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? 2009 scillc. all rights reserved. characteristics subject to change without notice doc. no. md-3004, rev. z cat803, cat809, cat810 3-pin microprocessor power supply supervisors fe at ure s precisio n monitoring of +5.0v (-5%, -10%, -20%), +3.3v (-5%, -10%), +3.0v (-10%) and +2.5v (-5%) power supplies offered in three output confgurations: - cat803: open-drain active low reset - cat809: push-pull active low reset - cat810: push-pull active high reset direct replacements for the max803, max809 and max810 in applications operating over the indus trial temperature range r eset valid down to v cc = 1.0v 6a power supply current power supply transient immunity industrial temperature range: -40oc to +85oc available in rohs-compliant sot-23 and sc-70 pack age s a pplicatio n s c ompu ters servers laptops cable modems wireless communications e mbedded control systems white goods power meters intelligent instruments pdas and ha ndhe ld equipment de scriptio n the cat803, cat809, and cat8 0 are supervisory circuits that monitor power supplies in digital systems. the cat803, cat809, and cat8 0 are direct replacements for the max803, max809 and max8 0 in applications operating over the industrial temperature range. these devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 40 ms after the power supply level has risen above that level. the underlying foating gate technology, ae 2(tm) used by catalyst semiconductor, makes it possible to offer any custom reset threshold value. seven industry standard threshold levels are offered to support +5.0v, +3.3v, +3.0v and +2.5v systems. the cat803 has an open-drain reset output (active low). the cat803 requires a pull-up resistor on the reset output. the cat809 features a push-pull reset output (active low) and the cat8 0 features a push-pull reset output (active high). fast transients on the power supply are ignored and the output is guaranteed to be in the correct state at v cc levels as low as .0v. the cat803, cat809, and cat8 0 are available in both the compact 3-pin sot-23 and sc-70 packages. p i n c o nf ig u ratio n (cat803) cat809 (cat810) gnd reset (reset) v cc 3-lead sot23 3-lead sc70 1 2 3 t hreshold s uff ix selector n ominal threshold voltage threshold suffx designation 4.63v l 4.38v m 4.00v j 3.08v t 2.93v s 2.63v r 2.32v z f or ordering information details, see page 11.
cat803, cat809, cat810 2 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice cat803 v cc v cc gnd reset + ? digital delay v cc tolerance bias voltage reference cat810 v cc v cc reset + ? digital delay v cc tolerance bias voltage reference gnd cat809 v cc v cc reset + ? digital delay v cc tolerance bias voltage reference gnd p i n d escriptio n s pin n umber n ame description cat803 cat809 cat810 gnd ground 2 2 reset active low reset. reset is asserted if v cc falls below the reset thresh - old and remains low for at least 40ms after v cc rises above the reset threshold. 2 reset active high reset. reset is asserted if v cc falls below the reset thresh - old and remains high for at least 40ms after v cc rises above the reset threshold. 3 3 3 v cc power supply voltage that is monitored. block diagrams
cat803, cat809, cat810 3 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice e lectrical characteristics v cc = full range, t a = -40 o c to +85 o c unless otherwise noted. typical values at t a = +25 o c and v cc = 5v for the l/m/j versions, v cc = 3.3v for the t/s versions, v cc = 3v for the r version and v cc = 2.5v for the z version. parameter symbol conditions min typ max u nits v cc range t a = 0oc to +70oc .0 5.5 v t a = -40oc to +85oc .2 5.5 supply current i cc t a = -40oc to +85oc v cc < 5.5v, j/l/m 8 20 a v cc < 3.6v, r/s/t/z 6 5 reset threshold voltage v th l threshold t a = +25oc 4.56 4.63 4.70 v t a = -40oc to +85oc 4.50 4.75 m threshold t a = +25oc 4.3 4.38 4.45 t a = -40oc to +85oc 4.25 4.50 j threshold t a = +25oc 3.93 4.00 4.06 t a = -40oc to +85oc 3.89 4. 0 t threshold t a = +25oc 3.04 3.08 3. t a = -40oc to +85oc 3.00 3. 5 s threshold t a = +25oc 2.89 2.93 2.96 t a = -40oc to +85oc 2.85 3.00 r threshold t a = +25oc 2.59 2.63 2.66 t a = -40oc to +85oc 2.55 2.70 z threshold t a = +25oc 2.28 2.32 2.35 t a = -40oc to +85oc 2.25 2.38 a bsol u te m axim u m r ati n gs (1) any pin with respect to ground -0.3v to +6.0v input current, v cc 20ma output current, reset, reset 20ma rate of rise, v cc 00v/s continuous power dissipation derate 2.2mw/oc above 70oc (sc70) 75 mw derate 4mw/oc above 70oc (sot23) 320 mw operating temperature range -40oc to +85oc storage temperature range -65oc to + 05oc lead soldering temperature ( 0 sec) 300oc n ote: ( ) stresses above those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specifcation is not implied. exposure to any absolute maximum rating for extended periods may affect device performance and reliability.
