WL2701E 300ma, low noise, high psrr )? dual output ldo descriptions the WL2701E series are dual output low dropout linear regulators and optimized to provide a high performance solution for battery power system to deliver low quiescent current. the WL2701E series are designed for portable rf and wireless applications to deliver ultra low output noise and high psrr. the devices offer a new level of cost effective performance in cellular phones, laptop and notebook computers, and other portable devices. the WL2701E series are designed to make use of low cost ceramic capacitors which ensure the stability of the output current, and enhance the efficiency in order to prolong the battery life of those portable devices. the WL2701E regulators are available in standard sot-23-6l packages and who are pb-free and halogen free products. features input voltage : 2.5v ~ 6v output voltage : 1.2v ~ 3.3v maximum output current : 300ma (limited by p d ) psrr : 70db @ 1khz output noise : 100uv quiescent current : 120a shut-down current : < 0.1a dropout voltage : 120mv @ 200ma recommend capacitor : 1uf over current/over temperature protection applications mp3/mp4 players cellphones, radiophone, digital cameras bluetooth, wireless handsets others portable electronics device sot-23-6l pin configuration (top view) **** **** for detail marking information, please see page 7. marking order information for detail order information, please see page 7. en1 vin en2 vout2 vout1 2 3 4 5 1 6 gnd 1 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical application single block diagram pin description pin symbol description 1 en1 ldo1 enable (active high) 2 vin power supply 3 en2 ldo2 enable (active high) 4 vout2 ldo2 output 5 gnd ground 6 vout1 ldo1 output 2 3 4 5 1 vin vout1 1uf - + vref en ocp otp vin vout en gnd en2 en1 vout2 1uf 1uf 6 WL2701E 2 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
absolute maximum ratings operating range electronics characteristics ( v in = v en =v out +0.5v or 2.5v, c in =1uf, t a =25c ) parameter symbol value unit power dissipation p d 500 mw input voltage range v in 0 * 6 v enable voltage range v en 0 * v in v output voltage range v out 0 * v in v lead temperature t l 260 o c storage temperature t stg -65 ~ 150 o c junction temperature t j 150 o c parameter symbol value unit thermal resistance r ja 250 o c/w operating temperature t opr -40 * 85 o c parameter symbol condition min. typ. max. unit output voltage vout i out =1ma ref to page 7 v output accuracy ? vout i out =1ma 2 % current limit i lim 400 500 ma v out =2.8v, i out =200ma 120 200 mv dropout voltage v drop v out =2.8v, i out =300ma 190 300 line regulation ? v line 3.3v in 6v, i out =1ma 0.03 0.15 %/v load regulation ? v load i out = 1~ 300ma 0.8 % quiescent current i q v en >1.2v, i out =0ma 120 150 a shut-down current i shdn v in =3.3v, v en =0v 0.1 1.0 a f=100hz ,i out =10 ma,0.5vpp 70 power supply rejection rate psrr f=10khz, i out =10ma,0.5vpp 67 db en logic high voltage v enh start up 1.2 v en logic low voltage v enl shutdown 0.4 v en input current i en v en = 0 to 6v 0.8 a output noise voltage e no 10hz to 100khz, i out =200ma, c out =1 f 100 v rms thermal shutdown temperature t sd 165 o c thermal shutdown hysteresis t sd 30 o c WL2701E 3 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical performance graph quiescent current vs. temperature output voltage vs. output current en shutdown threshold vs. temperature output voltage vs. temperature psrr vs. frequency start up -50 0 50 100 150 2.6 2.7 2.8 2.9 v in =3.3v,v out =2.8v,i out =0ma output voltage(v) temperature(c o ) -50 0 50 100 150 80 100 120 140 160 180 v in =3.3v,v out =2.8v,i out =0ma quiescent current(ua) temperature(c o ) 0 200 400 600 0.0 0.6 1.2 1.8 2.4 3.0 output current(ma) v in =v en =3.3v,v out =2.8v output voltage(v) 0.1 1 10 -72 -68 -64 -60 -56 v pp =0.2v psrr(db) frequency (khz) v in =3.3v,v out =2.8v,i out =10ma v pp =0.5v -50 0 50 100 150 0.4 0.5 0.6 0.7 0.8 v in =3.3v,v out =2.8v,i out =0ma en shutdown threshold(v) temperature(c o ) WL2701E 4 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
line regulation load regulation line regulation load regulation output noise (vdd by battery) WL2701E 5 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
package outline dimensions sot-23-6l dimensions in millimeters symbol 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 typ. e1 1.800 2.000 l 0.300 0.600 0 o 8 o WL2701E 6 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
order information remark: 1. marking: wl** = device code yy = year ww = week output voltage(v) ordering no. vout1 vout2 package operating temperature marking shipping WL2701E01g-6/tr 1.8 2.8 sot-23-6l -40~+85 c wl01 yyww tape and reel, 3000 WL2701E02g -6/tr 2.8 2.8 sot-23-6l -40~+85 c wl02 yyww tape and reel, 3000 WL2701E03g-6/tr 3.0 3.0 sot-23-6l -40~+85 c wl03 yyww tape and reel, 3000 WL2701E04g-6/tr 3.3 1.8 sot-23-6l -40~+85 c wl04 yyww tape and reel, 3000 WL2701E05g-6/tr 1.5 2.8 sot-23-6l -40~+85 c wl05 yyww tape and reel, 3000 WL2701E06g-6/tr 2.8 3.0 sot-23-6l -40~+85 c wl06 yyww tape and reel, 3000 WL2701E07g-6/tr 1.2 2.8 sot-23-6l -40~+85 c wl07 yyww tape and reel, 3000 WL2701E08g-6/tr 2.5 1.2 sot-23-6l -40~+85 c wl08 yyww tape and reel, 3000 WL2701E09g-6/tr 1.8 3.15 sot-23-6l -40~+85 c wl09 yyww tape and reel, 3000 WL2701E 7 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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