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data sheet 1a low dropout linear regulator EC48117 general description features applications c c to 125 sot - 223 to-252 dec. 2003 rev. 1. 2 pc motherboard lcd monitor graphic card dvd-video player nic/switch telecom equipment adsl modem printer and other peripheral equipment to-220 to-263 low dropout voltage: 1.15v at 1a output cur - rent trimmed current limit on-chip thermal shutdown three-terminal adjustable or fixed 1.5v, 1.8v, 2.5v, 3.3v, 5v the ec48 117 is aseries of low dropout three - terminal regulators with a dropout of 1.15v at 1a output cur- rent. the EC48117 series provides current limiting and ther- mal shutdown. its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within 1%. current limit is trimmed to ensure specified output current and controlled short-circuit current. on- chip thermal shutdown provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. the EC48117 has an adjustable version that can pro- vide the output voltage from 1.25v to 12v with only 2 external resistors. the EC48117 series is available in the industry standard sot-223, sot-89, to-220, to-252,to-263 power packages. operation junction temperature: 0 o o figure 1. package types of ec48 117 1 sot - 89
data sheet 1a low dropout linear regulator EC48117 pin configurations rev. 1. 2 h package (sot-223) 3 2 1 t package (to-220) 3 2 1 s package (to-263) 3 2 1 out out v input output adj/gnd input output adj/gnd input output adj/gnd out v figure 2. pin configurations of ec48 117 2 r package (sot-89) 3 2 1 d package (to-252) 3 2 1 input output adj/gnd input output adj/gnd out v v v dec. 2003 out
data sheet 1a low dropout linear regulator EC48117 functional block diagram input dec. 2003 rev. 1. 2 figure 3. functional block diagram of ec48 117 3 thermal protection - + output for adjustable output, disconnect a1 and a2, connect b for fixed output, connect a1 and a2, disconnect b a2 adj/gnd a1 b
data sheet 1a low dropout linear regulator EC48117 ordering information package temperature range part number marking id packing type EC48117h-adj h11a tape/reel EC48117h-1.5 h12a tape/reel o c c c c c 0 to 125 o o o o EC48117h - 1.8 h13a tape/reel EC48117h-2.5 h14a tape/reel EC48117h-3.3 h16a tape/reel EC48117h-5.0 h17a tape/reel EC48117r-adj r17a tape/reel EC48117r-1.5 r17b tape/reel EC48117r-1.8 r17c tape/reel EC48117r-2.5 r17d tape/reel EC48117r-3.3 r17e tape/reel EC48117r-5.0 r17f tape/reel EC48117t-adj EC48117t-adj tube EC48117t-1.5 EC48117t-1.5 tube EC48117t-1.8 EC48117t-1.8 tube EC48117t-2.5 EC48117t-2.5 tube EC48117t-3.3 EC48117t-3.3 tube EC48117t-5.0 EC48117t-5.0 tube EC48117d-adj EC48117d-adj tube/tape/reel EC48117d-1.5 EC48117d-1.5 tube/tape/reel EC48117d-1.8 EC48117d-1.8 tube/tape/reel EC48117d-2.5 EC48117d-2.5 tube/tape/reel EC48117d-3.3 EC48117d-3.3 tube/tape/reel EC48117d-5.0 EC48117d-5.0 tube/tape/reel EC48117s-adj EC48117s-adj tube/tape/reel EC48117s-1.5 EC48117s-1.5 tube/tape/reel EC48117s-1.8 EC48117s-1.8 tube/tape/reel EC48117s-2.5 EC48117s-2.5 tube/tape/reel EC48117s-3.3 EC48117s-3.3 tube/tape/reel EC48117s-5.0 EC48117s-5.0 tube/tape/reel 0 to 125 0 to 125 0 to 125 0 to 125 sot - 223 sot-89 to-220 to-252 to-263 circuit type package h: sot-223 r: sot-89 t: to-220 dec. 2003 rev. 1. 2 adj: adjustable output 1.5: fixed output 1.5v 1.8: fixed output 1.8v 2.5: fixed output 2.5v 3.3: fixed output 3.3v 5.0: fixed output 5.0v 4 d: to - 252 s: to-263 some of our products are available in lead free packages; if buyers need lead free product, please add - e1 after the part number in your order. for example, ec358m is a standard tin-lead product, ec358m-e1 means a lead free product. ec 48117 x - z
