w l 2805 low power consumption , cmos ldo descriptions the wl2805 s eries are low dropout linear regulator s and optimized to provid e a high performance solution for battery power system to d eliver low quiescent current . the devices offer a new level of cost effective performance in cellular phones, laptop and notebook computers, and other portable devices. the wl2805 series are designed to make use of low cost ceramic capacitors which ensure the stability of the output current, and enhance the effi ciency in order to prolong the battery life of those portable devices. the wl2805 regulators are availab le in sot - 23 - 3 l packages . standard products are pb - free and halogen free products. features ? quiescent current : 3 a typ. ? input voltage : 2.3 v ~ 5 .5 v ? output voltage : 1.2v ~ 3.3v ? o utput current : 25 0ma @ v out >2v ? output current : 100ma @ v out 2v ? dropout voltage : 10 0mv @ 100ma ? recommend capacitor : 1uf ? operating temperature : - 40 ~ +85 c ? output s hort protection applications ? mp3/mp4 playe rs ? cell phones ? bluetooth earphone ? w ireless mouse ? others electronics device s sot - 23 - 3l sot - 23 - 5l WL2805N** wl2805e** pin configuration (top view) f or detail markin g informatio n please see page 9 . marking order information for detail orde r information please see page 9 . 1 2 3 4 5 v i n g n d c e n c v o u t 1 2 3 g n d v o u t v i n 1 2 3 4 5 * * w f y y w w 1 2 3 f * * * 1 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification 1 2 3 4 5 v i n g n d c e n c v o u t 1 2 3 g n d v o u t v i n 1 2 3 4 5 * * w f y y w w 1 2 3 f * * *
typical application s block diagram WL2805N** p in description s wl2805e** pin symbol description 1 gnd ground 2 vout output 3 vin input pin symbol description 1 vin input 2 gnd ground 3 ce chip enable, active high 4 nc not connected 5 vout output 1 2 3 v i n 1 u f v o u t 1 u f v i n 1 u f v o u t 1 u f 1 2 3 4 5 v i n g n d c e n c v o u t v r e f v i n v o u t c e v r e f v i n c e 0 . 1 u a e a c h c i r c u i t v o u t w l 2805 2 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification 1 2 3 v i n 1 u f v o u t 1 u f v i n 1 u f v o u t 1 u f 1 2 3 4 5 v i n g n d c e n c v o u t v r e f v i n v o u t c e v r e f v i n c e 0 . 1 u a e a c h c i r c u i t v o u t
absolute maximum ratings operating range electronics characteristics ( v in = v out +1 v, c in = c out = 1uf, t a =25c , unless otherwise noted ) parameter value unit power dissipatio n 300 mw v in ra nge - 0 .3 6 . 0 v v en ra nge - 0 .3 v in v v out ra nge - 0 .3 v in v lead temperature 260 o c storage temperature - 65 ~ 150 o c operating junction temperature 150 o c parameter value unit thermal resistance, r ja 417 o c/w input voltage 2. 3 ~ 5.5 v op erating temperature range - 40 85 o c parameter symbol condition min. typ. max. unit output v oltage v out v in = v out +1 v , i out =1 ma 1.17 0 1.2 00 1.23 0 v 1.27 0 1. 3 00 1.33 0 1.47 0 1.5 00 1.53 0 1.764 1.8 00 1.836 2.45 0 2.5 00 2.55 0 2.744 2.8 00 2.856 2.94 0 3.0 00 3.06 0 3.234 3.3 00 3.366 output current i out v out > 2v 250 ma v out 2v 100 output short current l imiter i lim v out =gnd 15 0 ma dropout voltage v drop i out = 3 0ma , v out =3.0v 30 100 mv i out = 1 00ma , v out =3.0v 100 200 line regulation v line v in = v out +1v ~ 6v, i out = 40 ma 0.1 %/v load regulation v l oad i out = 1~ 1 00ma 25 mv quiescent current i q v in = v out +1 v , i out =0 a 3 5 u a power supply ripple rejection psrr vp - p=1v, f=100hz, i out =10ma - 50 db vp - p=1v, f=1khz, i out =10ma - 30 db w l 2805 3 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
t ypical characteristic s (t a =25 o c, unless otherwise noted ) q uiescent current vs. input voltage outpu t voltage vs. input voltage dropout voltage vs. output current q uiescent current vs. input voltage output voltage vs. input voltage dropout voltage vs. output current 0 1 2 3 4 5 6 0 3 6 9 12 15 v out =3.0v quiescent current (ua) input voltage (v) 0 1 2 3 4 5 6 0 3 6 9 12 15 quiescent current (ua) input voltage (v) v out =3.3v 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.0v i out =100ma output voltage (v) input voltage (v) 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.3v i out =100ma output voltage (v) input voltage (v) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.0v dropout voltage (v) output current (ma) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.3v dropout voltage (v) output current (ma) w l 2805 4 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification 0 1 2 3 4 5 6 0 3 6 9 12 15 v out =3.0v quiescent current (ua) input voltage (v) 0 1 2 3 4 5 6 0 3 6 9 12 15 quiescent current (ua) input voltage (v) v out =3.3v 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.0v i out =100ma output voltage (v) input voltage (v) 0 1 2 3 4 5 6 0 1 2 3 4 5 v out =3.3v i out =100ma output voltage (v) input voltage (v) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.0v dropout voltage (v) output current (ma) 0 50 100 150 200 250 300 0 50 100 150 200 250 300 v out =3.3v dropout voltage (v) output current (ma)
