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1/19 xc61c etr0201_004 general description the xc61c series are highly precise, low power consumption voltage detec tors, manufactured using cmos and laser trimming technologies. detect voltage is extremely accurate with minimal temperature drift. both cmos and n-channel open drain output configurations are available. a pplications microprocessor reset circuitry memory battery back-up circuits power-on reset circuits power failure detection system battery life and charge voltage monitors typical performance characteristics features highly accurate : 2% (low voltage vd: 0.8v~1.5v) (standard voltage vd: 1.6v~6.0v) 1% (standard voltage vd: 2.6v~5.0v) low power consumption : 0.7 a (typ.) [v in =1.5v] detect voltage range :0.8v ~ 6.0v in 100mv increments operating voltage range :0.7v ~ 6.0v (low voltage) 0.7v 10.0v (standard voltage) detect voltage temperature characteristics : 100ppm/ (typ.) @ta=25 o c output configuration : n-channel open drain or cmos ultra small packages : ssot-24 (150mw) sot-23 (250mw) sot-25 (250mw) sot-89 (500mw) to-92 (300mw) usp-6b (100mw) usp-6c (100mw) usp-4 (120mw) cmos highly accurate: 1% (v df =2.6v~5.0v) 2% (v df =0.8v~6.0v) low power consumption: 0.7 a (v in =1.5v) typical application circuits
2/19 xc61c series 1 v ss 2 nc 3 v out nc 6 v in 5 nc 4 pin number ssot-24 sot-23 sot-25 sot-89 to-92 (t) to-92 (l) usp-6b usp-6c usp-4 pin name function 2 3 2 2 2 1 5 5 4 v in supply voltage tit 4 2 3 3 3 2 1 1 2 v ss ground 1 1 1 1 1 3 3 3 1 v out output 3 - 4, 5 - - - 2,4,6 2,4,6 3 nc no connection designator description symbol description c : cmos output output configuration n : n-ch open drain output : e.g.0.9v 0, 9 detect voltage 08 ~ 60 : e.g.1.5v 1, 5 output delay 0 : no delay 1 : within 1% detect accuracy 2 : within 2% n : ssot-24 (sc-82) m : sot-23 p : sot-89 s : sot-25 t : to-92 (standard) l : to-92 (custom pin configuration) d : usp-6b e : usp-6c package g : usp-4 r : embossed tape, standard feed l : embossed tape, reverse feed h : paper type (to-92) device orientation b : bag (to-92) pin configuration pin assignment product classification ordering information xc61c ?????? *please use the circui t without connecting the heat dissipation pad. if the pad needs to be connected to other pins, it should be connected to the v in pin. usp-6c (bottom view) 3 nc 4 v in v ss 2 v out 1 usp-4 bottom view sot-25 (top view)
3/19 xc61c series packaging information ssot-24 (sc-82) sot-23 sot-25
4/19 xc61c series sot-89 to-92 packaging information (continued)
5/19 xc61c series usp-6c packaging information (continued) usp-4 * soldering fillet surface is not formed because the sides of the pins are plated.
6/19 xc61c series mark configuration voltage (v) a cmos 0.x b cmos 1.x c cmos 2.x d cmos 3.x e cmos 4.x f cmos 5.x h cmos 6.x mark configuration voltage (v) k n-ch 0.x l n-ch 1.x m n-ch 2.x n n-ch 3.x p n-ch 4.x r n-ch 5.x s n-ch 6.x mark voltage (v) mark voltage (v) 0 x.0 5 x.5 1 x.1 6 x.6 2 x.2 7 x.7 3 x.3 8 x.8 4 x.4 9 x.9 mark delay time product series 3 no delay time xc61cxxx0xxx represents integer of detect voltage and cmos output (xc61cc series) marking rule ssot-24, sot-23, sot-25, sot-89, usp-4 12 3 4 12 3 123 n-channel o p en drain out p ut ( xc61cn series ) represents decimal number of detect voltage represents delay time (except for ssot-24) represents production lot number based on the internal standard. (g, i, j, o, q, w excepted) usp-4 (top view) 123 54 sot-25 ( top view )
7/19 xc61c series mark voltage (v) 3 3 3.3 5 0 5.0 mark output configuration c cmos n n-ch mark delay time 0 no delay mark detect voltage accuracy 1 within 1% (semi-custom) 2 within 2% mark production year 5 2005 6 2006 mark product series 1 c xc61cxxx0xdx mark output configuration product series c cmos xc61ccxx0xdx n n-ch xc61cnxx0xdx mark voltage (v) product series 3 3 3.3 xc61cx330xdx 5 0 5.0 xc61cx500xdx usp-6b, usp-6c marking rule (continued) represents a least significant digit of production year to-92 represents production lot number 0 to 9, a to z repeated. (g , i, j, o, q, w excepted) * no character inversion used. represents output configuration , represents detect voltage (ex.) represents delay time represents detect voltage accuracy , represents product series represents output configuration , represents detect voltage (ex.) represents production lot number 0 to 9, a to z repeated (g, i, j, o, q, w excepted) note: no character inversion used. usp-6c (top view) usp-6b (top view)
8/19 xc61c series *1: low voltage: v df(t) =0.8v~1.5v *2: standard voltage: v df(t) =1.6v~6.0v parameter symbol ratings units *1 9.0 input voltage *2 v in 12.0 v output current i out 50 ma cmos v ss -0.3 ~ v in +0.3 n-ch open drain output *1 v ss -0.3 ~ 9.0 output voltage n-ch open drain output *2 v out v ss -0.3 ~ 12.0 v ssot-24 150 sot-23 250 sot-25 250 sot-89 500 to-92 300 usp-6b 100 usp-6c 100 power dissipation usp-4 pd 120 mw operating temperat ure range topr -40 +85 o c storage temperature range tstg -40 +125 o c block diagrams a bsolute maximum ratings ta = 2 5 o c (1) cmos output (2) n-ch open drain output