cat803, cat809, cat810 4 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice e lectrical characteristics v cc = full range, t a = -40 o c to +85 o c unless otherwise noted. typical values at t a = +25 o c and v cc = 5v for l/m/j versions, v cc = 3.3v for t/s versions, v cc = 3v for r version and v cc = 2.5v for z version. (continued) n otes: ( ) production testing done at t a = +25oc; limits over temperature guaranteed by design only. (2) reset output for the cat809; reset output for the cat8 0. parameter symbol conditions min typ (1) max u nits reset threshold tempco 30 ppm/oc v cc to reset delay (note 2) t d v cc = v th to (v th - 00 mv) 20 s reset active timeout period t r t a = -40oc to +85oc 40 240 460 ms reset output voltage low (open-drain active low, cat803 and push-pull, active l ow , cat809) v ol v cc = v th min, i sink = .2ma cat803r/s/t/z, cat809r/s/t/z 0.3 v v cc = v th min, i sink = 3.2ma cat803j/l/m, cat809j/l/m 0.4 v cc > .0v, i sink = 50a 0.3 reset output voltage high (push-pull, active l ow , cat809) v oh v cc = v th max, i source = 500a cat809r/s/t/z 0.8 v cc v v cc = v th max, i source = 800a cat809j/l/m v cc - .5 reset output voltage low (push-pull, active h igh , cat8 0) v ol v cc > v th max, i sink = .2ma cat8 0r/s/t/z 0.3 v v cc > v th max, i sink = 3.2ma cat8 0j/l/m 0.4 reset output voltage high (push-pull active h igh , cat8 0) v oh .8v < v cc v th min, i source = 50a 0.8 v cc v
cat803, cat809, cat810 5 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice t y pical operati n g c haracteristics v cc = full range, t a = -40oc to +85oc unless otherwise noted. typical values at t a = +25oc and v cc = 5v for l/m/j versions, v cc =3.3v for t/s versions, v cc = 3v for r version and v cc = 2.5v for z version. supply current vs. temperature (no load, cat8xxr/s/t/z ) 12 10 8 6 4 2 0 -50 0 50 100 150 supply current ( a) temperature (?c) power-down reset delay vs. temperature (cat8xxr/s/t/z ) 14 12 10 8 6 4 2 0 power-down reset delay ( s) temperature (?c) power-up reset timeout vs. temperature 260 240 220 200 180 160 power-up reset timeout (ms) temperature (?c) normalized reset threshol d vs. temperature 1.0002 1 0.9998 0.9996 0.9994 0.9992 0.999 0.9988 0 20 40 60 80 100 12 0 normalized threshol d temperature ( ?c ) v cc =3.6v v cc =5.5v -50 0 50 100 150 v cc =5v v cc =2.5v -50 0 50 100 150
cat803, cat809, cat810 6 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice 0v ca t803, ca t809 5v 0v 5v reset/out reset t d v th v cc t r (140ms minimum) reset t imeout perio d ca t810 0v 5v detailed descriptio n s reset timi n g the reset signal is asserted low for the cat803/ cat809 and high for the cat8 0 when the power supply voltage falls below the threshold trip voltage and remains asserted for at least 40ms after the power supply voltage has risen above the threshold. f igure 2. maximum transient duration without causing a reset pulse vs. reset comparator overdrive transient dura tion (s) v cc t ra n sie n t r espo n se the cat803/cat809/cat8 0 protect ps against brownout failure. short duration transients of 4 sec or less and 00mv amplitude typically do not cause a false reset. figure 2 shows the maximum pulse duration of negative- going v cc transients that do not cause a reset condition. f igure 1. reset timing diagram as the amplitude of the transient goes further below the threshold (increasing v th - v cc ), the maximum pulse duration decreases. in this test, the v cc starts from an initial voltage of 0.5v above the threshold and drops below it by the amplitude of the overdrive voltage (v th - v cc ).