output short protec tion output voltage vs. temperature psrr vs. frequency output short protection output voltage vs. temperature psrr vs. frequency 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 v out =3.0v 85 o c 25 o c output voltage (v) output current (ma) -40 o c 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 v out =3.3v 85 o c 25 o c output voltage (v) output current (ma) -40 o c -50 -25 0 25 50 75 100 125 2.95 2.96 2.97 2.98 2.99 3.00 3.01 3.02 v out =3.0v io=100ma io=40ma output voltage (v) temperature ( o c) io=1ma -50 -25 0 25 50 75 100 125 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 v out =3.3v io=100ma io=40ma output voltage (v) temperature ( o c) io=1ma 10 100 1000 10000 0 10 20 30 40 50 60 70 80 psrr (db) frequency (hz) v in =4.0v v in_ripple =1vp-p v out =3.0v i out =1ma 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.3v v in-ripple =1vp-p v out =3.3v i out =1ma psrr (db) frequency (hz) w l 2805 5 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 v out =3.0v 85 o c 25 o c output voltage (v) output current (ma) -40 o c 0 100 200 300 400 500 600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 v out =3.3v 85 o c 25 o c output voltage (v) output current (ma) -40 o c -50 -25 0 25 50 75 100 125 2.95 2.96 2.97 2.98 2.99 3.00 3.01 3.02 v out =3.0v io=100ma io=40ma output voltage (v) temperature ( o c) io=1ma -50 -25 0 25 50 75 100 125 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 v out =3.3v io=100ma io=40ma output voltage (v) temperature ( o c) io=1ma 10 100 1000 10000 0 10 20 30 40 50 60 70 80 psrr (db) frequency (hz) v in =4.0v v in_ripple =1vp-p v out =3.0v i out =1ma 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.3v v in-ripple =1vp-p v out =3.3v i out =1ma psrr (db) frequency (hz)
psrr vs. frequency power u p line regulation psrr vs. frequency power down load regulation 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.0v v in_ripple =1vp-p v out =3.0v i out =10ma psrr (db) frequency (hz) 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.3v v in_ripple =1vp-p v out =3.3v i out =10ma psrr (db) frequency (hz) w l 2805 6 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.0v v in_ripple =1vp-p v out =3.0v i out =10ma psrr (db) frequency (hz) 10 100 1000 10000 0 10 20 30 40 50 60 70 80 v in =4.3v v in_ripple =1vp-p v out =3.3v i out =10ma psrr (db) frequency (hz)
package outline dimensions sot - 23 - 3l symbol dimensions in millimeters min. max. a 1.050 1.250 a1 0.000 0.100 a2 1.050 1.150 b 0 .300 0.500 c 0.100 0.200 d 2.820 3.020 e 1.500 1.700 e1 2.650 2.950 e 0.950(basic) e1 1.800 2.000 l 0.300 0.600 0 o 8 o w l 2805 7 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
package outline dimensions sot - 23 - 5l symbol dimensions in millimeters min. max. a 1.050 1.250 a 1 0.000 0.100 a2 1.050 1.150 b 0.300 0.500 c 0.100 0.200 d 2.820 3.020 e 1.500 1.700 e1 2.650 2.950 e 0.950(basic) e1 1.800 2.000 l 0.300 0.600 0 o 8 o w l 2805 8 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
order information marking: f 12 = device c ode * = month code (a~z) wf12 = device code yy = year ww = week ordering no. vout (v) package operating temperature marking shipping wl2 805n 12 - 3 /tr 1.2 sot - 23 - 3l - 40~+85 c f12* 3000 tape & reel WL2805N13 - 3/tr 1.3 sot - 23 - 3l - 40~+85 c f13* 3000 tape & reel WL2805N15 - 3/tr 1.5 sot - 23 - 3l - 40~+85 c f15* 3000 tape & reel WL2805N18 - 3/tr 1.8 sot - 23 - 3l - 40~+85 c f18* 3000 tape & reel WL2805N2 0 - 3 /tr 2. 0 sot - 23 - 3l - 40~+85 c f2 0 * 3000 tape & reel WL2805N25 - 3 /tr 2.5 sot - 23 - 3l - 40~+85 c f25* 3000 tape & reel WL2805N28 - 3/tr 2.8 sot - 23 - 3l - 40~+85 c f28* 3000 tape & reel WL2805N30 - 3/tr 3.0 sot - 23 - 3l - 40~+85 c f30* 3000 tape & reel WL2805N33 - 3/tr 3.3 sot - 23 - 3l - 40~+85 c f33* 3000 tape & reel wl2805 e 12 - 5 /tr 1.2 sot - 23 - 5l - 40~+85 c wf 12 yyww 3000 tape & reel wl2805 e 1 3 - 5 /tr 1.3 sot - 23 - 5l - 40~+85 c wf 13 yyww 3000 tape & reel wl2805 e 15 - 5 /tr 1.5 sot - 23 - 5l - 40~+85 c wf 15 yyww 3000 tape & reel wl2805 e 18 - 5 /tr 1.8 sot - 23 - 5l - 40~+85 c wf 18 yyww 3000 tape & reel wl2805 e 25 - 5 /tr 2.5 sot - 23 - 5l - 40~+85 c wf 25 yyww 3000 tape & reel wl2805 e 28 - 5 /tr 2.8 sot - 23 - 5l - 40~+85 c wf 28 yyww 3000 tape & reel wl2805 e30 - 5 /tr 3.0 sot - 23 - 5l - 40~+85 c wf 30 yyww 3000 tape & reel wl2805e33 - 5 /tr 3.3 sot - 23 - 5l - 40~+85 c wf 33 yyww 3000 tape & r eel w l 2805 9 of 9 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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