3.3v/ 300ma output step-down dc/dc converter(non-isolated) BP5224-33 absolute maximum ratings input voltage operating temperature storage temperature maximum surface temperature maximum output current parameter symbol limits unit vi topr tstg tcmax iopeak v c c c ma unit conditions v v ma v v vp-p % dc vi=7 to 18v io=0 to 300ma electrical characteristics input voltage output voltage output current line regulation load regulation output ripple voltage power conversion efficiency parameter symbol typ. max. min. load regulation conversion efficiency dimensions (unit : mm ) application circuit external component specifications f1: fuse be sure to use a fuse for safety. c1: input capacitor c2: output capacitor pin no. 1 2 3 4 5 6 function input terminal vi input terminal vi skip gnd gnd output terminal vo BP5224-33 please verify operation and characteristics in the customer's circuit before actual usage. ensure that the load current does not exceed the maximum rating. derating curve 17.8max. 9.7max. 3.65max. 6.05max. 18.1max. 4.01.0 2.54x5=12.7(typ.) 1.30.2 0.50.1 p=2.540.2 0.250.05 3.3max. 12 4 56 BP5224-33 marking side load regulation 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 0 50 300 100 150 200 250 (ta=25 c ) output current io(a) output voltage vo(v) conversion efficiency 0 10 20 30 40 50 60 70 80 90 100 50 100 150 300 200 250 (ta=25 c , vi=16v) output current io(a) derating curve 0 0 50 100 150 200 250 300 350 10 -30 -20 -10 20 40 30 80 70 60 50 90 ambient temperature ta( c ) output current io(a) v i =7v v i =16v 12 456 c1 f1 vo c2 v i be sure to use fuse for safety. 1/1 2010.03 - rev. b www.rohm.com ? 2010 rohm co., ltd. all rights reserved. data sheet
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