Data Sheet 220VAC Input/−12VDC (200mA) Output Non-Isolated AC/DC Converter BP5045A Absolute Maximum Ratings Unit V mApk kV C C 28.2MAX. 10.1MAX. Mark Side Limits −390 200 2 −20 to +80 −25 to +105 17.9MAX. Symbol Vi Io Vsurge Topr Tstg 4.0 +− 1.0 Parameter Input voltage Output current ESD endurance Operating temperature range Storage temperature range Dimensions (Unit : mm) 0 . 2 5 +− 0 . 0 5 1 3.25MAX 4 6 0 . 5 +− 0 . 1 1 . 3 −+ 0 . 2 8 10 (4.55) P = 5 . 0 8 +− 0 . 2 (5.55) + 2.54 9=22.86(Typ.) Electrical Characteristics Max. −390 −12.9 200 0.15 0.15 0.20 − Conditions Unit V V mApk V V Vp-p % DC Vi= −311V, Io=200mA ∗1 Vi= −311V Vi= −113 to −390V, Io=200mA Vi= −311V, Io=0 to 200mA Vi= −311V, Io=200mA ∗2 Vi= −311V, Io=200mA Pin No. 1 2 3 4 5 6 7 8 9 10 BP5045A 1 D1 Vi ~ ZNR R1 − C1 + FUSE 4 6 8 10 L1 − + C3 Derating Curve 300 250 200 150 Operation Range 100 50 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta( C) Conversion Efficiency ∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve. ∗2 Spike noise is not included in output ripple voltage. Application Circuit Derating Curve Output Current Io(mA) Typ. −311 −12.2 − 0.07 0.10 0.15 75 Function Input Skip Skip Common Skip Power inductor Skip Power inductor Skip Output Conversion Efficiency (%) Parameter Symbol Min. Input voltage range Vi −113 Output voltage Vo −11.5 Output current Io − Line regulation Vr − Load regulation Vl − Output ripple voltage Vp − Power conversion efficiency η 72 90 80 70 60 50 40 30 20 10 0 0 Vo Please verify operation and characteristics in the customer's circuit before actual usage. Ensure that the load current does not exceed the maximum rating. Output Voltage -Vo(V) Be sure to use fuse for safety. 12 10 8 6 4 2 Use a fast-acting fuse of 1.0A. R1: Noise removal resistor Resistance : 10 to 22Ω Power : More than 1/4W D1: Rectifier diode Peak reverse voltage : More than 800V Mean rectifying current : More than 1.0A Peak forward surge current : More than 20A Full-wave rectification can be used. A varistor is required to protect against lightning surges and static electricity. 1/1 50 100 150 200 250 300 350 Output Current Io(mA) Temperature Rising ∆T( C) Surface Temperature Increase 40 35 30 25 20 15 10 5 0 0 Surface Temperature Increase (Ta=25 C, Vi=-311V) 50 100 150 Output Current Io(mA) 200 Switching Frequency Switching Frequency fSW(kHz) Rated voltage : More than 450V Capacitance : 22 to 100µF Rated voltage : More than 35V C2: Output capacitor Capacitance : 220 to 470µF, low impedance type ESR : Less than 0.16Ω Rated ripple current : More than 0.58Arms Evaluate under actual operating conditions since output ripple voltage is affected. C3: Noise removal capacitor Rated voltage : More than 450V Film or ceramic capacitor Capacitance : 0.1 to 0.22µF Inductance : 820µH L1: Choke coil Rated current : More than 0.42A C1: Input capacitor www.rohm.com ©2010 ROHM Co., Ltd. All rights reserved. 200 Load Regulation (Ta=25 C, Vi=-311V) 0 0 External Component Specifications ZNR: Varistor 50 100 150 Output Current Io(mA) Load Regulation C2 14 FUSE: FUSE Conversion Efficiency (Ta=25 C, Vi=-311V) Switching Frequency (Ta=25 C, Vi=-311V) 25 20 15 10 5 0 0 50 100 150 Output Current Io(mA) 200 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. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. 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