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ame, inc. 1 ame8550 voltage detector n functional block diagram l highly accurate: + 2% l low power consumption: typ 0.8 m a (v dd =1.5v) l detect voltage range: 1.6v to 6.0v in 0.1v increments l operating voltage range: 1.2v to 6.5v l detect voltage temperature characteristics: typ 100ppm/ o c l output configuration: n-channel open drain or cmos l ultra small package : sot-23 (150mw) sot-25 (150mw) sot-89 (500mw) sc-70 (100mw) l add an external capacitor to perform an m p reset. the ame8550 series are highly precise, low power con- sumption voltage detectors, manufactured using cmos and fuse trimming technologies. detect voltage is ex- tremely accurate with minimal temperature drift. both cmos and n channel open drain output configu- rations are available. l microprocessor reset circuitry l memory battery back-up circuits l power-on reset circuits l power failure detection l system battery life and charge voltage monitors n general description n features n applications (1) cmos output without delay (2) nch open drain output without delay (3) cmos output with delay (4) nch open drain output with delay v dd v out v ss bg vref v dd v out v ss bg vref v dd v out v ss cd v dd i bg vref v th =v ref i v out v ss cd v dd v dd bg vref v th =v ref
ame, inc. 2 voltage detector ame8550 n pin configuration ame8550aeetxxxx 1. v out 2. v ss 3. v dd ame8550aeevxxxx 1. v out 2. v dd 3. v ss 4. cd 5. nc sot-23 top view ame8550aeftxxxx 1. v out 2. v dd 3. v ss sot-89 top view sot-25 top view ame8550beevxxxx 1. v out 2. v dd 3. v ss 4. nc 5. cd 12 3 ame8550 n pin description 13 2 5 4 ame8550 sot-25 top view ame8550ceevxxxx 1. v out 2. v dd 3. v ss 4. nc 5. nc sot-25 top view 13 2 ame8550 13 2 5 4 ame8550 13 2 5 4 ame8550 12 3 ame8550 sc70-3 top view ame8550aeitxxxx 1. v ss 2. v out 3. v dd pin name pin description v dd supply voltage input v ss ground v out output nc no connection cd connect an external capacitor when delay function is needed l l l l l without delay time l l l l l with delay time
ame, inc. 3 ame8550 voltage detector n ordering information ame8550 x x x x x xxx x package type operating temperature pin out configuration number of pins detect voltage special feature output options l without delay time a 1. vout e: -40 o c to 85 o c e: sot-2x t: 3 a: cmos output without delay 190 : v=1.9v l: low profile (sot-23) 2. vss f: sot-89 v: 5 b: open-drain output without 200 : v=2.0v y: lead free 3. vdd delay 220 : v=2.2v & low profile 230 : v=2.3v z: lead free a 1. vout 240 : v=2.4v (sot-89) 2. vdd 250 : v=2.5v 3. vss 263 : v=2.63v 270 : v=2.7v a 1. vss 280 : v=2.8v ( sc70- 3) 2. vout 360 : v=3.6v 3. vdd 370 : v=3.7v 420 : v=4.2v c 1. vout 440 : v=4.4v (sot-25) 2. vdd 460 : v=4.6v 3. vss 4. nc 5. nc package type number of pins operating temperature range pin configuration output options special feature detect voltage