9/19 xc61c series parameter symbol conditions min. typ. max. units circuits v df(t) =0.8v~1.5v *1 v df(t) =1.6v~6.0v *2 v df(t) x 0.98 v df(t) v df(t) x 1.02 v 1 detect voltage v df v df(t) =2.6v~5.0v *2 v df(t) x 0.99 v df(t) v df(t) x 1.01 v 1 hysteresis range v hys v df x 0.02 v df x 0.05 v df x 0.08 v 1 v in = 1.5v - 0.7 2.3 v in = 2.0v - 0.8 2.7 v in = 3.0v - 0.9 3.0 v in = 4.0v - 1.0 3.2 supply current i ss v in = 5.0v - 1.1 3.6 a 2 operating voltage *1 v df(t) = 0.8v to 1.5v 0.7 - 6.0 operating voltage *2 v in v df(t) = 1.6v to 6.0v 0.7 - 10.0 v 1 v in = 0.7v 0.10 0.80 - n-ch v ds = 0.5v v in = 1.0v 0.85 2.70 - 3 output current *1 cmos, p-ch v ds = 2.1v v in = 6.0v - -7.5 -1.5 4 v in = 1.0v 1.0 2.2 - v in = 2.0v 3.0 7.7 - v in = 3.0v 5.0 10.1 - v in = 4.0v 6.0 11.5 - n-ch v ds = 0.5v v in = 5.0v 7.0 13.0 - 3 output current *2 i out cmos, p-ch v ds = 2.1v v in = 8.0v - -10.0 -2.0 ma 4 cmos - 10 - leak current i leak v in =6.0v, v out =6.0v*1 v in =10.0v, v out =10.0v*2 n-ch open drain - 10 100 na 3 temperature characteristics v df to p r ? v df -40 Q topr Q 85 - 100 - ppm/ - delay time (v dr v out inversion) tdly inverts from v dr to v out - 0.03 0.20 ms 5 electrical characteristics v df (t) = 0.8v to 6.0v 2% v df (t) = 2.6v to 5.0v 1% note: *1: low voltage: v df(t) =0.8v~1.5v *2: standard voltage: v df(t) =1.6v~6.0v v df (t) : setting detect voltage release voltage: v dr = v df + v hys ta = 2 5
10/19 xc61c series operational explanation (especially prepared for cmos output products) when input voltage (v in ) rises above detect voltage (v df ), output voltage (v out ) will be equal to v in . (a condition of high impedance exists wi th n-ch open drain output configurations.) when input voltage (v in ) falls below detect voltage (v df ), output voltage (v out ) will be equal to the ground voltage (v ss ) level. when input voltage (v in ) falls to a level below that of the minimum operating voltage (v min ), output will become unstable. in this condition, v in will equal the pulled-up output (should output be pulled-up.) when input voltage (v in ) rises above the ground voltage (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, the ground voltage (v ss ) level will be maintained. when input voltage (v in ) rises above detect release voltage (v dr ), output voltage (v out ) will be equal to v in . (a condition of high impedance exists wi th n-ch open drain output configurations.) the difference between v dr and v df represents the hysteresis range. timing chart
11/19 xc61c series notes on use 1. please use this ic within the stated maximum ratings. o peration beyond these limits may cause degrading or permanent damage to the device. 2. when a resistor is connected between the v in pin and the input with cmos output c onfigurations, oscillation may occur as a result of voltage drops at r in if load current (i out ) exists. (refer to the oscillation description (1) below) 3. when a resistor is connected between the v in pin and the input with cmos output c onfigurations, irrespective of n-ch output configurations, oscillati on 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 the oscillation description (2) below ) 4. with a resistor connected between the v in pin and the input, detect and release voltage will rise as a result of the ic's supply current flowing through the v in pin. 5. in order to stabilize the ic's operations, please ensure that v in pin's input frequency's rise and fall times are more than several sec / v. 6. please use n-ch open drains c onfiguration, when a resistor r in is connected between the v in pin and power source. in such cases, plea se ensure that r in is less than 10k ? and that c is more than 0.1f. oscillation description (1) output current oscillation wi th the cmos output configuration when the voltage applied at in rises, release operations commence and the detector's out put voltage 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 in pin, the load current will flow via the ic's v in pin. the voltage drop will also lead to a fall in the voltage level at the v in pin. when the v in pin voltage level falls below the detect volt age 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 in pin will rise and release operations will begin over again. oscillation may occur with this " release - detect - 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 xc61c series are cmos ic s , through current will flow when the ic's internal circuit switching operates (during release and detect operations). consequently, oscillation is liable to occur as a resu lt of drops in voltage at the through current's resistor (r in ) during release voltage operations. (refer to figure 3) since hysteresis exists during detect operat ions, oscillation is unlikely to occur.
