WL2003E 300ma, low noise, high psrr rf ldo descriptions the WL2003E series are 300ma low dropout linear regulators and optimized to provide a high performance solution for battery power system to deliver low quiescent current. the WL2003E 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 WL2003E 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 WL2003E regulators are available in standard sot-23-5l package. standard products are pb-free and halogen-free features input voltage : 2.5v ~ 5.5v output voltage : 1.2v ~ 3.3v output current : 300ma psrr : 70db @ 1khz output noise : 100uv quiescent current : 120a shut-down current : < 0.1a dropout voltage : 120mv recommend capacitor : 1uf operating temperature : -40 ~ +85 c over current/over temperature protection applications mp3/mp4 players cellphones, radiophone, digital cameras bluetooth, wireless handsets others portable electronics device sot-23-5l pin configuration (top view) **** for detail marking information, please see page 7. marking order informations for detail order information, please see page 7. vin gnd en nc vout 2 3 4 5 1 1 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical applications block diagram pin descriptions pin symbol description 1 vin input 2 gnd ground 3 en enable (active high) 4 nc not connected 5 vout output 2 3 4 5 1 off on vin vout 1uf 1uf v ref gnd vout vin en current limit enable control otp WL2003E 2 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
absolute maximum ratings recommend operating ratings electronics characteristics (t a =25c, v in =v out +1v, c in =c out =1uf, unless otherwise noted) parameter value unit power dissipation 500 mw v in range -0.3 6.5 v v en range -0.3 v in v v out range -0.3 v in v lead temperature range 260 o c storage temperature range -55 ~ 150 o c operating junction temperature range 150 o c esd rating (hbm) 8000 v esd rating (mm) 1000 v esd rating (cdm) 4000 v parameter value unit thermal resistance, r ja 250 o c/w operating temperature range -40 85 o c parameter symb ol condition min. typ. max. unit v out < =1.5v 30 mv output voltage accuracy v out v out > 1.5v 2 % current limit i lim v in = vout+1v 400 ma i out =200ma, vout=2.8v 120 200 dropout voltage v drop i out =300ma, vout=2.8v 190 300 mv line regulation ? v line v in =2.5~5.5v, iout =1ma 0.03 0.15 %/v load regulation ? v load v in =3.8v, i out = 1~ 300ma 22 30 mv quiescent current i q v en >1.2v, out =0 120 150 ua shut-down current i shdn v in =3.3v,en=0v 0.1 1.0 ua 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 v in =v out +1v, start-up 1.2 v en logic low voltage v enl v in =v out +1v, shutdown 0.4 v en input current i en ven= 0 to 5v 1.0 ua output noise voltage e no 10hz to 100khz, i out =200ma, c out =1 uf 100 uv p-p thermal shutdown temperature t sd 165 o c thermal shutdown hysteresis t sd 30 o c WL2003E 3 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical characteristics 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 =3.8v,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 =3.8v,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 =3.8v,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 =3.8v,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 =3.8v,v out =2.8v,i out =0ma en shutdown threshold(v) temperature(c o ) WL2003E 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) WL2003E 5 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
package outline dimensions sot-23-5l 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(basic) e1 1.800 2.000 l 0.300 0.600 0 o 8 o WL2003E 6 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
order information marking: w*** = device code yy = year ww = week ordering no. vout (v) package operating temperature marking shipping WL2003E12g-5/tr 1.2 sot-23-5l -40~+85 c wl12 yyww tape and reel, 3000 WL2003E13g-5/tr 1.3 sot-23-5l -40~+85 c wl13 yyww tape and reel, 3000 WL2003E15g-5/tr 1.5 sot-23-5l -40~+85 c wl15 yyww tape and reel, 3000 WL2003E18g-5/tr 1.8 sot-23-5l -40~+85 c wl18 yyww tape and reel, 3000 WL2003E25g-5/tr 2.5 sot-23-5l -40~+85 c wl25 yyww tape and reel, 3000 WL2003E28g-5/tr 2.8 sot-23-5l -40~+85 c wl28 yyww tape and reel, 3000 WL2003E30g-5/tr 3.0 sot-23-5l -40~+85 c wl30 yyww tape and reel, 3000 WL2003E33g-5/tr 3.3 sot-23-5l -40~+85 c wl33 yyww tape and reel, 3000 WL2003E125g-5/tr 1.25 sot-23-5l -40~+85 c w125 yyww tape and reel, 3000 WL2003E 7 of 7 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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