advanced power electronics corp. features description low, quiescent current guaranteed 300ma output current over-temperature protection and short-circuit protection fixed mode : 4.75v ultra low supply shutdown current stable with low cost ceramic capacitors rohs compliant & halogen free high psrr applications cellular phones notebook computers pdas hand-held devices APE8833 - data and specifications subject to change without notice 200803211 APE8833 typical application 1 300ma high psrr, low noise, ldo regulators ordering informatio n y 5 : sot-23-5l package output voltage 475 : 4.75v the APE8833 series are low dropout, positive linear regulators with very low quiescent current. the APE8833 can supply 300ma output current with a low dropout voltage. the APE8833 regulator is able to operate with output capacitors as small as 1f for stability. other than the current limit protection APE8833 also offers on chip thermal shutdown feature providing protection against overload or any condition when the ambient temperature exceeds the junction temperature. the APE8833 series are offering several fixed output voltage types and low-profile ,space-saving sot-23-5l package.
advanced power electronics corp. APE8833 absolute maximum ratings (at t a =25c) input voltage (vin) 6v power dissipation (sot-23-5l) 0.4w storage temperature range -65 to 150c maximum junction temperature 150c recommended operating conditions input voltage (vin) 5v to 5.5v operating junction temperature range -40 to 125c ambient temperature -40 to 85c package information electrical specifications (v in =5v, v shdn =v in , t a =25 : , c in =c out =1f, unless otherwise noted.) parameter sym test condition min typ max units input voltage v in 5-6 v output voltage accuracy(fixed) -3.0 - 3.0 % max. output current 300 - - ma current limit i lm 400 550 - ma short circuit current i sc v out <1.0v - 500 - ma 2 sot-23-5l rthja=250c/w 5 4 1 2 3 5 4 1 2 3 gnd shdn vout vin bp
advanced power electronics corp. APE8833 electrical specifications(cont.) parameter sym test condition min typ max units ground pin current i q i out =0ma, v in =5v - 80 -ua dropout voltage(note1) v drop v out =4.75v,i out =300ma - 0.25 0.5 v line regulation ? v lnr v in =v out +0.5v to 5.5v,i out =10ma - 0.06 0.12 %/v load regulation(note2) ? v ldr i out =10ma to 300ma - - 0.02 %/ma i o =1ma, c out =1f, f ripple =1khz - -65 - f ripple =10khz - -40 - v ih regulator enabled 1.5 - - v il regulator shutdown - - 0.4 shdn input bias current i shdn v shdn =v in , t a =25c - 0.003 0.1 ua shutdown supply current i qshdn v out =0v, t a =25c - 0.2 1 ua thermal shutdown temperature t shdn - 160 - c thermal shutdown hysteresis ? t shdn -32- c note1. 1 ? the dropout voltage is defined as vin-vout, which is measured when vout drop about 100mv. junction temperature as close to ambient as possible. note2. regulation is measured at a constant junction temperature by using 30ms current pulse and load regulation in the load range from 0ma to 300ma. pin descriptions pin symbol pin description 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. gnd common ground pin shdn chip enable (active high) bp reference noise bypass ( the bypass capacitor
1nf ) the output supplies power to loads. the output capacitor is required to prevent output voltage unstable. the APE8833 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. ripple rejection psrr db 3 shdn input thershold shutdown v thermal protection vin vout
advanced power electronics corp. APE8833 block diagram 4
advanced power electronics corp. APE8833 typical performance characteristics 5 load regulation turn-off turn-on load transient short circuit current line regulation ? ?? ? ? ??? ?? ?? ? ? ? ?? ?? ? ?? ? ? ??? ?? ?? ? ? ??? ?? ??? ?? ??? ? ?? ??
advanced power electronics corp. APE8833 typical performance characteristics(cont.) dropout voltage vs. i l 6 output voltage vs. temperature ? ? ??? ?? ??? ?? ??? ? ? ??? ?? ??? ?? ??? il( ma ) dropout voltage(mv) t a =85 : t a =-25 : t a =25 : ?? ?? ? ?? ? ?? ????? v in =5.0v v in =5.5v i l =10ma temperature( : ) output voltage(v)
package outline : sot-23-5l millimeters min nom max a 1.00 1.10 1.30 a1 0.00 --- 0.10 a2 0.70 0.80 0.90 b 0.35 0.40 0.50 c 0.10 0.15 0.25 d 2.70 2.90 3.10 e 1.50 1.60 1.80 e --- 1.90(typ) --- h 2.60 2.80 3.00 l 0.37 --- --- 1159 e2 --- 0.95(typ) --- note 1 package body sizes exclude mold flash protrusions or gate burrs. note 2 tolerance 0.1000 mm(4mil) unless otherwise spe- cified. note 3 coplanarity 0.1000 mm note 4 dimension l is measured in gage plane. part marking information & packing : sot-23 -5l vout. advanced power electronics corp. symbols rm&xx part date code 7
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