12/19 xc61c series 100k *
13/19 xc61c series typical performance characteristics low voltage
14/19 xc61c series typical performance characteristics (continued) low voltage (continued) (4) n-ch driver output current vs. v ds 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 0.2 0.4 0.6 0.8 1.0 v ds (v) 0.7v v in =0.8v ta=25 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.2 0.4 0.6 0.8 1.0 v ds (v) v in =1.0v ta=25 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 0.2 0.4 0.6 0.8 1.0 v ds (v) 0.7v v in =0.8v ta=25 0 2.0 4.0 6.0 8.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 v ds (v) v in =1.4v ta=25 1.2v 1.0v ? ( . ) output current: i out (ma) output current: i out (ma) output current: i out (ma) output current: i out (ma) ? ( . ) ? ( . ) ? ( . ) (5) n-ch driver output current vs. input voltage 0 0.5 1.0 1.5 2.0 2.5 0 0.2 0.4 0.6 0.8 1.0 v ds =0.5v ta=85 -40 25 0 1.0 2.0 3.0 4.0 5.0 0 0.2 0.4 0.6 0.8 1.0 1.2 v ds =0.5v ta=-40 80 25 0 2 4 6 8 10 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 v ds =0.5v ta=-40 85 25 ? ( . ) ? ( . ) ? ( . ) output current: i out (ma) output current: i out (ma) output current: i out (ma) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) (6) p-ch driver output current vs. input voltage 0 2 4 6 8 10 12 0123456 v ds =2.1v 0.5v ta = 2 5 1.5v 1.0v 0 2 4 6 8 10 12 0123456 v ds =2.1v 0.5v ta = 2 5 1.5v 1.0v 0 2 4 6 8 10 12 0123456 v ds =2.1v 0.5v ta = 2 5 1.5v 1.0v ? ( . ) ? ( . ) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) output current: i out (ma) output current: i out (ma) output current: i out (ma) ? ( . ) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 0.2 0.4 0.6 0.8 1.0 v ds (v) 0.7v v in =0.8v ta=25 output current: i out (ma) ? ( . )
15/19 xc61c series typical performance characteristics (continued) standard voltage 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0246810 ta=85 -40 25 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0246810 ta=85 -40 25 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0246810 ta=85 -40 25 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0246810 ta=85 -40 25 ?? ( . ?? ( . ) ?? ( . ) ?? ( . ) input voltage: v in (v) input voltage: v in (v) supply current: i ss ( a) supply current: i ss ( a) input voltage: v in (v) input voltage: v in (v) supply current: i ss ( a) supply current: i ss ( a) (2) detect, release voltage vs. ambient temperature 1.75 1.80 1.85 1.90 -50 -25 0 25 50 75 100 ambient temperature : ta ( ) v dr v df 2.65 2.70 2.75 2.80 -50 -25 0 25 50 75 100 ambient temperature : ta ( ) v dr v df 3.5 3.6 3.7 3.8 -50 -25 0 25 50 75 100 ambient temperature : ta ( ) v dr v df 4.4 4.5 4.6 4.7 -50 -25 0 25 50 75 100 ambient temperature : ta ( ) v dr v df ?? ( . ) ?? ( . ) ?? ( . ) ?? ( . ) detect, release voltage: v df ,v dr (v) detect, release voltage: v df ,v dr (v) detect, release voltage: v df ,v dr (v) detect, release voltage: v df ,v dr (v) (1) supply current vs. input voltage
16/19 xc61c series typical performance characteristics (continued) standard voltage (continued) (3) output voltage vs. input voltage note : the n-channel open drain pull up resistance value is 100k . 0 1 2 3 0123 ta=25 0 1 2 3 4 01234 ta=25 0 1 2 3 4 5 012345 ta=25 0 1 2 012 ta=25 ?? . v) ?? . ) input voltage: v in (v) input voltage: v in (v) output voltage: v out (v) output voltage: v out (v) output voltage: v out (v) output voltage: v out (v) ?? ( . v) ?? ( . v) input voltage: v in (v) input voltage: v in (v) (4) n-ch driver output current vs. v ds 0 2 4 6 8 10 0 0.5 1.0 1.5 2.0 v ds (v) 1.0v v in =1.5v ta=25 0 5 10 15 20 25 30 0 0.5 1.0 1.5 2.0 2.5 3.0 v ds (v) 1. 