BP5048_10

Data Sheet 220VAC Input/12VDC (300mA) Output Non-Isolated AC/DC Converter BP5048 Absolute Maximum Ratings Parameter Input voltage Maximum output current ESD endurance Operating temperature range Storage temperature range Symbol Vi Iomax Vsurge Topr Tstg Limits 358 300 2 −20 to +80 −25 to +105 Unit V mApk kV °C °C 22.0MAX. Dimensions (Unit : mm) 35.0MAX. Mark Side 1 3 5 7 7.62 1 . 3 ±0 . 2 10 12 0 . 2 5 ±0 . 0 5 4.85MAX. 4.35MAX. 5 . 0 8 0 . 5 ±0 . 1 3.6MAX 2.54�11=27.94 9.2MAX. Electrical Characteristics Symbol Min. Parameter Input voltage range 249 Vi Output voltage 11.0 Vo Output current 0 Io Line regulation −0.20 Vr Load regulation −0.20 Vl Output ripple voltage − Vp Power conversion efficiency 65 η Typ. 311 12.0 − 0.05 0.05 0.07 78 Max. 358 13.0 300 0.20 0.20 0.15 − Unit V V mA V V Vp-p % Conditions DC Vi=311V, Io=100mA Vi=311V ∗1 Vi=249 to 358V, Io=100mA Vi=311V, Io=0 to 100mA Vi=311V, Io=100mA ∗2 Vi=311V, Io=300mA Derating Curve Output Current Io (mA) 350 Derating Curve 4±1.0 300 250 200 150 100 50 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta (°C) Operation Range ∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve. ∗2 Spike noise is not included in output ripple voltage. Conversion Efficiency 100 90 80 70 60 50 40 30 20 10 0 Conversion Efficiency (Ta=25°C, Vi=311V) Conversion Efficiency (%) Application Circuit BP5048 Please note that the input side is at Pin 12. Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Function Output terminal Vo(12V) Skip Choke coil connect Skip Choke coil connect Skip COMMON Skip Skip N.C. Skip Input terminal Vi(311VDC) 12 D1 Vi ∼ ZNR + C1 R1 10 7 5 3 1 Io 0 50 FUSE L1 1mH 100 150 200 250 Output Current Io (mA) 300 C3 + − C2 Vo Load Regulation 13.0 12.8 12.6 12.4 12.2 12.0 11.8 11.6 11.4 11.2 0 Load Regulation (Ta=25°C, Vi=311V) Output Voltage Vo (V) − Use a 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 C1: Input capacitor C2: Output capacitor Use a fuse of 1A. Rated voltage 450V or higher 22 to 820µF Permissible ripple current 0.13Arms or higher Rated voltage 25V or higher, 100 to 470µF Low impedance type Impedance is 0.4Ω max at high frequencies. Evaluate under actual operating conditions. 50 100 150 200 250 Output Current Io (mA) 300 Surface Temperature Increase Temperature Rising ∆T (°C) C3: Noise removal capacitor Rated voltage 450V or higher 0.1 to 0.22µF Film or ceramic capacitor Evaluate under actual operating conditions. L1: Power inductor Inductance = 1.0mH Permissible current value 600mA or higher Recommended part : C13-FR-GA (MITSUMI) or TSL3135S-102JR78 (TDK) A reverse surge voltage 600V or higher An average rectifying current of 0.5A The forward surge current should be 20A or higher. 10 to 22Ω 1/4W Determine the ideal value through actual testing. A varistor is required to protect against lightning surges and static electricity. 40 35 30 25 20 15 10 5 0 Surface Temperature Increase (Ta=25°C, Vi=311V) 0 50 100 150 200 250 Output Current Io (mA) 300 D1: Rectifier diode R1: Noise removal resistor ZNR: Varistor www.rohm.com ©2010 ROHM Co., Ltd. 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