ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator 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.1.1 aug.27, 2004 1/7 ? features ? 1.3v maximum dropout at full load current ? fast transient response ? output current limiting ? built-in ther mal shutdown ? packages: sot89, to92 ? good noise rejection ? 3-terminal adjustable or fixed 1.5v / 1.8v / 2.5v / 2.8v / 3.0v / 3.3v / 3.5v / 5.0v ? applications ? pc peripheral ? communication ? general description ap1115 is a low dropout positive adjustable or fixed-mode regulator with minimum of 0.6a 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. ap1115 is also well suited for other applications such as vga cards. ap1115 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. ? connection diagram (top view) adj (gnd) ap1115b-3 pin sot89 vout vin tab is pin2 adj (gnd) ap1115a-3 pin sot89 vout vin tab is pin2 1 2 3 1 2 3 ap1115a-3 pin to92 1 vin 2 gnd 3 vout ap1115b-3 pin to92 1 gnd 2 vin 3 vout ? pin descriptions name i/o function adj (gnd) i a resistor divider from this pin to the vout pin and ground sets the output voltage. (ground only for fixed-mode) vout o the output of the regulator. a minimum of 10uf capacitor (0.15 ? esr 20 ? ) must be connected from this pin to ground to insure stability. vin i the input pin of regulator. typically a large storage capacitor (0.15 ? esr 20 ? ) 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. this anachip version datasheet is replaced with diodes inc. datasheet ap1115
ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator 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.1.1 aug.27, 2004 2/7 ? ordering information ap 1115 x x x x x x low dropout regulator package vout y : sot89-3l v : to92-3l blank : adj 15 : 1.5v 18 : 1.8v 25 : 2.5v 28 : 2.8v 30 : 3.0v 33 : 3.3v 35 : 3.5v 50 : 5.0v packing blank : tube a : taping lead free blank : normal l : lead free package pin version a: pin1:vout 2:adj(gnd) 3:vin b: pin1:adj(gnd) 2:vin 3:vout ? typical circuit c2 100uf 5v 3.3v/0.5a vin vout gnd c1 100uf ap1115a (5v/3.3v fixed output) ) 1 2 ref o r r (1 v v + ? = note: vin vout gnd ap1115b (5v/3.3v fixed output) 5v c1 100uf c2 100uf 3.3v/0.5a r1 121o r2 121o c2 100uf 5v 2.5v/0.5a vin vout adj c1 100uf v o ap1115a (5v/2.5v adj output) r2 121o r1 121o c2 100uf 5v 2.5v/0.5a vin vout adj c1 100uf v o ap1115b (5v/2.5v adj output) this anachip version datasheet is replaced with diodes inc. datasheet ap1115
ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator anachip corp. www.anachip.com.tw rev.1.1 aug.27, 2004 3/7 ? 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 ? electrical characteristics (under operating conditions) parameter conditions min typ max unit reference voltage ap1115-adj t j =25 o c,(v in - out )=1.5v i o =10ma 1.225 1.250 1.275 v ap1115-1.5 i out = 10ma, t j = 25 o c, 3v Q v in Q 12v 1.470 1.500 1.530 v ap1115-1.8 i out = 10ma, t j = 25 o c, 3.3v Q v in Q 12v 1.764 1.800 1.836 v ap1115-2.5 i out = 10ma, t j = 25 o c, 4v Q v in Q 12v 2.450 2.500 2.550 v ap1115-2.8 i out = 10ma, t j = 25 o c, 4.3v Q v in Q 12v 2.744 2.800 2.856 v ap1115-3.0 i out = 10ma, t j = 25 o c, 4.5v Q v in Q 12v 2.940 3.000 3.060 v ap1115-3.3 i out = 10ma, t j = 25 o c, 4.8v Q v in Q 12v 3.235 3.300 3.365 v ap1115-3.5 i out = 10ma, t j = 25 o c, 5v Q v in Q 12v 3.430 3.500 3.570 v output voltage ap1115-5.0 i out = 10ma, t j = 25 o c, 6.5v Q v in Q 12v 4.900 5.000 5.100 v line regulation ap1115-xxx i o =10ma,v out +1.5v ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator anachip corp. www.anachip.com.tw rev.1.1 aug.27, 2004 4/7 ? electrical characteristics (continued) (under operating conditions) f=120hz,c out =25uf tantalum, i out =0.6a ripple rejection ap1115-xxx v in =v out +3v - 60 70 db temperature stability i o =10ma - 0.6 - % sot89 - 300 - ja thermal resistance junction-to-ambient (no heat sink; no air flow) to92 - 160 - o c/w jc sot89: control circuitry/power transistor thermal resistance junction-to-case - 100 - o c/w note1: see thermal regulation specifications for changes in output voltage due to heating effects. line and load regulation ar e measured at a constant junction temperature by low duty cycle pulse testing. load regulation is measured at the output lead = 1/18? from the package. note2: line and load regulation are guaranteed up to the maximum power dissipation of 5w. power dissipation is determined by th e input/output differential and the output current. guaranteed maximum power dissipation will not be available over the full input/output range. note3: quiescent current is defined as the minimum output current required to maintain regulation. at 12v input/output differen tial the device is guaranteed to regulate if the output current is greater than 10ma. ? 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 part number output version ap1115a ap1115b adj jo ju 1.5v jp jv 1.8v jq jw 2.5v jr jx 2.8v jc jd 3.0v jm jn 3.3v js jy 3.5v jk jl 5.0v jt jz year: "1"=2001 "2"=2002 xth week: 01~52 1115 internal code: blank or a~z part number: ap1115 output voltage a: a version b: b version blank: adj 15:1.5v 18:1.8v 25:2.5v 28:2.8v 30:3.0v 33:3.3v 35:3.5v 50:5.0v x xx y ww x x (top view) to92 123 blank: normal l: lead free package this anachip version datasheet is replaced with diodes inc. datasheet ap1115
ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator anachip corp. www.anachip.com.tw rev.1.1 aug.27, 2004 5/7 ? 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=600ma 500 600 this anachip version datasheet is replaced with diodes inc. datasheet ap1115
ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator anachip corp. www.anachip.com.tw rev.1.1 aug.18, 2004 6/7 ? package information (1) package type: sot89-3l l he e d1 e1 e a d b1 bb 8 0 (2x) 1.7 c 0.4 0.9 2.7 1.3 1.9 5 0 (2x) land pattern recommendation (unit: mm) 1.5 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 2.35 2.48 2.60 0.093 0.098 0.102 he 3.94 - 4.25 0.155 - 0.167 l 0.80 - 1.20 0.031 - 0.047 this anachip version datasheet is replaced with diodes inc. datasheet ap1115
ap1115 0.6a low dropout posi tive adjustable or fixed-mode regulator anachip corp. www.anachip.com.tw rev.1.1 aug.27, 2004 7/7 (2) package type: to92-3l d b b 1 b e l e a 1 a dimensions in millimeters dimensions in inches symbol min. nom. max. min. nom. max. a 3.302 3.556 3.810 0.130 0.140 0.150 a1 1.016 - - 0.040 - - b 0.330 0.381 0.432 0.013 0.015 0.017 b1 0.406 0.457 0.506 0.016 0.018 0.020 d 4.445 4.572 4.699 0.175 0.180 0.185 e 4.445 4.572 4.699 0.175 0.180 0.185 l 13.00 - 15.50 0.512 - 0.610 e 1.150 1.270 1.390 0.045 0.050 0.055 this anachip version datasheet is replaced with diodes inc. datasheet ap1115
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