Data Sheet 220VAC Input/−12VDC (250mA) Output Non-Isolated AC/DC Converter BP5053-12 Absolute Maximum Ratings Conditions DC Refer to derating curve Ambient temperature + the module self-heating Tcmax PEAK value of current C mA 10.1MAX. 28.2MAX. Marking Side Marking Side Unit V C C 17.9MAX. Limits 4.0 +1.0 Parameter Symbol Input voltage Vi Operating temperature range Topr Storage temperature range Tstg Allowable maximum Tcmax surface temperature Maximum Output current Io Dimensions (Unit : mm) 3.25MAX. P=5.08+ 0.2 0.25+ 0.05 4.55MAX. 0.5 + 0.1 1.3 + 0.2 5.55MAX. Electrical Characteristics Derating Curve Unless otherwise specified Ta=25°C, Vi=311V, IO=250mA Max. Application Circuit 1 Vi ~ ZNR R1 + C1 4 6 8 10 FUSE D1 C2 + V Output Current Io(mA) Function Input terminal : Vi(-311VDC) Skip Skip COMMON Skip Power inductor terminal Skip Power inductor terminal Skip Output terminal : Vo(-12.7VDC) Vo Be sure to use fuse for safety. Please verify operation and characteristics in the customer's circuit before actual usage. Ensure that the load current does not exceed the maximum rating. External Component Specifications FUSE: fuse 250 200 150 Operation Range 100 50 Conversion Efficiency A L1 C3 Derating Curve 300 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta( C) Pin No. 1 2 3 4 5 6 7 8 9 10 BP5053-12 D2 Conditions Unit V V mA V V Vp-p % Conversion Efficiency (%) Typ. 90 80 70 60 50 40 30 20 10 0 0 50 100 150 Output Current Io(mA) 200 250 300 350 400 Load Regulation (Ta=25 C, Vi=-311V) 14.00 12.00 10.00 8.00 6.00 4.00 2.00 0 0 Use a quick-acting fuse (1.0A) Conversion Efficiency (Ta=25 C, Vi=-311V) Load Regulation Output Voltage -Vo(V) Parameter Symbol Min. Input voltage range Output voltage Output current Line regulation Load regulation Output ripple voltage Power conversion efficiency 50 100 150 200 250 Output Current Io(mA) C1: Input capacitor or greater Surface Temperature Increase C2: Output capacitor or higher. Capacitor impedance C3: Noise removal capacitor film or ceramic capacitor Evaluate under actual operating conditions. L1: Power inductor Inductance : 1.0mH, Rating current:above 0.74A Select components that do not easily get magnetically saturated at high temperature. Recommended part : C13FR (MITSUMI) R1: Noise reduction resistor 40 35 30 25 20 15 10 5 0 0 Surface Temperature Increase (Ta=25 C, Vi=-311V) 50 100 150 200 Output Current Io(mA) 250 Determine the ideal value through actual testing. D1: Flywheel diode Above 600V, current : above 2.0A, Fast recovery diode Please note that both the switching and efficiency characteristics of the module are affected by this diode. Recommended part : CMF01 (Toshiba) D2: Rectifier diode Use a rectifying diode with a peak reverse voltage of 800V or higher, an average rectification current of 1A or large and a peak surge current of 20A or large.When using a large capacitance input capacitor, select a component that is strong against inrush current at power up. Full-wave rectification can be used. ZNR: Varistor A varistor is required to protect against lightning surges and static electricity. www.rohm.com ©2010 ROHM Co., Ltd. All rights reserved. 1/1 2010.01 - 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. 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