ame, inc. 4 voltage detector ame8550 ame8550 x x x x x xxx x package type operating temperature pin out configuration number of pins detect voltage special feature output options n ordering information l with delay time a 1. vout e: -40 o c to 85 o c e: sot-2x t: 3 c: cmos output with delay 190 : v=1.9v l: low profile ( sot-25) 2. vdd f: sot-89 v: 5 d: open-drain output with 200 : v=2.0v y: lead free 3. vss delay 220 : v=2.2v & low profile 4. cd 230 : v=2.3v z: lead free 5. nc 240 : v=2.4v 250 : v=2.5v b 1. vout 263 : v=2.63v 2. vdd 270 : v=2.7v 3. vss 280 : v=2.8v 4. nc 360 : v=3.6v 5. cd 370 : v=3.7v 420 : v=4.2v 440 : v=4.4v 460 : v=4.6v output options detect voltage special feature pin configuration operating temperature range package type number of pins
ame, inc. 5 ame8550 voltage detector n ordering information (contd.) part number marking output voltage package operating temp. range ame8550a eevc190 axoww 1.9v sot-25 -40 o c to +85 o c ame8550a eevc190l axoww 1.9v sot-25 -40 o c to +85 o c ame8550a eevc190z axoww 1.9v sot-25 -40 o c to +85 o c ame8550a eevc190y axoww 1.9v sot-25 -40 o c to +85 o c ame8550b eevc190 axpww 1.9v sot-25 -40 o c to +85 o c ame8550b eevc190l axpww 1.9v sot-25 -40 o c to +85 o c ame8550b eevc190z axpww 1.9v sot-25 -40 o c to +85 o c ame8550b eevc190y axpww 1.9v sot-25 -40 o c to +85 o c ame8550aeetb210 axqww 2.1v sot-23 -40 o c to +85 o c ame8550aeetb210l axqww 2.1v sot-23 -40 o c to +85 o c ame8550aeetb210z axqww 2.1v sot-23 -40 o c to +85 o c ame8550aeetb210y axqww 2.1v sot-23 -40 o c to +85 o c ame8550aeftb210 a8550a b210ww 2.1v sot-89 -40 o c to +85 o c ame8550aeftb210z a8550a b210ww 2.1v sot-89 -40 o c to +85 o c ame8550c eevb210 axrww 2.1v sot-25 -40 o c to +85 o c ame8550c eevb210l axrww 2.1v sot-25 -40 o c to +85 o c ame8550c eevb210z axrww 2.1v sot-25 -40 o c to +85 o c ame8550c eevb210y axrww 2.1v sot-25 -40 o c to +85 o c ame8550aeeta220 awhww 2.2v sot-23 -40 o c to +85 o c ame8550aeeta220l awhww 2.2v sot-23 -40 o c to +85 o c ame8550aeeta220z awhww 2.2v sot-23 -40 o c to +85 o c ame8550aeeta220y awhww 2.2v sot-23 -40 o c to +85 o c ame8550aefta220 a8550a a220ww 2.2v sot-89 -40 o c to +85 o c ame8550aefta220z a8550a a220ww 2.2v sot-89 -40 o c to +85 o c ame8550aeita220 axkw 2.2v sc70-3 -40 o c to +85 o c ame8550aeita220z axkw 2.2v sc70-3 -40 o c to +85 o c
ame, inc. 6 voltage detector ame8550 n ordering information (contd.) part number marking output voltage package operating temp. range ame8550aeetb240 axvww 2.4v sot-23 -40 o c to +85 o c ame8550aeetb240l axvww 2.4v sot-23 -40 o c to +85 o c ame8550aeetb240z axvww 2.4v sot-23 -40 o c to +85 o c ame8550aeetb240y axvww 2.4v sot-23 -40 o c to +85 o c ame8550aeftb240 a8550a b240ww 2.4v sot-89 -40 o c to +85 o c ame8550aeftb240z a8550a b240ww 2.4v sot-89 -40 o c to +85 o c ame8550c eevb240 axwww 2.4v sot-25 -40 o c to +85 o c ame8550c eevb240l axwww 2.4v sot-25 -40 o c to +85 o c ame8550c eevb240z axwww 2.4v sot-25 -40 o c to +85 o c ame8550c eevb240y axwww 2.4v sot-25 -40 o c to +85 o c ame8550a eevd240 axxww 2.4v sot-25 -40 o c to +85 o c ame8550a eevd240l axxww 2.4v sot-25 -40 o c to +85 o c ame8550a eevd240z axxww 2.4v sot-25 -40 o c to +85 o c ame8550a eevd240y axxww 2.4v sot-25 -40 o c to +85 o c ame8550b