LXDC3EP series Micro DC-DC converter 1. Features 2 Low EMI noise and small footprint ((1111mmmm )using inductor-imbedded ferrite substrate High efficiency using syncnchhrrononououss r recectitiffiierer t tecechnhnololooggyy atat 4 4MMHHzz opopereratatiionon.. Power-Save mode / Forced PPWWM M auautotommatatiicc mmodode e sswwiittcchihingng f fununccttiionon 2% DC output voltage accuracy (PPWWM M mmododee). 1A maximum load capability Wide input voltage range : 2.5 - 5.5.5V5V Fixed output voltage : 1.0VV,, 1 1.2.2VV, 1, 1..5V5V,, 1 1..8V8V, , 2.2.55VV, , 3.3.33VV Internal soft start, o, ovverer c cururrrenent pt prrootetecctitionon, thermal shutdown protection 2. Description The LXDC3EP series is a 1A1A ououttpuput t step-down DC-DC converter, which is ssuiuitatablblee for a space-limited or noise-sensitive application. TThehe dedevviicce e utilizes an inductor-embedded ffererrriitete ssububsstrtratate,e, anand d tthehe ssububssttrratate e eleliimmiinanatteses r radadiiatateed d EEMIMI n noioisse e anand d ccoondnducucttiionon noise efficiently. With just this device, it ccanan bebe u usseed d asas a a LDOLDO r repepllacaceemmenentt. Its low noise feature asasssurureses r releliiaablble e ppoowwerer s supupplplyy quality. TTThehehe LXLXLXDC3DC3DC3EEEPPP ssserereriiieseses h h hasasas a a a mmmododode e e pppiiinnn thththaaat at at allllllooowwwsss thththeee uuusssererer tototo ssselelelecececttt FFForororcccededed P P PWWWM M M mmmododode e e ororor PPPooowwwererer-Save mode that changes modes between pulse-sskkiip p opopereratatiioon n anand d PWM operation auautotommatatiiccalalllyy d depepenendidingng o on n ththe e lloaoad.d. In Power-SSSavavave e e mmmododode,e,e, L L LXXXDDDC3EC3EC3EPPP s s serereriiieseses o o offffffererersss s s supupuperereriiiororor e e effffffiiiccciiienenencccyyy ununundddererer l l liiighghghttt l l loooadadad cccononondididitttiiiooonnns, and it extends the babattetterryy l liiffe.e. WWhehen n FFororcceded P PWWMM mmodode e iiss s selelececteted,d, i it t woworrkkss a at t a ffiixxeded ffrreqequeuencncyy ( (44MHMHzz)) within the load range. The adadvvananttagageses o off th thiiss m modode e arare e eaeassyy f fiillteterriingng o off the switching frequency and a bebettteterr l loaoad d trtrananssiienent rt resespoponsnse.e. TTThehehe i i intntntegegegrrratatatededed o o ovvvererer c c curururrrrenenenttt p p prrrotototececectititiononon anananddd th th theee th th thererermmmalalal ssshuhuhutdtdtdooown pwn pwn prrroooteteteccctititiononon f f feaeaeatututurrreseses o o offffffererer reliable power supply operation. 3. Typical Application Circuit 1 Oct 2014 LXDC3EP series Micro DC-DC converter 4. Mechanical details 4-1 Out line TOP VIEW SIDE VIEW BOTTOM VIEW W W L unit (mm) Symbol Dimension Symbol Dimension L 3.5+/- 0.2 a 0.2+/- 0.2 W 3.2+/- 0.2 b 0.8+/- 0.1 T 1.3MAX c 0.4+/- 0.1 d 0.7+/- 0.1 e 0.6+/- 0.1 2 Oct 2014