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AC/DC converter
AC100V input, 12V/30mA output
BP5038A
Absolute Maximum Ratings
Parameter Input voltage Output current ESD endurance Operating temperature range Storage temperature range Symbol Vi Io Vsurge Topr Tstg Limits 170 30 2 -20 to +80 -20 to +85 Unit V mApk kV C C
Dimensions (Unit : mm)
18.0MAX. 9.1MAX. Mark Side 1 4 5 6 P = 2 . 5 4 0 . 2 0 . 2 5 0 . 0 5 3.0MAX. 6.1MAX. 1.30.2 3.3MAX 0 . 5 0 . 1 2.54x5=12.7
Electrical Characteristics
Symbol Min. Parameter Input voltage range 113 Vi Output voltage 11.0 Vo Output current 0 Io Line regulation - Vr Load regulation - Vl Output ripple voltage - Vp Power conversion efficiency 40 Typ. 141 12 - 0.17 0.19 0.05 50 Max. 170 13.0 30 0.3 0.3 0.15 - Unit V V mA V V Vp-p % Conditions DC(80 to 120VAC) Vi=141V, Io=30mA Vi=141V Vi=113 to 170V, Io=30mA Vi=141V, Io=0 to 30mA Vi=141V, Io=30mA Vi=141V, Io=30mA
Derating Curve
Derating Curve 40 35 30 25 20 Operation Range 15 10 5 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta(C) Output Current Io(mA)
1 2 2
1 Maximum output current varies depending on ambient temperature ; please refer to derating curve. 2 Please refer to Load regulation, Conversion efficiency.
Switching Frequency
Switching Frequency fsw(kHz) 140 120 100 80 60 40 20 0 0 5 10 15 20 25 Output Current Io(mA) 30 Switching Frequency (Ta=25C, Vi=141V)
Application circuit
BP5038A
Pin No. 1 2 3 4 5 6 Function Input terminal Vi(141VDC) Skip Skip COMMON COMMON Output terminal Vo(12V)
Conversion Efficiency
1
R1 D1 1SR35-400A 101/4W Input AC100V 50Hz/60Hz ZNR 220V
+
456
Output +12V
+ -
41.0
16.8MAX.
Conversion Efficiency (%)
FUSE 0.5A C2 0.1F
60 50 40 30 20 10 0 0
Conversion Efficiency (Ta=25C, Vi=141V)
C1 - 10F/200V
C3 100F/50V
40% Min-Line
Be sure to use fuse for safety.
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 Max. rated current by using the current probe. External components setting C1: Capacitor for input voltage smoothing C2: For noise terminal voltage reduction C3: Capacitor for Output voltage smoothing Capacitance : 3.3F to 22F Rated voltage : 250V or higher Capacitance : 0.1F to 0.22F Rated voltage : 250V or higher Film capacitor or ceramic capacitor. Reduce the noise terminal voltage. The constant value should be evaluated in the set. Capacitance : 100F to 470F Rated voltage : 25V or higher, Low impedance part Impedance is 0.39 max at high frequency range. Ripple current is 0.1Arms above. Impedance of capacitor affects the output ripple voltage. In the absolute maximum ratings, the reverse surge voltage should be 400V or higher, the average rectifying current should be 0.5A or higher, and the forward surge current should be 20A or higher. 10 to 22, 1/4W Reduce the noise terminal voltage. The constant value should be evaluated in set. Varistor must be used. It protects this part from lightning surge and static electricity.
5 10 15 20 25 Output Current Io(mA)
30
Load Regulation
Output Voltage Vo(V)
FUSE: Fuse
Please make sure to use fuse 0.5A
13.0 12.8 12.6 12.4 12.2 12.0 11.8 11.6 11.4 11.2 11.0
Load Regulation (Ta=25C, Vi=141V)
0
5
10 15 20 25 Output Current Io(mA)
30
Surface temperature Rising
Temperature Rising T(C)
D1: Rectifier diode
40 30 20 10 0 0
Surface Temperature Rising (Ta=25C, Vi=141V)
R1: For noise terminal voltage reduction ZNR: Varistor
5
10 15 20 25 Output Current Io(mA)
30
Rev.A
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1

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