eevd240 axyww 2.4v sot-25 -40 o c to +85 o c ame8550b eevd240l axyww 2.4v sot-25 -40 o c to +85 o c ame8550b eevd240z axyww 2.4v sot-25 -40 o c to +85 o c ame8550b eevd240y axyww 2.4v sot-25 -40 o c to +85 o c ame8550aeetb250 axzww 2.5v sot-23 -40 o c to +85 o c ame8550aeetb250l axzww 2.5v sot-23 -40 o c to +85 o c ame8550aeetb250z axzww 2.5v sot-23 -40 o c to +85 o c ame8550aeetb250y axzww 2.5v sot-23 -40 o c to +85 o c ame8550aeftb250 a8550a b250ww 2.5v sot-89 -40 o c to +85 o c ame8550aeftb250z a8550a b250ww 2.5v sot-89 -40 o c to +85 o c note: ww represents the date code / w represents date code ( a thru z ) : 2 work weeks per character. * a line on top of the first letter represents lead free plating such as ame8550 please consult ame sales office or authorized rep./distributor for the availability of output voltage and package type .
ame, inc. 7 ame8550 voltage detector n ordering information (contd.) part number marking output voltage package operating temp. range ame8550ceevb250 ayaww 2.5v sot-25 -40 o c to +85 o c ame8550ceevb250l ayaww 2.5v sot-25 -40 o c to +85 o c ame8550ceevb250z ayaww 2.5v sot-25 -40 o c to +85 o c ame8550ceevb250y ayaww 2.5v sot-25 -40 o c to +85 o c ame8550aeevd260 ayvww 2.6v sot-25 -40 o c to +85 o c ame8550aeevd260l ayvww 2.6v sot-25 -40 o c to +85 o c ame8550aeevd260z ayvww 2.6v sot-25 -40 o c to +85 o c ame8550aeevd260y ayvww 2.6v sot-25 -40 o c to +85 o c ame8550beevd260 aywww 2.6v sot-25 -40 o c to +85 o c ame8550beevd260l aywww 2.6v sot-25 -40 o c to +85 o c ame8550beevd260z aywww 2.6v sot-25 -40 o c to +85 o c ame8550beevd260y aywww 2.6v sot-25 -40 o c to +85 o c ame8550aeeta270 awiww 2.7v sot-23 -40 o c to +85 o c ame8550aeeta270l awiww 2.7v sot-23 -40 o c to +85 o c ame8550aeeta270z awiww 2.7v sot-23 -40 o c to +85 o c ame8550aeeta270y awiww 2.7v sot-23 -40 o c to +85 o c ame8550aefta270 a8550a a270ww 2.7v sot-89 -40 o c to +85 o c ame8550aefta270z a8550a a270ww 2.7v sot-89 -40 o c to +85 o c ame8550aeita270 axnw 2.7v sc70-3 -40 o c to +85 o c ame8550aeita270z axnw 2.7v sc70-3 -40 o c to +85 o c ame8550aeetb270 awvww 2.7v sot-23 -40 o c to +85 o c ame8550aeetb270l awvww 2.7v sot-23 -40 o c to +85 o c ame8550aeetb270z awvww 2.7v sot-23 -40 o c to +85 o c ame8550aeetb270y awvww 2.7v sot-23 -40 o c to +85 o c ame8550aeftb270 a8550a b270ww 2.7v sot-89 -40 o c to +85 o c ame8550aeftb270z a8550a b270ww 2.7v sot-89 -40 o c to +85 o c
ame, inc. 8 voltage detector ame8550 n ordering information (contd.) part number marking output voltage package operating temp. range ame8550ceevb270 aysww 2.7v sot-25 -40 o c to +85 o c ame8550ceevb270l aysww 2.7v sot-25 -40 o c to +85 o c ame8550ceevb270z aysww 2.7v sot-25 -40 o c to +85 o c ame8550ceevb270y aysww 2.7v sot-25 -40 o c to +85 o c ame8550aeevd270 ayxww 2.7v sot-25 -40 o c to +85 o c ame8550aeevd270l ayxww 2.7v sot-25 -40 o c to +85 o c ame8550aeevd270z ayxww 2.7v sot-25 -40 o c to +85 o c ame8550aeevd270y ayxww 2.7v sot-25 -40 o c to +85 o c ame8550beevd270 ayyww 2.7v sot-25 -40 o c to +85 o c ame8550beevd270l ayyww 2.7v sot-25 -40 o c to +85 