patent rights of a third party. 2) The application examples, their constants, and other types of information contained herein are applicable only when the products are used in accordance with standard methods. Therefore, if mass production is intended, sufficient consideration to external conditions must be made.
Prohibitions Regarding Industrial Property
1) These Specifications contain information related to the Company's industrial property. Any use of them other than pertaining to the usage of appropriate products is not permitted. Duplication of these Specifications and its disclosure to a third party without the Company's permission is prohibited. 2) Information and data on products, including application examples, contained in these specifications are simply for reference; the Company does not guarantee any industrial property rights, intellectual property rights, or any other rights of a third party regarding this information or data. Accordingly, the Company does not bear any responsibility for: [a] infringement of the intellectual property rights of a third party [b] any problems incurred by the use of the products listed herein. 3) The Company prohibits the purchaser of its products to exercise or use the intellectual property rights, industrial property rights, or any other rights that either belong to or are controlled by the Company, other than the right to use, sell, or dispose of the products.
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