Ordering number:en 2895A Mnlithic Liner IC N.2895A L A 5 6 9 0 D, 5690S Vltge Regultr Driver with Wtchdg Timer The LA5690 is single-chip vltge regultr fr micrcmputer system mnitr use tht perfrms the functins f 5V utput vltge cntrl, wtchdg timer, nd vltge detectr. The LA5690 uses minimum number f prts t prvide the bsic functins. Applictins Micrcmputer system fr cr equipment, refrigertinheting equipment, ffice utmtin equipment Functins Output vltge 5Vcntrl Wtchdg timer Pwer-ON reset functin - Psitivenegtive lgic utput fr reset Fetures - An externl PNP trnsistr cn be used t prvide lw-sturtin vltge regultr. CK input with edge detectr - Vrible detectin vltge Reset utput with pull-up resistr f Okft Mximum Rtings t T = 25 C unit unit Cntrl Pin Vltge v CONT mx lsec 60 V Cntrl Pin Vltge VCONT mx 4 V Cntrl Pin Current ICONT M A X *VCC^6V ma CK Input Vltge VCK mx 25 V Reset Pin Vltge VREsmx, VRES mx 4 V Allwble Pwer Dissiptin Pd mx 500 mw Operting Temperture Tpr - 40 t + 85 C Strge Temperture Tstg -55 t +50 C *: A PNP trnsistr is cnnected t the LA5690D, 5690S externlly t prvide lw-sturtin vltge regultr. Therefre, ICONT-- ma will flw, s strting current, in the Vcc rnge where the utput cnnt be regulted. Operting Cnditins t T = 25 C Cntrl Pin Vltge V CONT Cntrl Pin Current ICONT mx Reset Output Current IRES mx, IRES mx Reset Detectin Vltge Vs min Pckge Dimensins (unit: mm) 300B [LA5690D] Externl R pull-up Pckge Dimensins (unit: mm) 307 B [LA5690SJ unit 6 t 40 V 0 ma 8 ma 4 V 22.3 3.0 SANYO: DIP8.3 u u u ib l J ^ J 0.5 2.54 2.S4 SANYO: SEP9 0*25 SANYO Electric C., Ltd. Semicnductr Business Hedqurters TOKYO OFFICE Tky Bldg., -0, Chme. Uen. Tit-ku,TOKYO. 0 JAPAN D29YT8099YT9088YT.TS N.2895-5
Operting Chrcteristics tt = 25 C, VCc = 4V, I=50mA, unless therwise specified min typ mx unit Operting Vltge v0 4.8 5.0 5.2 V Line Regultin AVOLNI 9V^V C C^6V 2 0 mv AVOLN2 6V^VCc^40V 4 30 mv Ld Regultin AVOLD lma^i ^50mA 4 30 mv Current Dissiptin Icc IO=O 4.9 6.5 ra Output Nise Vltge VNO lohz^f^lookhz, VCK : = 0 200 NV Temperture Cefficient AVQAT I0 = 5mA, _40 C^T^ + 85 C ±0.2 mv C f Output Vltge Reference Vltge VREF.3.8.23 V "H"-Level CK Input Vltge VIH 2 V "L"-Level CK Input Vltge VlL 0.8 V "H"-Level CK Input Current IlH VCK=5V 0.3 0.7 ma "L"-Level CK Input Current IlL V CK=O -.0-0. pa "H"-Level Reset Output Vltge VORHV0RH 4.8 5.0 5.2 V "L"-Level Reset Output Vltge VQRLIVORLI 40 200 mv "L"-Level Reset Output Vltge VORL2^VORL2 IRES=IRES=8mA 0.6 0.8 V CK Input Pulse Width tckw VCK = 5V 3 ps Reset Output Dely Time td Ct=lpF 7.5 0 2.5 ms Wtchdg Time twd Ct=lpF 3.8 5.0 6.2 ms Wtchdg Reset Time twr Ct=lpF 0. 0.25 0.4 ms Reset Hysteresis Vltge Vhys VS=4.5V 200 300 mv Pin Assignment LA5690S U * IU H l*j * IzJ l«l lij -v) 9 ifi - z r 2 y r The NC pin, which is left pen, must nt be used fr wiring. Equivlent Circuit Blck Digrm Vcnt Unit (resistnce: G) VS C Ck The reset utput cntins pull-up resistr f lokq. N.2895-25
