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AC110V input, -12V / 100mA output
Non-isolated AC / DC Converter
BP5075-12
Absolute Maximum Ratings
Parameter Input voltage Operating temperature range Storage temperature range Case temperature Output current Symbol Vin Topr Tstg Tsmax Iopeak Limits -187 -20 to +80 -25 to +105 105 100 Unit V C C C mApk
19.5MAX.
Dimensions (Unit : mm)
20.5MAX. 10.7MAX.
MARKING SIDE
4.01.0
1
0.50.1
456 7
P=2.540.2 1.30.2 2.54x6=15.24TYP. 0.250.05 6.25MAX.
3.25MAX.
Electrical Characteristics
Symbol Min. Parameter Input voltage -113 Vin Output voltage -11.7 Vo Output current - Io 1 Line regulation - Vr Load regulation - Vl Output ripple voltage - Vp 2 Conversion efficiency 68 Typ. -141 -12.5 - 0.02 0.01 0.04 73 Max. -187 -13.2 100 0.20 0.20 0.20 - Unit V V mA V V Vp-p % Conditions DC Vin=-141V, Io=50mA Vin=-113 to -187V Vin=-141V, Io=0 to 50mA Vin=-141V, Io=50mA Vin=-141V, Io=100mA
4.45MAX.
Derating Curve
120
Output Current Io(mA)
100 80 60 Operation Range 40 20 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 Ambient Temperature Ta(C)
1Max output current should be reduced according to the surrounding temperature. 2 The output ripple voltage may vary depending on the capacitance, environment, and location of peripheral components. Especially right attention has to be paid to aluminum electrolytic capacitor, because ESR changes greatly at the time of the low temperature and output ripple voltages increase.
Application circuit
Pin No. 1 2 3 4 5 6 7 Functions Input terminal Skip Skip COMMON COMMON NC Output terminal
Conversion Efficiency
Conversion Efficiency
Be sure to use fuse for safety.
1 4 5 6 7
Conversion Efficiency (%)
BP5075-12
100 80 60 40 20 0 0
(Vi= -141V,Ta=25C )
D1
R1
FUSE A
-
Vin ZNR
-
C1 C3 C2
-
V
+
+
-
Vo
20 40 60 80 100 Output Current Io(mA)
MARKING SIDE
120
For actual usage, Please kindly evaluate and confirm our part mounted in your product. Especially, Please make sure to confirm whether the load current exceed absolute maximum rating by using current probe. External components setting FUSE: Fuse C1: Input capacitor C2: Output capacitor Please make sure to use quick acting fuse (1.0A) above 250V, 10 to 47F above 25V, 47 to 470F, Low impedance ESR:0.42 Max. Ripple current 0.2Arms above Impedance of capacitor effects the output ripple voltage.
Load Regulation
-14.0
Load Regulation ( Vi= -141V,Ta=25C)
Output Voltage Vo(V)
-12.0 -10.0 -8.0 -6.0 -4.0 -2.0 0.0 0 20 40 60 80 100 120 140 Output Current Io(mA) Maximum Io=100mA
Surface Temperature Increase T(C)
C3: For noise terminal Above 250V, 0.1 to 0.22F voltage reduction capacitor Film capacitor or Ceramic capacitor Reduce the noise terminal voltage. The constant value should be evaluated in the product. R1: For noise terminal 10 to 100, 1/4W voltage reduction resistor Reduce the noise terminal voltage. The constant value should be evaluated in the product. D1: Rectifier diode Use a rectifying diode with the peak reverse voltage of 400V or higher, the average rectification current of 1A or larger and the peak surge current of 40A or larger. When using an input capacitor of a large capacity, choose a component that endures the inrush current on power-up. This product is compatible with full-wave rectification.
Temperature Curve
Surface Temperature Increase (Vi= -141V,Ta=25C, )
60 50 40 30 20 10 0
0 20 40 60 80 100 Output Current Io(mA)
ZNR: Varistor
Varistor must be used.It protects this part from lightning surge and static electricity.
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c 2009 ROHM Co., Ltd. All rights reserved.
1/1
2009.08 - Rev.A
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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