0 v v in =2.5v ta=25 1.5v 2.0v 0 10 20 30 40 0 0.5 1.0 1.5 2.0 2.5 3.0 v ds (v) 1.5v v in =3.0v ta=25 2.0v 2.5v 0 10 20 30 40 50 60 70 80 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 v ds (v) v in =4.0v ta=25 1.5v 2.0v 2.5v 3 . 0 v 3.5v ?? ( . ) ?? ( . v) ?? ( . v) ?? ( . ) output current: i out (ma) output current: i out (ma) output current: i out (ma) output current: i out (ma) note : the n-channel open drain pull up resistance value is 100k . 0 10 20 30 40 50 60 70 80 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 v ds (v) xc61cc4502 (4.5v?) v in =4.0v ta=25 1.5 v 2.0 v 2.5 v 3.0 v 3.5v
17/19 xc61c series typical performance characteristics (continued) standard voltage (continued) (4) n-ch driver output current vs. v ds 0 200 400 600 800 1000 0 0.2 0.4 0.6 0.8 1.0 v ds (v) v in =0.8v 0.7v ta=25 0 200 400 600 800 1000 0 0.2 0.4 0.6 0.8 1.0 v ds (v) v in =0.8v 0.7v ta=25 0 200 400 600 800 1000 0 0.2 0.4 0.6 0.8 1.0 v ds (v) v in =0.8v 0.7v ta=25 0 200 400 600 800 1000 0 0.2 0.4 0.6 0.8 1.0 v ds (v) v in =0.8v 0.7v ta=25 output current: i out ( a) output current: i out ( a) output current: i out ( a) output current: i out ( a) ?? ( . v) ?? . v) ?? ( . v) ?? ( . v) (5) n-ch driver output current vs. input voltage 0 5 10 15 0 0.5 1.0 1.5 2.0 v ds =0.5v ta=-40 85 25 0 5 10 15 20 25 0 0.5 1.0 1.5 2.0 2.5 3.0 v ds =0.5v ta=-40 85 25 0 5 10 15 20 25 30 01234 v ds =0.5v ta=-40 85 25 0 10 20 30 40 012345 v ds =0.5v ta=-40 25 85 ?? ( . v) ?? ( . v) output current: i out (ma) output current: i out (ma) output current: i out (ma) output current: i out (ma) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) ?? ( . v) ?? ( . v)
18/19 xc61c series typical performance characteristics (continued) standard voltage (continued) (6) p-ch driver output current vs. input voltage 0 5 10 15 0246810 v ds =2.1v 0.5v 1.0v 1.5v 0 5 10 15 0246810 v ds =2.1v 0.5v 1.0v 1.5v 0 5 10 15 0246810 v ds =2.1v 0.5v 1.0v 1.5v 0 5 10 15 0246810 v ds =2.1v 0.5v 1.0v 1.5v ?? ( . v) ?? ( . v) ?? ( . v) ?? ( . v) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) input voltage: v in (v) output current: i out (ma) output current: i out (ma) output current: i out (ma) output current: i out (ma)
19/19 xc61c series 1. the products and product specifications cont ained herein are subject to change without notice to improve performance characteristic s. consult us, or our representatives before use, to confirm that the inform ation in this catalog is up to date. 2. we assume no responsibility for any infri ngement of patents, pat ent rights, or other rights arising from the use of any info rmation and circuitry in this catalog. 3. please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. the products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction ca n be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. atomic energy; aerospace; transpor t; combustion and associated safety equipment thereof.) 5. please use the products listed in this catalog within the specified ranges. should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. we assume no responsibility for damage or loss due to abnormal use. 7. a ll rights reserved. no part of this cata log may be copied or reproduced without the prior permission of torex semiconductor ltd.

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