samwha electronics co., ltd v applications v features v dimensions & land pattern cpi3225nhl series v characteristics http://www.samwha.com/chip this description in the this catalogue is subject to change without notice ? dc-dc converter circuits for mobile equipment inductance vs. dc current inductance vs. frequency 3.2 0.2 2.5 0.2 1.0 max. 0.5 0.3 recommend land pattern 4.1 0.2 1.7 0.2 3.0 0.2 (unit : mm) ? small size (3.2mm x 2.5 mm, 1.0 mm height) ? large rated current (1.3a @ 1.0uh) ? magnetically shielded ? high efficiency (inductive energy) ? fast mounting speed ? rohs compliant 0.8 0.35 10 CPI3225NHL100ME 1.3 0.12 1.5 cpi3225nhl1r5me 1.0 0.20 4.7 cpi3225nhl4r7me 1.1 0.17 3.3 cpi3225nhl3r3me 1.2 30% 0.15 2.2 cpi3225nhl2r2me 1.3 0.10 20% 1.0 cpi3225nhl1r0me t=40deg.c tolerance ( ? ) tolerance ( h) rated current (a) dc resistance inductance at 1 mhz part number dps-081104 chip power inductors 1 10 100 1000 0.1 1 10 20 1 10 100 0.1 1 10 20 4r7 100 1r0 1r5 2r2 3r3 i n d u c t a n c e ( u h ) dc current (ma) 4r7 100 1r0 1r5 2r2 3r3 4r7 100 1r0 1r5 2r2 3r3 i n d u c t a n c e ( u h ) frequency (mhz)
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