o c ame8550beevd270z ayyww 2.7v sot-25 -40 o c to +85 o c ame8550beevd270y ayyww 2.7v sot-25 -40 o c to +85 o c ame8550aeetb280 aybww 2.8v sot-23 -40 o c to +85 o c ame8550aeetb280l aybww 2.8v sot-23 -40 o c to +85 o c ame8550aeetb280z aybww 2.8v sot-23 -40 o c to +85 o c ame8550aeetb280y aybww 2.8v sot-23 -40 o c to +85 o c ame8550aeftb280 a8550a b280ww 2.8v sot-89 -40 o c to +85 o c ame8550aeftb280z a8550a b280ww 2.8v sot-89 -40 o c to +85 o c ame8550ceevb280 aycww 2.8v sot-25 -40 o c to +85 o c ame8550ceevb280l aycww 2.8v sot-25 -40 o c to +85 o c ame8550ceevb280z aycww 2.8v sot-25 -40 o c to +85 o c ame8550ceevb280y aycww 2.8v sot-25 -40 o c to +85 o c ame8550aeevc290 aydww 2.9v sot-25 -40 o c to +85 o c ame8550aeevc290l aydww 2.9v sot-25 -40 o c to +85 o c ame8550aeevc290z aydww 2.9v sot-25 -40 o c to +85 o c ame8550aeevc290y aydww 2.9v sot-25 -40 o c to +85 o c
ame, inc. 9 ame8550 voltage detector n ordering information (contd.) part number marking output voltage package operating temp. range ame8550beevc290 ayeww 2.9v sot-25 -40 o c to +85 o c ame8550beevc290l ayeww 2.9v sot-25 -40 o c to +85 o c ame8550beevc290z ayeww 2.9v sot-25 -40 o c to +85 o c ame8550beevc290y ayeww 2.9v sot-25 -40 o c to +85 o c ame8550aeeta300 ayfww 3.0v sot-23 -40 o c to +85 o c AME8550AEETA300L ayfww 3.0v sot-23 -40 o c to +85 o c ame8550aeeta300z ayfww 3.0v sot-23 -40 o c to +85 o c ame8550aeeta300y ayfww 3.0v sot-23 -40 o c to +85 o c ame8550aefta300 a8550a a300ww 3.0v sot-89 -40 o c to +85 o c ame8550aefta300z a8550a a300ww 3.0v sot-89 -40 o c to +85 o c ame8550ceeva300 aygww 3.0v sot-25 -40 o c to +85 o c ame8550ceeva300l aygww 3.0v sot-25 -40 o c to +85 o c ame8550ceeva300z aygww 3.0v sot-25 -40 o c to +85 o c ame8550ceeva300y aygww 3.0v sot-25 -40 o c to +85 o c ame8550aeetb340 ayhww 3.4v sot-23 -40 o c to +85 o c ame8550aeetb340l ayhww 3.4v sot-23 -40 o c to +85 o c ame8550aeetb340z ayhww 3.4v sot-23 -40 o c to +85 o c ame8550aeetb340y ayhww 3.4v sot-23 -40 o c to +85 o c ame8550aeftb340 a8550a b340ww 3.4v sot-89 -40 o c to +85 o c ame8550aeftb340z a8550a b340ww 3.4v sot-89 -40 o c to +85 o c ame8550ceevb340 ayiww 3.4v sot-25 -40 o c to +85 o c ame8550ceevb340l ayiww 3.4v sot-25 -40 o c to +85 o c ame8550ceevb340z ayiww 3.4v sot-25 -40 o c to +85 o c ame8550ceevb340y ayiww 3.4v sot-25 -40 o c to +85 o c
ame, inc. 10 voltage detector ame8550 n ordering information (contd.) part number marking output voltage package operating temp. range ame8550aeevd360 ayjww 3.6v sot-25 -40 o c to +85 o c ame8550aeevd360l ayjww 3.6v sot-25 -40 o c to +85 o c ame8550aeevd360z ayjww 3.6v sot-25 -40 o c to +85 o c ame8550aeevd360y ayjww 3.6v sot-25 -40 o c to +85 o c ame8550beevd360 aykww 3.6v sot-25 -40 o c to +85 o c ame8550beevd360l aykww 3.6v sot-25 -40 o c to +85 o c ame8550beevd360z aykww 3.6v sot-25 -40 o c to +85 o c ame8550beevd360y aykww 3.6v sot-25 -40 o c to +85 o c ame8550aeetb440 aylww 4.4v sot-23 -40 o c to +85 o c ame8550aeetb440l aylww 4.4v sot-23 -40 o c to +85 o c ame8550aeetb440z aylww 4.4v sot-23 -40 o c to +85 o c ame8550aeetb440y