ap1116 0.5a low dropout positive adju stable or fixe d-mode regulator (preliminary) this datasheet contains new product information. anachip corp. reserves the rights to modify the product specification without notice. no liability is assumed as a result of the use of this product. no rights under any patent accompany the sale of the product. rev. 0.2 feb.10, 2004 1/5 features ? 1.3v maximum dropout at full load current ? fast transient response ? output current limiting ? built-in thermal shutdown ? packages: sot89 ? good noise rejection ? 3-terminal adjustable or fixed 1.5v / 1.8v / 2.5v / 3.3v / 5.0v applications ? pc peripheral ? communication general description ap1116 is a low dropout positive adjustable or fixed-mode regulator with minimum of 0.5a output current capability. the product is specifically designed to provide well-regulated supply for low voltage ic applications such as high-speed bus termination and low current 3.3v logic supply. ap1116 is also well suited for other applications such as vga cards. ap1116 is guaranteed to have <1.3v dropout at full load current making it ideal to provide well regulated outputs of 1.25v to 5v with up to 18v input supply. ordering information ap 1116 x xx x x low dropout regulator package vout y : sot89-3l blank : adj 15 : 1.5v 18 : 1.8v 25 : 2.5v 33 : 3.3v 50 : 5.0v packing blank : tube a : taping lead free blank : normal l : lead free package typical circuit c2 100uf 5v 3.3v/ 0.5a tab is vout vin vout gnd c1 100uf ( 5v/3.3v fixed output ) r1 121 r2 121 c2 100uf 5v 2.5v/ 0.5a tab is vout vin vout adj c1 100uf o v ( 5v/2.5v adj output ) ) 1 2 ref o r r (1 v v + ? = note:
ap1116 0.5a low dropout positive adju stable or fixe d-mode regulator (preliminary) anachip corp. www.anachip.com.tw rev. 0.2 feb.10, 2004 2/5 connection diagram adj (gnd) 3 pin sot89 vout vin 1 3 2 tab is vout pin descriptions name i/o pin # function adj (gnd) i 1 a resistor divider from this pin to the vout pin and ground sets the output voltage. (ground only for fixed-mode) vout o 2 the output of the regulator. a minimum of 10uf capacitor must be connected fr om this pin to ground to insure stability. vin i 3 the input pin of regulator. typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. this pin must always be 1.3v higher than vout in order for the device to regulate properly. absolute maximum ratings symbol parameter rating unit v in dc supply voltage -0.3 to 18 v v p d power dissipation internally limited t st storage temperature -65 to +150 o c t op operating junction temperature range 0 to +150 o c
ap1116 0.5a low dropout positive adju stable or fixe d-mode regulator (preliminary) anachip corp. www.anachip.com.tw rev. 0.2 feb.10, 2004 3/5 electrical characteristics (under operating conditions) parameter conditions min typ max unit reference voltage ap1116-adj t j =25 o c,(v in - out )=1.5v i o =10ma 1.225 1.250 1.275 v ap1116-1.5 i out = 10ma, t j = 25 o c, 3v Q v in Q 12v 1.470 1.500 1.530 v ap1116-1.8 i out = 10ma, t j = 25 o c, 3.3v Q v in Q 12v 1.764 1.800 1.836 v ap1116-2.5 i out = 10ma, t j = 25 o c, 4v Q v in Q 12v 2.450 2.500 2.550 v ap1116-3.3 i out = 10ma, t j = 25 o c, 4.8v Q v in Q 12v 3.235 3.300 3.365 v output voltage ap1116-5.0 i out = 10ma, t j = 25 o c, 6.5v Q v in Q 12v 4.900 5.000 5.100 v line regulation ap1116-xxx i o =10ma,v out +1.5v ap1116 0.5a low dropout positive adju stable or fixe d-mode regulator (preliminary) anachip corp. www.anachip.com.tw rev. 0.2 feb.10, 2004 4/5 typical performance characteristics temperature ( o c) percent change in output voltage vs temperature output voltage change (%) -50 -25 0 25 50 75 100 125 150 - 2 -1.5 - 1 -0.5 0 0. 5 1 1.5 2 input voltage (v) line regulation output voltage deviation (%) 0 0.2 0.4 0.6 0.8 1 24 6 8 10 12 time (us) line transient response output voltage deviation (mv) input voltage (v) -40 -20 0 20 40 5.5 6.5 7.5 cin=1uf cout=10uf tantalum 0 20 40 60 80 100 120 140 160 180 200 time (us) load transient response load current (a) output voltage deviation (mv) 010 20 30 40 50 60 70 80 90 100 -1 0 1 2 -20 -10 0 10 20 30 c in = 1uf c out = 10 uf tantalum preload = 100ma output current (ma) dropout voltage vs output current dropout voltage (v) 0 0. 2 0. 4 0. 6 0. 8 1. 0 1. 2 1. 4 1. 6 1. 8 2. 0 0 100 200 300 400 tj = 125 o c tj = 25 o c temperature ( o c) load regulation vs temperature output voltage deviation (%) -25 0 25 50 75 100 125 - 1 -0.80 -0.40 -0.20 0 0.20 i load=500ma 500
ap1116 0.5a low dropout positive adju stable or fixe d-mode regulator (preliminary) anachip corp. www.anachip.com.tw rev. 0.2 feb.10, 2004 5/5 marking information 1 3 2 date code month: a~l year: 0~9 identification code ( see the table ) blank: normal l: lead free packag e xx xx x sot89-3 identification code output version je ap1116-adj jf ap1116-1.5v jg ap1116-1.8v jh ap1116-2.5v ji ap1116-3.3v jj ap1116-5.0v package dimension c 5 0 (2x) l he e d1 e1 e a d b1 bb 8 0 (2x) dimensions in millimeters dimensions in inches symbol min. nom. max. min. nom. max. a 1.40 1.50 1.60 0. 055 0.059 0.063 b 0.36 0.42 0.48 0. 014 0.016 0.018 b1 0.41 0.47 0.53 0. 016 0.043 0.051 c 0.35 0.39 0.43 0.014 0.015 0.017 d 4.40 4.50 4.60 0. 173 0.177 0.181 d1 1.40 1.60 1.75 0.055 0.062 0.069 e 2.90 3.00 3.10 0. 114 0.118 0.122 e1 1.45 1.50 1.55 0. 057 0.059 0.061 e 2.40 2.50 2.60 0. 094 0.098 0.102 he 3.94 - 4.25 0.155 - 0.167 l 0.80 - 1.20 0.031 - 0.047
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