Data Sheet 12V/250mA Output Isolated DC/DC Converter BP5324A Absolute Maximum Ratings Unit V mA °C °C Vrms 38.5Max. 13.6Max. Mark Side Limits 7 250 −25 to +80 −25 to +85 500 27.0Max. Symbol Vi Iopeak Topr Tstg VISO 4.0±1.0 Parameter Input voltage Maximum output current Operating temperature range Storage temperature range Isolation voltage Dimensions (Unit : mm) 1 2 4 5 3.25Max. P=2.54±0.2 8 10 11 12 0.5±0.1 1.3±0.2 4.55Max. 0.25±0.05 9.05Max. 2.54x11=27.94 Electrical Characteristics (Ta=25°C) Typ. 5.0 12.0 − 0.01 0.23 0.03 74 Max. 5.5 12.6 250 0.05 0.5 0.15 − Unit V V mA V V Vpp % Conditions Derating Curve Vi=5V, Io=250mA ∗1 Vi=5V Vi=4.5 to 5.5V, Io=200mA Vi=5V, Io=0 to 250mA ∗2 Vi=5V, Io=250mA Vi=5V, Io=250mA ∗2 ∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve. ∗2 Please refer to Load regulation, Conversion efficiency. Application Circuit BP5324A F1 VI 1 2 4 5 8 Vo C1 Use a fuse for safety. 10 11 12 C2 C3 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Derating Curve Function Input terminal (5V) Input terminal (5V) Not used Input terminal (0V) Input terminal (0V) Not used Not used Output GND terminal Not used Capacitor connect Output terminal Output terminal Output Current Io(mA) Symbol Min. 4.5 Vi Input voltage range 11.4 Vo Output voltage 0 Io Output current − VL Line regulation − VR Load regulation − Vp Output ripple voltage 65 η Power conversion efficiency 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 Conversion Efficiency η(%) Parameter 90 80 70 60 50 40 30 20 10 0 0 Conversion Efficiency (Ta=25°C, Vi=5V) 0.05 0.1 0.15 0.2 0.25 0.3 0.35 Output Current Io(A) C4 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 Components Settings F1 : Fuse Use a 2.5A fuse C1: Input Capacitor Capacitance : 100 to 220µF Rated voltage : 16V or higher . C2: Output Capacitor Capacitance : 100µF, Rated voltage : 25V or higher. C3: Output Capacitor Capacitance : 100 to 470µ, Rated Voltage : 25V or higher. C4: Noise Reduction Capacitor Capacitance : 4700 to 0.1µF, Rated Voltage : AC500V or higher. 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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