aylww 4.4v sot-23 -40 o c to +85 o c ame8550aeftb440 a8550a b440ww 4.4v sot-89 -40 o c to +85 o c ame8550aeftb440z a8550a b440ww 4.4v sot-89 -40 o c to +85 o c ame8550ceevb440 aymww 4.4v sot-25 -40 o c to +85 o c ame8550ceevb440l aymww 4.4v sot-25 -40 o c to +85 o c ame8550ceevb440z aymww 4.4v sot-25 -40 o c to +85 o c ame8550ceevb440y aymww 4.4v sot-25 -40 o c to +85 o c ame8550aeevc460 aynww 4.6v sot-25 -40 o c to +85 o c ame8550aeevc460l aynww 4.6v sot-25 -40 o c to +85 o c ame8550aeevc460z aynww 4.6v sot-25 -40 o c to +85 o c ame8550aeevc460y aynww 4.6v sot-25 -40 o c to +85 o c ame8550beevc460 ayoww 4.6v sot-25 -40 o c to +85 o c ame8550beevc460l ayoww 4.6v sot-25 -40 o c to +85 o c ame8550beevc460z ayoww 4.6v sot-25 -40 o c to +85 o c ame8550beevc460y ayoww 4.6v sot-25 -40 o c to +85 o c
ame, inc. 11 ame8550 voltage detector n absolute maximum ratings caution: stress above the listed absolute rating may cause permanent damage to the device symbol maximum unit v dd 7v i out 50 ma cmos vss -0.3 to v dd +0.3 nch open drain vss -0.3 to 7 sot-23 150 sot-25 150 sot-89 500 sc-70 100 topr -40 to +85 t stg - 40 to +125 v parameter output voltage input voltage v out output current o c operating ambient temperature range storage temperature range power dissipation mw
ame, inc. 12 voltage detector ame8550 parameter symbol min typ max units detect voltage v df v df x0.98 v df v df x1.02 v hysteresis range v hys / v df 28% 1.5 < v df < 2.0 0.9 2.7 2.0 <= v df < 3.0 1.0 3.0 3.0 <= v df < 4.0 1.1 3.2 4.0 <= v df <= 5.0 1.2 3.6 5.0 < v df <= 6.0 2 4.0 operating voltage v dd 1.2 6.5 v 1.0 2.2 3.0 7.7 5.0 10.1 6.0 11.5 7.0 13.0 temperature characteristics d v df d topr.v df 100 ppm/ o c propagation time (v dr --> v out inversion) tdly 0.2 ms nch v ds =0.5v i ss v df (t)=1.6v to 6.0v v dd =v df +0.5v test condition output current i out v dd =1.0v supply current -2.0 ma m a -40 o c<= topr<= 85 o c v dd =2.0v v dd =3.0v v dd =4.0v v dd =5.0v pch v ds =2.1v v dd =7v (with cmos output) -10.0 n electrical specifications ta = 25 o c, v df (t)=1.6 to 6.0v + 2% note: v df (t) : established detect voltage value release voltage : v dr = v df + v hys
ame, inc. 13 ame8550 voltage detector 1. when input voltage (v dd ) rises above detect voltage (v df ), output voltage (v out ) will be equal to v dd . ( a condition of high impedance exists with nch open drain output configurations. ) 2. when input voltage (v dd ) falls below detect voltage (v df ), output voltage (v out ) will be equal to the ground voltage (v ss ) level. 3. when input voltage (v dd ) falls to a level below that of the minimum operating voltage (v min ), output will become unstable. in this condition, v dd will equal the pulled-up output ( should output be pulled-up.) 4. when input voltage (v dd ) rises above the ground volt- age (v ss ) level, output will be unstable at levels below the minimum operating voltage (v min ). between the v min and detect release voltage (v dr ) levels, theground voltage (v ss ) level will be maintained. 