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| - 1 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v the ip1117 is a series of low dropout voltage regula- tors which can provide up to 1.0a of output current. the ip1117 is available in four fixed voltages, 1.8v,2.5v,3.3v and 5.0v. in addition, it is also avail- able in adjustable version. on chip precision trimming adjusts the reference/output voltage to within 2%. current limit is also trimmed to ensure specified out- put current and controlled short - circuit current the ip1117 series is available in sot - 223 power packages. - adjustable and fixed of 1.8v, 2.5v, 3.3v,5.0v - space saving smd types of sot - 223 - 1.0a output current capability - 1.1v drop - out voltage - foldback current limiting - thermal protection - over current protection d escription f eatures device package operating temp ip1117/ ip1117l sot - 223 ip1117 - 18/ ip1117l - 18 sot - 223 ip1117 - 25/ ip1117l - 25 sot - 223 ip1117 - 33/ ip1117l - 33 sot - 223 ip1117 - 50/ ip1117l - 50 sot - 223 - 35 o c ~ +125 o c ordering information sot - 223 - post regulator for switching dc/dc converter - cd media - battery charger - battery powered equipments application s typical application circuits l means lead - free
- 2 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v pin descriptions no symbol i/o description 1 adj/gnd - adjustable or power ground 2 out o output 3 in i input pin connections absolute maximum ratings parameter symbol value units input voltage vinmax 18 v junction temperature tj - 35 ~ +125 o c storage temperature tstg - 55 ~ +150 o c absolute maximum safe operating area output current(a) vin - vout (v) 2 4 6 8 10 12 14 16 18 20 0 soa 0.2 0.4 0.6 0.8 1.0 1.2 - 3 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical characteristics parameter symbol test conditions min. typ. max. units reference voltage vref ip1117 only 1.5v < (vin - vout) < 7v, io=10ma 1.225 1.250 1.275 v output voltage ip1117 - 18 10ma < iout < 1a, 3.3v < vin < 10v 1.764 1.800 1.836 v ip1117 - 25 10ma < iout < 1a, 4.0v < vin < 10v 2.45 2.50 2.55 v ip1117 - 33 10ma < iout < 1a, 4.75v < vin < 10v 3.234 3.300 3.366 v ip1117 - 50 10ma < iout < 1a, 6.5v < vin < 12v 4.9 5.0 5.1 v line regulation dvout1 ip1117 iout = 10ma, 1.5v < vin - vout < 12v - 0.035 0.2 % ip1117 - 18 iout = 10ma, 3.3v < vin < 15v - 1 4 mv ip1117 - 25 iout = 10ma, 4.0v < vin < 15v - 1 5 mv ip1117 - 33 iout = 10ma, 4.75v < vin < 15v - 1 7 mv ip1117 - 50 iout = 10ma, 6.5v < vin < 15v - 1 10 mv vout ( vin= 5v, co=10uf, ta = 25 o c, unless otherwise specified.) - 4 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical character istics parameter symbol test conditions min. typ. max. units load regulation ip1117 vin - vout = 2.0v, 10ma < iout < 1a - 0.05 0.5 % ip1117 - 18 vin = 3.8v, 10ma < iout < 1a - 1 9 mv ip1117 - 25 vin = 4.5v, 10ma < iout < 1a - 1 12 mv ip1117 - 33 vin = 5.3v, 10ma < iout < 1a - 1 16 mv ip1117 - 50 vin = 7.0v, 10ma < iout < 1a - 1 25 mv dropout voltage vdrop iout = 100ma - 1.0 1.15 v iout = 1a - 1.1 1.25 v quiescent current iq vin < 12v - 5 10 ma ripple rejection rr f = 120hz, cout = 22uf tantalum, (vin - vout) = 3v, vripple=1.0vpp 60 72 - db current limit ilimit vin - vout = 2v 1 1.5 - a adjust pin current iadj - 35 - 100 ua adjust pin current change ichg 10ma < iout < 1a 1.5v < vin - vout < 12v 0.2 5 ua minimum load cur- rent imin only ip1117 10 - - ma long term stability stable ta=125 o c, 1000hrs 0.03 1.0 % dvout2 ( vin= 5v, co=10uf, ta = 25 o c, unless otherwise specified.) - 5 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical character istics parameter symbol test conditions min. typ. max. units rms output noise vn 10hz < f < 10khz - 0.003 - % thermal shutdown tsd junction temperature - 150 - o c thermal shutdown hysteresis thys - 10 - o c ( vin= 5v, co=10uf, ta = 25 o c, unless otherwise specified.) - 6 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v application summary - calculation of adjustable output voltage va example ) r1=125 ohm, r2=25 ohm (vref = 1.25v) 2 (1) 1 r voutvref r =+ 25 (1)1.251.5 125 vout =+= - 7 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical characteristics curves 0 5 10 15 20 0 1 2 3 4 5 6 icc (ma) vcc (v) icc vs vcc vcc=variable vout=3.3v io=0 ma 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 io=variable ta=25 vdrop (v) io (a) vdrop vs io quiescent current vs vcc drop out voltage vs io - 8 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical characteristics curves (continued) 0.0 0.2 0.4 0.6 0.8 1.0 0 2 4 6 8 10 12 14 16 io (a) vload (mv) vload vs io vin=5.3v io=variable ta=25 load regulation vs io - 9 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical characteristics curves (continued) -20 0 20 40 60 80 100 0 1 2 3 4 5 6 icc (ma) temperature vcc=5.3v vout=3.3v temp=variable io=0 ma icc vs temp quiescent current vs temperature output voltage vs temperature -20 0 20 40 60 80 100 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 temperature vcc=5.3v vout=3.3v temp=variable io=10 ma vout (v) vout vs temp - 10 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v electrical characteristics curves (continued) load regulation vs temperature drop out voltage vs temperature -20 0 20 40 60 80 100 0 20 40 60 80 100 temperature vcc=5.3v vout=3.3v temp=variable io=10 ma vload (mv) vload vs temp -20 0 20 40 60 80 100 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vout=3.3v temp=variable io=1.0 a temperature vdrop (v) vdrop vs temp - 11 - jan. 2005 (rev.5) www.interpionsemi.com ip1117/ip1117 - 18/ip1117 - 25/ip1117 - 33/ip1117 - 50 ldo regulator with adjustable and fixed 1.8v, 2.5v,3.3v,5.0v package dimension sot - 223 |
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