data sheet 1a low dropout linear regulator EC48117 absolute maximum ratings (note 1) parameter value unit c c c v o o o 5 dec. 2003 rev. 1. 2 20 v v maximum junction temperature 150 storage temperature range -65 to 150 lead temperature (soldering, 10 sec.) 300 esd (machine model) 600 in o c operating junction temperature range 0 125 v 15 v in note 1: stresses greate r than those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolute maximum ratings" for extended periods may affect device reliability. recommended operating conditions parameter min max unit
data sheet 1a low dropout linear regulator EC48117 electrical characteristics out 10 10 10 10 10 10 in in in in in in ec48 117 - 1.5 out out out out out out = 10ma, 1.5v i v v v v v v v v v v v v - v -v -v -v -v -v i i ec48 117 - 2. 5 = 10ma, 1.5v ec48 117 - 3.3 out out out = 10ma, 1.5v ec48 117 - 1.8 = 10ma, 1.5v i ec48 117 - adj ec48 117 - 5.0, i out m = 10 = 7.0v 12v 10v 1a, 4.75v , in out 10ma out i v 1a, 6.5v i = 2v, 10ma - v in ec48 117 - 3.3 out v = 2v, 10ma - v in ec48 117 - 2.5 out v = 2v, 10ma - v in 6 out v = 2v, 10ma - v in ec48 117 - 5.0 out v v ec48 117 - adj - v i i i i i i = 2v, 10ma out out = 10ma, 1.5v ec48 117 - 5.0 = 10ma, 1.5v i = 2v, 10 ma - v in ec48 117 - 1.8 out v in 1 1 1 1 1 1 out ec48 117 - 1.5 out out out out out out i out in p maximum power dissipation out - v 1 ec48 117 - 1.5, i 10ma in i v 1a, 3.0v out v m = 3.5v 10v = 3.8v 10v = 4.5v 10v = 5.0v , = 10 v in 1 j m EC48117 - adj i 0v, operating conditions: v parameter reference voltage output voltage line regulation load regulation dec. 2003 rev. 1. 2 o t c unless otherwise specified. conditions min typ max unit =25 v out in 10ma , 1.4v i out = 2v 8v, - v = 10 1.238 1.250 1.262 v 1.225 1.250 1.270 1.485 1.5 1.515 v 1.470 1.5 1.530 1.782 1.8 1.818 v 1.746 1.8 1.854 2.475 2.5 2.525 v 2.450 2.5 2.550 3.267 3.3 3.333 v 3.235 3.3 3.365 4.950 5.0 5.050 v 4.900 5.0 5.100 0.035 0.2 % 1 6 mv 1 6 mv 1 6 mv 1 6 mv 1 10 mv 0.2 0.4 % 1 10 mv 1 10 mv 1 10 mv 1 10 mv 1 15 mv , 1a, 3.9v i v 10ma = 10 v , in out , = 10 out 10ma in in in v v v out in m ec48 117 - 3.3, i m v m = 10 out , ec48 117 - 1.8, i in out in out ec48 117 - 2.5, i in i 10ma 1a, 3.2v v
data sheet 1a low dropout linear regulator EC48117 electrical characteristics (continued) in out =1a - v = 3v, i t =125 o out long - term stability rms output noise f =120hz, c =22 out +1.25v in out v temperature stability f tantalum, db % % % c/w out thermal resistance, junction to case thermal shutdown thermal shutdown hysteresis dec. 2003 rev. 1. 2 ) a (% of v c c o o sot - 223 to-252 to-220 to-263 junction temperature o t =25 o c, 1000hrs a 1 0khz 7 c, 10hz f - v v adjust pin current change out out out = 2v 60 120 a a out in , , , 1.00 1.1 v 1.08 1.18 v 1.15 1.25 v 1.25 1.35 a i i i v v v ref ref ref = 0.1 = 0.5 = 1.0 10v, 10ma = 1% = 1% = 1% out out in in out =v quiescent current v ripple rejection 10v (adj only) ma ma - v -v v v 1.4v minimum load current (adj) 1.5v i 1a 0.2 5 1.7 5 5 10 60 75 0.5 0.3 0.003 15 10 4.5 4 150 25 t =25 o operating conditions: v parameter dropout voltage current limit adjust pin current c unless otherwise specified. conditions min typ max unit in j 0v, 1