5. when input voltage (v dd ) rises above detect release voltage (v dr ), output voltage (v out ) will be equal to v dd after t d delay time. q = v x c = i x t d t= v=v ref for example, t d = ( a condition of high impedance exists with nch open drain output configurations. ) 6. the difference between v dr and v df represents the hysteresis range. n functional description (cmos output without delay) 1. when input voltage (v dd ) rises above detect voltage (v df ), output voltage (v out ) will be equal to v dd . ( a condition of high impedance exists with nch open drain output configurations. ) 2. when input voltage (v dd ) falls below detect voltage (v df ), output voltage (v out ) will be equal to the ground voltage (v ss ) level. 3. when input voltage (v dd ) falls to a level below that of the minimum operating voltage (v min ), output will become unstable. in this condition, v dd will equal the pulled-up output ( should output be pulled-up.) 4. when input voltage (v dd ) rises above the ground volt- age (v ss ) level, output will be unstable at levels below the minimum operating voltage (v min ). between the v min and detect release voltage (v dr ) levels, theground voltage (v ss ) level will be maintained. 5. when input voltage (v dd ) rises above detect release voltage (v dr ), output voltage (v out ) will be equal to v dd . ( a condition of high impedance exists with nch open drain output configurations. ) 6. the difference between v dr and v df represents the hysteresis range. n timing chart n functional description (cmos output with delay) n timing chart detect voltage (v df ) min. operating voltage (v min ) output voltage (v out ) ground voltage (v ss ) ground voltage (v ss ) detect release voltage (v dr ) input voltage (v dd ) 12 3 4 5 6 t d detect voltage (v df ) min. operating voltage (v min ) output voltage (v out ) ground voltage (v ss ) ground voltage (v ss ) detect release voltage (v dr ) input voltage (v dd ) 12 3 4 5 6 vxc i v ref * 1nf 75na
ame, inc. 14 voltage detector ame8550 n notes on use 1. when a resistor is connected between the v dd pin and the input with cmos output configurations, oscillation may occur as a result of voltage drops at r in if load cur- rent (i out ) exists. ( refer to 5 - (1) below ) 2. when a resistor is connected between the v dd pin and the input with cmos output configurations, irrespective of nch output configurations, oscillation may occur as a result of through current at the time of voltage release even if load current (i out ) does not exist.( refer to 5 - (1)(2) below ) 3. with a resistor connected between the v dd pin and the input, detect and release voltage will rise as a result of the ics supply current flowing through the v dd pin. 4. in order to stabilise the ics operations, please en- sure that v dd pins input frequencys rise and fall times are more than several m sec / v. 5. oscillation (1) output current oscillation with the cmos output configuration when the voltage applied at in rises, release op- erations commence and the detectors output volt- age increases. load current (i out ) will flow at r l . because a voltage