data and specifications subject to change without notice. ape8800 advanced power electronics corp. 300ma low dropout linear regulator features low dropout voltage of 250mv at 300ma guaranteed 300ma output current very low quiescent current at about 30ua 2% output voltage accuracy for 1.5v,1.8v, 2.5v needs only 1f capacitor for stability therma l shutdown protection current limit protection low-esr ceramic capacitor for output stability. tiny sot-23 and sot-89 pa ckages halogen free & rohs compliant product applications dvd/cd-roms, cd/rws wireless devices lcd modules battery power systems card readers xdsl routers description the ape8800 series are low dropout, positive linear regulators with very low quiescent current. the ape8800 can supply 300ma output current with a low dropout voltage at about 250mv. the ape8800 regulator is able to operate with output capacitors as small as 1f for stability. other than the current limit protection ape8800 also offers on chip thermal shutdown feature providing protection against overload or any condition when the ambient temperature exceeds the junction temperature. the ape8800 series are offering three different fixed output voltage types including 1.5v, 1.8v, 2.5v 2.8v, 3v, 3.3 & 3.6 volt. the ape8800 series are available in low-profile, space-saving 3-lead sot-23 and sot-89 packages. ape8800 vout vin gnd 1f c out 1f c in v out v in figure 1. typical application circuit of ape8800 note to prevent oscillation, it is recommended to use minimum 1f x7r or x5r dielectric capacitors if ceramics are used as input/output capacitors. typical application circuit 2.8v, 3v, 3.3v & 3.6v 1 200903025
2 ape8800 advanced power electronics corp. ordering information pin assignments sot-23( n ) 3 12 top view 1. gnd 2. vout 3. vin sot-89(g ) 2 13 top view 1. gnd 2. vin 3. vout sot-89(gr ) 2 13 top view 1. vout 2. gnd 3. vin figure 2. pin assignment of ape8800 absolute maximum ratings parameter symbol min max unit supply input voltage v in 6 v maximum junction temperature t j 150 oc power dissipation sot-23 p d 0.4 w power dissipation sot-89 p d 0.57 w package thermal resistance sot-23 ja 250 c/w package thermal resistance sot-89 ja 175 c/w storage temperature range t s -65 150 oc lead temperature (soldering, 10 sec.) t lead 260 oc note ! stresses beyond those listed under ?absolute maximum ratings" may cause permanent damage to the device. package type n: sot-23 g: sot-89 gr: sot-89 a pe8800 " - " output voltage 15: 1.5v 18: 1.8v 25: 2.5v 28: 2.8v 30: 3.0v 33: 3.3v note ! the devices are available in fixed voltages 1.5v, 1.8v, 2.5v, 2.8v, 3v, 3.3v & 3.6v 36: 3.6v -hf halogen free
3 ape8800 advanced power electronics corp. recommended operating conditions parameter symbol min max unit input voltage v in 2.8 5.5 v operating junction temperature range t j -40 125 oc electrical characteristics (v in =v out +1v or v in =2.8v whichever is greater, c in =1f, c out =1f, t a =25 oc, unless otherwise specified) parameter symbol conditions min typ max unit output voltage accuracy v out i o = 1ma -2 +2 % current limit i limit r load =1 300 ma quiescent current i q i o = 0ma 30 50 a 1.2v " v out " 2.0v 1100 2.0v < v out " 2.8v 350 dropout voltage (note 1) v drop i o =300ma 2.8v < v out " 4.5v 250 mv line regulation v line i o =1ma, v in =v out +1v to 5v 1 5 mv load regulation (note 2) v load i o =0ma to 300ma 6 20 mv ripple rejection psrr v in =v out +1v f ripple = 120hz, c out = 1f 60 db temperature coefficient tc i out = 1ma, v in = 5v 50 ppm/ oc thermal shutdown temperature tsd 160 oc thermal shutdown hysteresis tsd 25 oc note 1 ! the dropout voltage is defined as v in -v out , which is measured when v out drop about 100mv. not e 2 ! regulation is measured at a constant junction temperature by using pulse current and load regulation in the load range fr om 0ma to 300ma. functional pin description pin name pin function vin power is supplied to this device from this pin which is required an input filter capacitor. in general, the input capacitor in the range of 1f to 10f is sufficient. vout the output supplies power to loads. the output capacitor is required to prevent output voltage unstable. the ape8800 is stable with an output capacitor 1f or greater. the larger output capacitor will be required for application with large transit load to limit peak voltage transits, besides could reduce output noise, improve stability, psrr. gnd common ground pin ambient temperature range t a -40 125 oc
4 ape8800 advanced power electronics corp. block diagram error amp current limit thermal shutdown _ _ _ _ + + + + vref 1.2v vin vout gnd rsen pmos r1 r2 figure 3. block dia gram of ape8800 application information the ape8800 series are low dropout linear regulators that could provide 300ma output current at dropout voltage about 300mv. besides, current limit and on chip thermal shutdown features provide protection against any combination of overload or ambient temperature that could exceed junction temperature. 1.output and input capacitor the ape8800 regulator is designed to be stable with a wide range of output capacitors. the esr of the output capacitor affects stability. larger value of the output capacitor decreases the peak deviations and provides to improve transition response for larger current changes. the capacitor types (aluminum, ceramic, and tant- alum) have different characterizations such as temperature and voltage coefficients. all ceramic capacitors are manufactured with a variety of dielectrics, each with different behavior across temperature and applications. common dielectrics used are x5r, x7r and y5v. it is recommended to use 1uf to 10uf x5r or x7r dielectric ceramic capacitors with 30m ? to 50m ? esr range betw- een device outputs to ground for transient stability. the ape8800 is designed to be stable with low esr ceramic capacitors and higher values of capacitors and esr could improve output stability. so the esr of output capacitor is very important beca- use it generates a zero to provide phase lead for loop stability. there are no requirements for the esr on the input capacitor, but its voltage and temperature coefficient have to be considered for device application environment. 2.protection features in order to prevent overloading or thermal cond- ition from damaging the device, ape8800 regulator has internal thermal and current limiting functions designed to protect the device. it will rapidly shut off pmos pass element during overloading or over temperature condition. 3.thermal consideration the power handling capability of the device will be limited by maximum operation junction temp- erature (125 c). the power dissipated by the device will be estimated by pd = iout (vin-vout). the power dissipation should be lower than the maximum power dissipation listed in ?absolute maximum ratings? section.