data sheet 1a low dropout linear regulator EC48117 typical performance characteristics 8 figure 6. reference voltage vs. temperature figure 7. output voltage vs. temperature figure 4. dropout voltage vs. output current figure 5. load regulation vs. temperature dec. 2003 rev. 1. 2 3.40 3.35 vout=3.3v 3.30 3.25 3.20 3.15 0 25 50 75 100 125 3.10 o ambient temperature ( c) 0.4 0.3 0.2 0.1 0.0 -0.1 0 20 40 60 80 100 120 ambient temperature ( c) o 0.4 0.6 0.8 1.0 output current (a) 1.260 1.255 1.250 1.245 1.240 1.235 1.230 1.225 1.220 1.215 1.210 0 25 50 75 100 125 o ambient temperature ( c) 1.2 1.1 t 1.0 o t 0.9 o =0 c a t 0.8 0.7 0.6 0.5 0.2 =120 c a o =25 c a d r o p o u t v o l t a g e ( v ) o u t p u t v o l t a g e r e f e r e n c e v o l t a g e ( v ) o u t p u t v o l t a g e ( v )
data sheet 1a low dropout linear regulator EC48117 typical performance characteristics (continued) figure 8. minimum load current vs. temperature figure 9. adjust pin current vs. temperature figure 11. maximum power dissipation 9 figure 10. short - circuit current vs. temperature dec. 2003 rev. 1. 2 10.0 7.5 5.0 sot 223 2.5 0.0 25 50 75 100 125 case temperature( c) o 2.00 1.75 1.50 1.25 1.00 0 25 50 75 100 125 junction temperature ( c) o 100 90 80 70 60 50 40 30 20 10 0 0 25 50 75 100 125 o ambient temperature( c) 5 4 3 2 1 0 0 25 50 75 100 125 o ambient temperature( c) m i n i m u m l o a d c u r r e n t ( m a ) a d j u s t p i n c u r r e n t ( u a ) s h o r t - c i r c u i t c u r r e n t ( a ) p o w e r ( w )
data sheet 1a low dropout linear regulator EC48117 typical performance characteristics (continued) figure 12.line transient response figure 13. load transient response 10 dec. 2003 rev . 1. 2 60 50 40 30 20 10 100 1k 10k 100k frequency(hz) figure 14. ripple rejection vs. frequency r i p p l e r e j e c t i o n ( d b )
data sheet 1a low dropout linear regulator EC48117 typical applications figure 15. typical applications of ec48 117 11 dec. 2003 rev. 1. 2 tantalum f 22 tantalum 76 8 124 r2 ec48 117 - adj v adj ec48 117-5.0 v gnd in =12v 10 9v at 1a + v in v v f out r1 in in =7v 10 + + v + f out 5v at 1a tantalum tantalum 22 * ( 1+r2/r1) + i =v v f * r2 adj ref out
data sheet 1a low dropout linear regulator EC48117 mechanical dimensions sot - 223 unit: mm dec. 2003 rev. 1. 2 12
data sheet 1a low dropout linear regulator EC48117 mechanical dimensions (continued) sot-89 unit: mm 0.42_0.06 r0.15 dec. 2003 rev. 1. 2 10 13
data sheet 1a low dropout linear regulator EC48117 mechanical dimensions (continued) to - 252 unit: mm dec. 2003 rev. 1. 2 . 14
data sheet 1a low dropout linear regulator EC48117 mechanical dimensions (continued) to - 220 unit: mm 4 . . 1 15 6 dec. 2003 rev. 1. 2
data sheet 1a low dropout linear regulator EC48117 mechanical dimensions (continued) to - 263 unit: mm 7 5 ? 3 2.54 2.54 dec. 2003 rev. 1. 2 3 ? 3 16

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