drop ( r in x i out ) is produced at the r in resistor, located between the input (in) and the v dd pin, the load current will flow via the ics v dd pin. the voltage drop will also lead to a fall in the voltage level at the v dd pin. when the v dd pin voltage level falls below the detect voltage level, detect operations will commence. following detect operations, load current flow will cease and since voltage drop at r in will disappear, the voltage level at the v dd pin will rise and release operations will begin over again. oscillation may occur with this release - de- tect - release repetition. further, this condition will also appear via means of a similar mechanism during detect operations. (2) oscillation as a result of through current since the ame8550 series are cmos ic s , through current will flow when the ics internal cir- cuit switching operates(during release and detect operations ).consequently, oscillation is liable to occur as a result of drops in voltage at the through currents resistor (r in ) during release voltage op- erations. ( refer to diagram 2 ) since hysteresis exists during detect operations, oscillation is unlikely to occur. diagram1 diagram2 v ss v out v dd i out r in r in xi out voltage drop ame8550 input v ss v out v dd r in r in xi ss * voltage drop ame8550 iss* (includes through current) input
ame, inc. 15 ame8550 voltage detector ame8550-1.9v ame8550-2.7v 0 20 40 60 80 100 120 140 160 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 vds (v) nmos sinking current (ua) vdd=0.7v vdd=0.8v 0 50 100 150 200 250 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 vds (v) nmos sinking current (ua) 0 2 4 6 8 10 12 14 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 vds (v) nmos sinking current (ma) ame8550-1.9v ame8550aeeta270 vin=1.0v vin=1.5v vin=2.0v vin=2.5v 0 5 10 15 20 25 30 35 40 0.00 0.50 1.00 1.50 2.00 2.50 3.00 vds (v) nmos sinking current (ma) ame8550-4.6v vdd=0.7v vdd=0.8v 0 20 40 60 80 100 120 140 160 180 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 vds (v) nmos sinking current (ua) ame8550-4.6v vin=1.5v vin=2.0v vin=2.5v vin=3.0v vin=3.5v vin=4.0v 0 5 10 15 20 25 30 35 40 45 50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 vds (v) nmos sinking current (ma)
ame, inc. 16 voltage detector ame8550 ame8550aeeta270 vds=0.5v vds=1.0v vds=1.5v vds=2.1v 0 2 4 6 8 10 12 14 16 0 . 0 0. 5 1. 0 1.5 2.0 2. 5 3.0 3 .5 4. 0 4. 5 5 .0 5.5 6.0 input voltage (v) pmos sourcing current (ma) ame8550-4.6v ame8550-4.6v 0 1 2 3 4 5 6 7 8 9 10 012345 input voltage (v) nmos sinking current (ma) vds=0.5v vds=1.0v vds=1.5v vds=2.1v 0 2 4 6 8 10 12 14 16 0. 0 0 . 4 0. 8 1.2 1 . 6 2.0 2 .4 2.8 3. 2 3 . 6 4.0 4. 4 4.8 5.2 5.6 6.0 input voltage (v) pmos sourcing current (ma) vds=0.5v vds=1.0v vds=1.5v vds=2.1v 0 2 4 6 8 10 12 14 16 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 input voltage (v) pmos sourcing current (ma) ame8550-2.7v 0 1 2 3 4 5 6 7 8 9 0.0 0.5 1.0 1.5 2.0 2.5 3.0 input voltage (v) nmos sinking current (ma) 0 1 2 3 4 5 6 7 8 9 0.0 0.5 1.0 1.5 2.0 input voltage (v) nmos sinking current (ma) ame8550-1.9v ame8550-1.9v