cat803, cat809, cat810 7 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice v alid reset with v cc un der 1.0v to ensure that the cat809 reset pin is in a known state when v cc is under 1.0v, a >10k? pull-down resistor between reset pin and gnd is recommended. for the cat8 0, a pull-up resistor from reset pin to v cc is needed. cat809 gnd 10k power supply reset cat810 gnd 10k power supply reset v cc v cc figure 3. re s e t valid with v cc u nder 1.0v f igure 4. reset valid with v cc u nder 1.1v f igure 5. bi-directional reset pin interfacing ca t809 gnd v cc powe r suppl y reset buf fere d reset bu f reset input gnd bi-directional i/o pi n p (for example: 68hc1 1) v cc b i - directio n al reset pi n i n ter f aci n g the cat809/8 0 can interface with p/c bi-directional reset pins by connecting a 4.7k? resistor in series with the cat809/8 0 reset output and the p/c bi-directional reset pin.
cat803, cat809, cat810 8 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice c at 803 o pe n-d rai n re s e t a pplicatio n the cat803 features an open-drain reset output and therefore needs a pull-up resistor on the output for proper operation, as shown on figure 6. an advantage of the open-drain output includes the ability to wire and several outputs together to form an inexpensive logic circuit. it is also possible to have the pull-up resistor connected to a different supply which can be higher than the cat803 v cc pin. the value of the pull-up resistor is not critical in most applications, typical values being between 5k? and 10k?. ca t803 gnd v cc powe r suppl y reset reset input gnd p v cc 5k f igure 6. typical cat803 open-drain circuit confguration
cat803, cat809, cat810 9 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice p ackage ou tli n e drawi n gs sot-23 3-lead (tb) n otes: ( ) all dimensions are in millimeters. angles in degrees. (2) complies with jedec standard to-236. e1 e a1 e e1 b d 3 1 2 c a top view side view end view l1 l package outline drawing sot-23 3-lead (tp, tb) doc. no. sot233-007-01 07/20/07 notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec to-236. symbol min nom max a 0.89 1.12 a1 0.013 0.10 b 0.37 0.50 c 0.085 0.18 d 2.80 3.04 e 2.10 2.64 e1 1.20 1.40 e 0.95 bsc e1 1.90 bsc l 0.400 ref l1 0.540 ref 0o 8o
cat803, cat809, cat810 0 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice sc-70 3-lead (sd) n otes: ( ) all dimensions are in millimeters. angles in degrees. (2) complies with jedec standard mo-203. e1 e d a l l1 l2 e e b a1 a2 c top view side view end view 1 1 package outline drawing sc-70 3-lead (sb, sd) doc. no. sc703-046-01 01/31/08 notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec mo-203. symbol min nom max a 0.80 1.10 a1 0.00 0.10 a2 0.80 0.90 1.00 b 0.15 0.30 c 0.08 0.22 d 1.80 2.00 2.20 e 1.80 2.10 2.40 e1 1.15 1.25 1.35 e 0.65 bsc l 0.26 0.36 0.46 l1 0.42 ref l2 0.15 bsc 0 8 1 4 10
cat803, cat809, cat810 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice e xample o f o rderi n g inf ormatio n (2) (3) (4) prefix device # suffix 809 s tbi g ? device t ype 803: open-drain / active low output 809: push-pull / active low output 810: push-pull / active high output ca t tr ip level l: 4.63v m: 4.38v j: 4.00v t: 3.08v s: 2.93v r: 2.63v z: 2.32v company id package t ype (1) tbi: sot -23 green sdi: sc70 green lead finish blank: matte-t in g: nipdau t10 t: ta pe & reel 3: 3000/reel 10: 10000/reel t op m arki n g n otes: ( ) all packages are rohs-compliant (lead-free, halogen-free). (2) the standard lead fnish is nipdau. contact factory for other lead fnishes. (3) the device used in the example above is a cat809stbi-gt 0 (push-pull / active low output, trip level of 2.85v to 3.00v nipdau, tape and reel). (4) for additional package and temperature options, please contact your nearest on semiconductor sales offce. device (1) sot-23 pbsn finish (2) sot-23 rohs matte finish (2) sot-23 rohs n ipdau finish (2)(3) sc70 pbsn finish (2) sc70 rohs matte finish (2) sc70 rohs n ipdau finish (2)(3) cat803x n/a rpym rnym n/a rp__ rn__ cat809x paym pbym nrym pa__ pb__ nr__ cat8 0x pcym pdym nsym pc__ pd__ ns__ n otes: ( ) all theshold trip level options have the same marking. (2) the ym in the sot-23 package marking indicates the year and month of roduction and the _ in the sc70 package marking indicates the assembly location. (3) all nipdau devices will be marked to indicate product type and package. threshold and full part numbers will be provided on box and reel labels as well as all shipping documents.
