Data Sheet 5V/150mA Output Step-down DC/DC Converter(Non-isolated) BP5223 Dimensions (Unit : mm) Absolute Maximum Ratings 17.0Max. Unit V °C °C °C mA 10.4Max. Mark Side Limits 16.8Max. Symbol Vi Topr Tstg Tsmax Iopeak 4.0±1.0 Parameter Input voltage Operating temperature range Storage temperature range Maximum surface temperature Maximum output current 1 3 4 3.25Max. 5 0.25±0.05 0.5±0.1 1.3±0.2 P=2.54±0.2 5.25Max. 5.15Max. 2.54x4=10.16 Typ. Max. Unit V V mA V V Vpp % Conditions DC Vi=14V, Io=100mA Vi=14V Vi=8 to 18V, Io=100mA Vi=14V, Io=0 to 100mA Vi=14V, Io=100mA Vi=14V, Io=150mA Application Circuit Pin No. 1 2 3 4 5 BP5223 1 3 4 5 LIn Vi Function Input terminal Vi Not used GND GND Output terminal Vo Oscillation Frequency 90 80 70 60 50 40 30 20 10 0 0 + C2 Vo C3 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. Conversion Efficiency (Ta=25°C, Vi=12.0V) 30 60 90 120 Output Current Io(mA) 150 Load Regulation External Component Specifications Use a fast-acting fuse of 0.5A Load Regulation (Ta=25°C, Vi=12V) 6 Output Voltage Vo(V) FUSE: fuse Oscillataion Frequency Characteristics 200 180 160 140 120 100 80 60 40 20 0 0 30 60 90 120 150 Output Current Io(mA) Conversion Efficiency Io C1 Derating Curve 160 140 120 100 80 Operation Range 60 40 20 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta(°C) Oscillation Frequency (kHz) Parameter Symbol Min. Input voltage range Output voltage Output current Line regulation Load regulation Output ripple voltage Power conversion efficiency Output Current Io(mA) Derating Curve Electrical Characteristics C1: Input capacitor C2: Output capacitor 5 4 3 2 1 0 0 50 100 150 200 Output Current Io(mA) 250 Surface Temperature Increase C3: Noise removal capacitor www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 20 18 16 14 12 10 8 6 4 2 0 1/1 Surface Temperature Increase (Ta=25°C, Vi=12V) 0 30 60 90 120 Output Current Io(mA) 150 2010.03 - Rev. B