ame, inc. 17 ame8550 voltage detector supply current vs. input voltage (2.7v) output voltage vs. input voltage (2.2v) input voltage (v) supply current (ua) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 012345 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.5 1 1.5 2 2.5 3 input voltage (v) output voltage (v) v in up v in down output voltage vs. input voltage (2.7v) input voltage (v) output voltage (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.5 1 1.5 2 2.5 3 v in up v in down
ame, inc. 18 voltage detector ame8550 n package dimension sot-23 min max min max a 1.00 1.40 0.0394 0.0551 a 1 0.00 0.15 0.0000 0.0059 b 0.35 0.50 0.0138 0.0197 c 0.09 0.25 0.0035 0.0098 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.40 3.00 0.09449 0.11811 l q q q q 1 0 o 10 o 0 o 10 o symbols millimeters inches 1.90 bsc 0.0748 bsc 0.35bsc 0.0138bsc b c 1 c d h e e l a a1 top view side view front view tsot-23 min max min max a+a 1 0.80 1.30 0.0315 0.0512 b 0.35 0.50 0.0138 0.0197 c 0.08 0.25 0.0031 0.0098 d 2.70 3.10 0.1063 0.1220 e 1.20 1.80 0.0472 0.0709 e h 2.40 3.00 0.09449 0.11811 l q q q q 1 0 o 10 o 0 o 10 o 1.90 bsc 0.0748 bsc 0.35bsc 0.0138bsc symbols millimeters inches b c 1 c d h e e l a a1 top view side view front view
ame, inc. 19 ame8550 voltage detector sot-25 n package dimension l top view side view front view c 1 d s1 e e h a1 b a min max min max a a 1 0.00 0.15 0.0000 0.0059 b 0.30 0.55 0.0118 0.0217 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.60 3.00 0.10236 0.11811 l q q q q 1 0 o 10 o 0 o 10 o s 1 0.37bsc 0.0146bsc 0.95bsc 0.0374bsc 1.90 bsc 0.07480 bsc symbols millimeters inches 1.20ref 0.0472ref min max min max a+a 1 0.90 1.25 0.0354 0.0492 b 0.30 0.50 0.0118 0.0197 c 0.09 0.25 0.0035 0.0098 d 2.70 3.10 0.1063 0.1220 e 1.40 1.80 0.0551 0.0709 e h 2.40 3.00 0.09449 0.11811 l q q q q 1 0 o 10 o 0 o 10 o s 1 1.90 bsc 0.07480 bsc symbols millimeters inches 0.35bsc 0.0138bsc 0.95bsc 0.0374bsc l top view side view front view c 1 d s1 e e h a1 b a tsot-25
ame, inc. 20 voltage detector ame8550 n package dimension sot-89 min max min max a 1.39 1.60 0.05472 0.06299 a 1 c 0.35 0.44 0.01378 0.01732 d 4.39 4.60 0.17283 0.1811 d 1 1.35 1.83 0.05315 0.07205 e 2.28 3.60 0.08976 0.14173 e h s1 3.00ref 0.70ref 1.50ref 0.1181ref 0.0276ref 0.0590ref 0.8ref 0.0315ref symbols millimeters inches a h a1 top view side view front view d d1 e e c polish polish matte finish s1
life support policy: these products of ame, inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of ame, inc. ame, inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. ? ame, inc. , july 2004 document: 2051-ds8550-f corporate headquarter u.s.a (subsidiary) ame, inc. analog microelectronics, inc. 2f, 302 rui-guang road, nei-hu district 3100 de la cruz blvd., suite 201 taipei 114, taiwan, r.o.c. santa clara, ca. 95054-2046 tel: 886 2 2627-8687 tel : (408) 988-2388 fax: 886 2 2659-2989 fax: (408) 988-2489 www.ame.com.tw e-mail: sales@ame.com.tw

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