Test Circuit 2si2«Timing Chrt Applictin f pwer V CC Instntneus drp w Digitl utput t IO prt f micrcmputer,d I Micrcmputer pertin strt CKW ;.CPU - bnrmlity Nte : Edge-triggered t the pint indicted by the rrw f CK signl. Smple Applictin Circuit 2SA289 Unit (resistnce: n.cpc VS-VREFX( +) VREf^M8(V) td=0xct(nf)(ms] twd = 5xCt(pF)[ms] t W R = 0.25XCt(nF)[ms] 777 TR Ct 2SA289(6CIV5A,TO-220) Sny OS cpcitr Ct,C0 Cck. Cpcitrs whse vlue des nt vry with temperture very much. : Must be used t eliminte nise in the reset utput. N.2895-35
Pd mx - T V0 " VCC T = 25' C > I 4 > > U) q 3 3 " > l = 5m \ - O i 50mA 300mA - > I 5 IK b B 0 20 40 60 Ambient Temperture, T C VRES - V0 T = 25 3 C I0 = 50r na i R = lk r> R2 = 3. kfi < i 2 3 4 5 6 7 8 9 0 II Supply Vltge,VcC V VRES ~ V 2 O W 4 S 4 93 492 > I > 49 t B 490 Q4.W Indeterminte pertin V 2 3 4 Output Vltge,V - V V0 " T 4-88 -60-40 -20 0 20 40 60 80 Ambient Temperture, T - C 6-0 5-8 5 6 5 4 5 2 50 48 46 4.4 4.2 ICC - T t Vcc = = 4V l = 5 ma VCC = 4V 40-60 -40 0 20 40 60 80 Ambient Temperture, T - C 20 80 c 'J. S'60 40 S 20 CO 90 J" «T TO 5 b GO 40» -I* g i 2 3 5 2 3 4 Output Vltge,V - V i, Ice ~ Vcc A ' T = 2 I = 0 > c 2 3 4 5 6 7 8 9 0 2 Supply Vltge,Vcc - V l re - f I0= 50mA 300r na 2 3 5 k * 3 5 0k Frequency,f-Hz [ Cv V\ \ t T = 25 C 8 V^Vccgl8V 3 = 50m A,300m A C = loopf 2 3 5 k N.2895-45
td,twd - T VCC = 4V I0 = 5 ma I 0 6 0 5 twr ~ T vcc= = 4V I = 5 ma ^ - 0) twd -0 3 v m b 0-2 T3 -C «0.t -60-40 -20 0 20 40 60 80 Ambient Temperture, T C VIN - T vcc = 4V 0 = 50mA 360 340 % 320 PC 300 0> Ld 260 3 <J 260 = 240-60 -40-20 0 20 40 60 60 Ambient Temperture, T C C llh " T VCC = 4V = 50mA VCK= :5V O 220-60 - 40-20 0 20 40 60 60 Ambient Temperture, T - "C 200-60 - 40-20 0 20 40 60 00 Ambient Temperture, T - C N prducts described r cntined herein re intended fr use in surgicl implnts, life-supprt systems, erspce equipment, nucler pwer cntrl systems, vehicles, disstercrime-preventin equipment nd the like, the filure f which my directly r indirectly cuse inury, deth r prperty lss. Anyne purchsing ny prducts described r cntined herein fr n bve-mentined use shll: <D Accept full respnsibility nd indemnify nd defend SANYO ELECTRIC CO., LTD., its ffilites, subsidiries nd distributrs nd ll their fficers nd emplyees, intly nd severlly, ginst ny nd ll clims nd litigtin nd ll dmges, cst nd expenses sscited with such use: (D Nt impse ny respnsibility fr ny fult r negligence which my be cited in ny such clim r litigtin n SANYO ELECTRIC CO., LTD., its ffilites, subsidiries nd distributrs r ny f their fficers nd emplyees intly r severlly. Infrmtin (including circuit digrms nd circuit prmeters) herein is fr exmple nly; it is nt gurnteed fr vlume prductin. SANYO believes infrmtin herein is ccurte nd relible, but n gurntees re mde r implied regrding its use r ny infringements f intellectul prperty rights r ther rights f third prties. N.2895-55