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ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 1 - description features the a6700 series are highly precise, low noise, positive voltage ldo regulators manufactured using cmos processes. the a6700 series achieves high ripple rejection and low dropout and consists of a standard voltage source, an error co rrection, current limiter and a phase compensation circuit plus a driver transistor. output voltage is selectable in 100mv increments within a range of 1. 0 v ~ 5.0v. the a6700 series is also compatible with low esr ceramic capacitors which give added outp ut stability. this stability can be maintained even during load fluctuations due to the excellent transient response of the a6700 series. the ce function enables the output to be turned off, r esulting in greatly reduced power consumption. the a 6700 is av ailable in sot - 25 a nd sot 89 - 5 package s . ? output voltage range 1. 0 v to 5.0v (selectable in 100mv steps) ? highly accurate 2% ? dropout voltage 50mv @ 100ma (3.0v type) ? high ripple rejection 60db (1 khz) ? low power consumption 30 a (typ.) ? maximum output current : more than 700ma (v in R v out + 1v) ? standby current less than 0.1a ? internal protector : current limiter ? available i n sot - 25 and s ot89 - 5 package s . application ? cd- roms cd- r/rw drive ? dvd drive ? hdd drive ? cameras, video camer as ? portable av equipment ? battery powered equipment t ypical a pplication order i n g information caution: the above connection diagram and constant will not guarantee successful operation. perform thorough evaluation using the actual applic ation to set the constant. package type part number sot - 25 spq: 3,000pcs/reel e5 a 6700 e5 r - xx a 6700 e5 vr - xx sot 89 - 5 spq: 1 ,000pcs/reel k5 a 6700k5r - xx a 6700k5vr - xx note xx: output voltage, 18 = 1.8 v, 25= 2.5 v, 28 = 2.8 v, 33=3.3v, 5 0=5 .0 v v: halogen free package r: tape & reel ait provides all rohs products
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 2 - pin description top view top view pin # symbol function sot - 25 sot 89 - 5 1 4 v in supply power 2 2 v ss ground 3 1 ce enable pin 4 3 nc n o connection 5 5 v out voltage output
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 3 - absolute maximum ratings input voltage v in v ss - 0.3v v ss +8v v on/off v ss - 0.3v v in +0.3v v out , output voltage v ss - 0.3v v in +0.3v p d , power dissipation sot - 25 400mw sot 89- 5 500mw t opr , operating ambient temperature - 40c +85c t stg , storage temperature - 40c +125c stresses above may cause permanen t damage to the device. t hese are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the electrical characteristics is not implied. exposure to absolute m aximum rating conditions for exten ded periods may affect device reliability.
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 4 - electrical characteristics parameter symbol conditions min typ max u nit output voltage v out(e) v in =v out(s) +1.0 v, i out =30ma v out(s) 0.98 v out(s) v out(s) 1.02 v output current i out v in v out(s) +1.0v 700 - - ma dropout voltage v drop i out =30ma - 0.015 0.023 v i out =100ma - 0.050 0.075 line regulations v out1 v in v out v out(s) +0.5 v v in 7 v , i out =30 ma - 0.010 0.2 %/v load regula tion v out2 v in =v out(s) +1.0 v 1.0 ma i out 100 ma - 15 60 mv output voltage temperature characteristics v out t a v out v in =v out(s) +1.0 v, i out =10 ma - 40c t a 85c - 100 - ppm/ supply current i ss1 v in =v out(s) +1.0 v - 30 - ua input voltage v in 2.0 - 7.0 v ripple - rejection |psrr| v in =v out(s) +1.0 v , f=1 khz v rip =0.5 vrms, i out =50 ma - 60 - db short - circuit current i short v in =v out(s) +1.0 v,v ce = o n v out = gnd - 60 - ma current limiter i lim v out =3.3v v in =v out(s) +1.0 v, v ce =on - 1100 - ma ce high voltage v ceh 1. 3 - v in v ce low voltage v cel - - 0.25 v ce high current i ceh v in =v ce =v out(t) +1.0v - 0.1 - 0.1 ua ce low current i cel v in = v out(t) +1.0v, v ce =v ss - 0.1 - 0.1 ua
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 5 - block diagram
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 6 - typical performance characteristics v out =3v 1. output voltage vs. outpu t current c in =1 f(ceramic), c l =1 f(ceramic), v in =4.0 2. output voltage vs. input voltage (contd.) c in =1 f(ceramic), c l =1 f(ceramic),t a =25 3. dropout voltage vs. output current c in =1 f(ceramic), c l =1 f(ceramic) 4. supply cu rrent vs. supply voltage c in =1 f(ceramic), c l =1 f(ceramic) 5. output voltage vs. ambient temperature c in =1 f(ceramic), c l =1 f(ceramic), v in =4.0 6. ripple rejection rate v in =4vdc+0.5vp - pac, i out =30ma, t a =25 c in =1 f(ceram ic), c l =1 f(ceramic)
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 7 - 7. transient response input transient response i out =30ma, t r =t f =5 sec, c l =1 f(ceramic) t a =25 load transient response v in =4.0, t r =t f =5 sec, c in =1 f(ceramic), c l =1 f(ceramic), t a =25
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 8 - test circuits 1. 2. application conditions input capacitor (c in ): 1.0f or more output capacitor (c l ): 1.0f or more (tantalum capacitor) caution a general series regulator may oscillate, depending on the external components selected. check that no oscillation occurs with the application using the above capacitor.
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 9 - package information dimension in sot - 25 (unit: mm) symbol millimeters inches min max min max a 1.050 1. 250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950(bsc) 0.037(bsc) e1 1.800 2.000 0.071 0 .079 l 0.300 0.600 0.012 0.024 0 8 0 8
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 10 - dimension in s ot89 - 5 (unit: mm) symbol millimeters inches min max min max a 1.400 1.600 0.055 0.063 b 0.320 0.520 0.013 0.020 b1 0.360 0.560 0.0 14 0.022 c 0.350 0.440 0.01 4 0.017 d 4.400 4.600 0. 17 3 0.181 d1 1.400 1.800 0. 055 0.071 e 2.300 2.600 0.0 91 0.102 e1 3.940 4.250 0. 155 0.167 e 1.500 typ. 0.0 60 typ. e1 2.900 3.100 0. 114 0.122 l 0.900 1.100 0.035 0.043
ait semiconductor inc. www.ait - ic.com a 6700 low dropout voltage regulator 700ma cmos low noise with enable pin rev1. 4 - may 2009 released, jun 201 7 updated - - 11 - important notice ait semiconductor inc. (ait) reserves the right to make changes to any its product, specifications, to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information being relied on is current. ait semiconductor inc. 's integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use in life support applications, devices or systems or other critical applications. use of ait products in such applications is understood to be fully at the risk of the customer. as used herein may involve potential risks of death, personal injury, or serv e r property, or environmental damage. in order to minimize risks associated with the customer's applicatio ns, the customer should provide adequate design and operating safeguards. ait semiconductor inc . assumes to no liability to customer product design or application support. ait warrants the performance of its products of the specifications applicable at the time of sale.

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