BP5225_10

Data Sheet 5V/150mA Output Step-down DC/DC Converter (Non-isolated) BP5225 Absolute Maximum Ratings Parameter Input voltage Operating temperature range Storage temperature range Maximum surface temperature Maximum output current Symbol Vi Topr Tstg Tsmax Iopeak Limits Unit V °C °C °C mA Dimensions (Unit : mm) 17.0Max. 9.7Max. Mark Side 4.0±1.0 16.8Max. 1 34 3.25Max. 5 0.5±0.1 1.3±0.2 P=2.54±0.2 0.25±0.05 6.05Max. 3.65Max. 2.54x 4=10.16 Electrical Characteristics Parameter Symbol Min. Input voltage range Output voltage Output current Line regulation Load regulation Output ripple voltage Power conversion efficiency Typ. Max. Unit V V mA V V Vpp % Conditions DC Vi=12V, Io=150mA Vi=12V Vi=10.0 to 26.4V, Io=150mA Vi=12V, Io=0 to 150mA Vi=12V, Io=150mA Vi=12V, Io=150mA 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) Output Current Io(mA) Oscillation Frequency 300 Frequency (kHz) 250 200 150 100 50 0 0 20 40 60 80 100 120 140 160 Output Current (mA) Vi=12V Vi=24V Application Circuit BP5225 Pin No. 1 2 3 4 5 Function Input terminal Vi Not used GND GND Output terminal Vo 1 3 4 5 Conversion Efficiency Io 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 0 Efficiency (%) LIN Vi + C1 C3 C2 Vo Use a fuse for safety Vi=12V Vi=24V Verify proper operation under actual conditions before use. In particular, confirm that the load current does not exceed the maximum rating. External Component Specifications FUSE: FUSE C1: Input Capacitor Use a fast-acting fuse from 0.5 to 1A. Output Voltage (V) 20 40 60 80 100 120 140 160 Output Current (mA) Load Regulation 6 5 4 3 2 1 0 0 Vi=12V Vi=24V C2: Output Capacitor 50 100 150 200 Output Current (mA) 250 Temperature Characteristics C3: Noise Removal Capacitor Output voltage (V) 5.3 5.2 5.1 5 4.9 4.8 4.7 Vi=12V, Io=0mA Vi=12V, Io=150mA Vi=24V, Io=0mA Vi=24V, Io=150mA 0 10 20 30 40 50 60 70 80 Ambient temperature (°C) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/1 2010.03 - Rev. B