cat803, cat809, cat810 2 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice n ote: ( ) contact factory for availability. cat803lsdi ( ) cat803lsdi-g cat809lsdi ( ) cat809lsdi-g cat8 0lsdi ( ) cat8 0lsdi-g cat803msdi ( ) cat803msdi-g cat809msdi ( ) cat809msdi-g cat8 0msdi ( ) cat8 0msdi-g cat803jsdi ( ) cat803jsdi-g cat809jsdi ( ) cat809jsdi-g cat8 0jsdi ( ) cat8 0jsdi-g cat803tsdi ( ) cat803tsdi-g cat809tsdi ( ) cat809tsdi-g cat8 0tsdi ( ) cat8 0tsdi-g cat803ssdi ( ) cat803ssdi-g cat809ssdi ( ) cat809ssdi-g cat8 0ssdi ( ) cat8 0ssdi-g cat803rsdi ( ) cat803rsdi-g cat809rsdi ( ) cat809rsdi-g cat8 0rsdi ( ) cat8 0rsdi-g cat803zsdi ( ) cat803zsdi-g cat809zsdi ( ) cat809zsdi-g cat8 0zsdi ( ) cat8 0zsdi-g cat803ltbi ( ) cat803ltbi-g cat809ltbi ( ) cat809ltbi-g cat8 0ltbi ( ) cat8 0ltbi-g cat803mtbi ( ) cat803mtbi-g cat809mtbi ( ) cat809mtbi-g cat8 0mtbi ( ) cat8 0mtbi-g cat803jtbi ( ) cat803jtbi-g cat809jtbi ( ) cat809jtbi-g cat8 0jtbi ( ) cat8 0jtbi-g cat803ttbi ( ) cat803ttbi-g cat809ttbi ( ) cat809ttbi-g cat8 0ttbi ( ) cat8 0ttbi-g cat803stbi ( ) cat803stbi-g cat809stbi ( ) cat809stbi-g cat8 0stbi ( ) cat8 0stbi-g cat803rtbi ( ) cat803rtbi-g cat809rtbi ( ) cat809rtbi-g cat8 0rtbi ( ) cat8 0rtbi-g cat803ztbi ( ) cat803ztbi-g cat809ztbi ( ) cat809ztbi-g cat8 0ztbi ( ) cat8 0ztbi-g o rderi n g p art n u mber
cat803, cat809, cat810 3 doc. no. md-3004, rev. z ? 2009 scillc. all rights reserved. characteristics subject to change without notice r evisio n h istor y date r ev. description 29-oct-03 n updated vcc transient response text and figure 2 30-oct-03 o updated power up reset timeout vs. temperature curve 3-oct-04 p corrected temperature range updated description updated ordering information updated absolute maximum ratings updated electrical characteristics 23-mar-04 q updated description updated ordering information updated absolute maximum ratings updated electrical characteristics updated typical operating characteristics updated package information 25-mar-04 r changed preliminary designation to final updated max reset active timeout period in electrical characteristics updated package drawings 5-oct-04 s updated top marking table 28-feb-05 t updated features updated ordering information updated top marking 7-feb-06 q updated typical operating characteristics 0-aug-06 u updated features updated description updated max reset active timeout period in electrical characteristics updated figure updated package information correct revision number 7-oct-06 v updated top marking updated detailed description adding cat803 2-feb-07 w updated electrical characteristics updated figure updated ordering information 20-mar-07 x updated detailed descriptions 3 -jan-08 y added md- to document number added block diagrams updated package outline drawings updated example of ordering information updated ordering part number 05-nov-08 z change logo and fne print to on semiconductor
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