MC34063, MC35063, MC33063 - 373 - DC-DC 53> N\ FHA MOT AVAL 2, BRE, REI, Atv Fb AR ECHR EH aA EHS DC-DC 3v/\ 2 OPER C, AR SH TRG PRIVY, Av IN Veco : 40V FavT7t EOMBBMRACEHES. MABEL 1.25V mh 40V Oe CEE Vin: 0.3~40V (avy kL BAS CHS. Vn, Vrz, Vrg : 40V Vri-2 : 40V O ORR REM 2.5V~40V Isw : 1.58 OA FBSA Pp* > 1.25W (> 2 7 DIL) BhfF AA --100Hz~ 100kHz LOW ( Fo 2% 7 DIL) OMEFAF 4 ATW Tope | 55~ +125 (MC35063) O FB ve HIRR BEREAN RR 40~ +85 (MC33063) ORy roy BEY #59847 DIL Sy F-V(a- FU) 0~70'C (MC34063) BEY FaA~FY 7 DIL Nye (a F PI) Tig} 65~ +150 BEY S27 By bNy rey (rI FM) +: 1 Ble 7FoO+.7H Drive oO 8 1 Switch Collector Collector |) a2 aici BSR Vec=5V, =O PReae) q Ql _ oo. MC34063MC35063'MC33063} ; z 8 Me & th am fy lok oo 80 ; Rob | Re RK Sense 25 Swit 5.0V S$ Voc S40V, Cp=0.001 nF oa a a Emitter ee = Voc, Via Vian it 2-<0ND 2.4 mA pk = mn Oscillator cr Fete Be Ling 20 | 35 | 50 - 5.0V 5 Vee S40V, T,=25 pA 6 3 Timin Taisen 150 | 200 | 250 Yee Cc. We Vourpp. (T,=25C ~ 0.5 Vv Comparator apacitor ao : rr 1.25 V | aisha tone to) 88 Reference BRMRBMET Tony = Lacchye Ta= 25 C 250 300 | 350 | mV Regulator HN AL oF a , Lee | ' Vin=Vor 10. 13 Comparator, 4 Vorsar Usw= 1A an Vv Inverting Gnd : | Ep=50mA 045 0.7 | Input hpe Igw=1A, Veg=5.0V. T,=25 C 35 | 120 foors: | Vee=40V, T,=25C 10 nA Hl BOWER CATURE AY RYA# - Ry Pay Thrnae PGE ROK Via | 131g] 125 | 132] ov: 150C 1omW/ C AV ry/4Vc|3.0V S Vee S40V 0.04 | 02 |mv/V! 7 FIRF4 9 YDIL 125C 1omW/ C Te Vin=0V 40; 400 | nA | 374- MC34063, MC35063, MC33063 DC-DC 32> N\ 4 HI (23%) MOT MOF Switch Collector Switch Emitter Timing Capacitor L- (Top View) FAIRS (AFIS? FIV + av r-F) Oriver Collector Ipk Sense 8 1 6} Ycc ay, | ie B Comparator al Inverting 2 Input k 1N5822 3 ou I 220 pH Cc T25V ian Ref 470 Reg pF tL 4s y+ Re out Ry 3 1.2k 3.6 k 470+ .0 V/600 mA 'Z pF To Test Conditions Results Line Regulation Vin = 15 to 25 V, lg = 500 mA 15 mV Load Regulation Vin 2 28 V, lg = 50 to 500 mA 5.0 mv Output Rippie Vin = 25 V, lg = 500 mA 40 MVp-p Short Circuit Current Vin = 25 V, Ry = 0.19 23A Efficiency Vin = 25, lg = 500 mA 84.7%