5 ape8800 advanced power electronics corp. typical performance curve 3.0 3.5 4.0 4.5 5.0 5.5 6.0 30 35 40 45 50 vout=1.8v cin=1uf cout=1uf quiescent current (ua) 3.0 3.5 4.0 4.5 5.0 5.5 6.0 30 35 40 45 50 vout=3.3v cin=1uf cout=1uf quiescent current (ua) in p ut volta g e ( v ) figure 4. quiescent current vs. input voltage figure 5. quiescent current vs. input voltage 3.0 3.5 4.0 4.5 5.0 5.5 6.0 850 800 750 700 650 vout=1.8v cin=1uf cout=1uf current limit(ma) input voltage(v) 3.5 4.0 4.5 5.0 5.5 6.0 650 700 750 800 850 vout=3.3v cin=1uf cout=1uf current limit(ma) input voltage(v) figure 6. current limit vs . input voltage figure 7. current limit vs . input voltage -25 0 25 50 75 100 125 650 700 750 800 850 vin=5v vout=1.8v cin=1uf cout=1uf current limit(ma) temperature( 0 c) -25 0 25 50 75 100 125 650 700 750 800 850 vin=5v vout=3.3v cin=1uf cout=1uf current limit(ma) temperature( 0 c) figure 8. current limit vs . temperature figure 9. current limit vs . temperature
6 ape8800 advanced power electronics corp. typical performance curve (continued) -25 0 25 50 75 100 125 20 30 40 50 60 vin=5v vout=1.8v cin=1uf cout=1uf quiescent current(ua) temperature ( 0 c) -50 -25 0 25 50 75 100 125 20 30 40 50 60 vin=5v vout=3.3v cin=1uf cout=1uf quiescent current(ua) temperature ( 0 c) figure 10. quiescent current vs . temperature figure 11. quiescent current vs . temperature -25 0 25 50 75 100 125 1.70 1.75 1.80 1.85 1.90 vin=5v cin=1uf cout=1uf output voltage(v) temperature( 0 c) -25 0 25 50 75 100 125 3.20 3.25 3.30 3.35 3.40 vin=5v cin=1uf cout=1uf output voltage(v) temperature( 0 c) figure 12. temperature stability figure 13. temperature stability 0 50 100 150 200 250 300 0 100 200 300 400 500 cin=1uf cout=1uf vout=3.3v tj=125 0 c tj=85 0 c tj=25 0 c tj=-40 0 c dropout voltage(v) loading current(ma) figure 14. dropout voltage vs . loading current
7 ape8800 advanced power electronics corp. typical performance curve (continued) v in =4v i out = 1ma to150ma v out =3.3v c in =1uf c out =1uf v in =4v i out =1ma to 150ma v out =3.3v c in =1uf c out =4.7uf figure 15. load transition response figure 16. load transition response v in =3v to 4v i out =10ma v out = 1.8v c in =1uf c out =1uf v in =3v to 4v i out =10ma v out = 1.8v c in =1uf c out =4.7uf figure 17. line transition response figure 18. line transition response
package outline : sot-23 millimeters min nom max a 1.00 1.15 1.30 a1 0.00 -- 0.10 a2 0.10 0.15 0.25 d1 0.30 0.40 0.50 e 1.70 2.00 2.30 d 2.70 2.90 3.10 e 2.40 2.65 3.00 e1 1.40 1.50 1.60 1.all dimension are in millimeters. 2.dimension does not include mold protrusions. part marking information & packing : sot-23 advanced power electronics corp. symbols r5&ss part number : r5 d e1 e e d1 a a1 a2 date code : ss:2004,2008,2012? ss :2003,2007,2011? s s:2002,2006,2010? ss :2001,2005,2009? "a~z" showed on 3rd position --> week 1 ~ week 26, "a~z" showed on 4th position --> week 27 ~ week 52. laser marking vout : a : 1.5v d : 2.8v b : 1.8v e : 3.0v c : 2.5v f : 3.3v h : 3.6v
package outline & packing : sot-89 millimeters symbols min nom max 4.40 - 4.60 4.05 - 4.25 1.40 - 1.75 2.40 - 2.60 0.89 - 1.20 0.35 - 0.55 ---- 1.50 ---- ---- 3.00 ---- 1.40 - 1.60 0.35 - 0.43 1.all dimensions are in millimeters. 2.dimension does not include mold protrusions. part marking information : sot-89 j a b c e advanced power electronics corp. k f i h g d i e b c 1 2 3 h g a j k 880x& part number y wws date code (ywws) y:year ww
|
