1 sheet no.: op06039 notice the content of data sheet is subject to change without prior notice. in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usin g any sharp device. PQ1CY1032ZXH PQ1CY1032ZXH parameter symbol rating unit to-263 surface mount type chopper regulator v in v adj v i-o 41 v v v output - com voltage input - output voltage error input voltage input voltage v out -1 v v soft terminal voltage v soft -0.3 to +40 v switching current i sw 3.5 a power dissipation p d 35 w *1 *2 *3 *4 *5 junction temperature t j 150 operating temperature t opr -20 to +85 storage temperature t stg -40 to +150 soldering temperature t sol 260(10s) ( ta=25 ) 40 7 *1 voltage between v in terminal and com terminal *2 voltage between v out terminal and com terminal *3 voltage between v soft terminal and com terminal *4 p d :with infinite heat sink features outline dimensions (unit:mm) (2.4) ( 1.3) com (common to heat sink) v out v in v soft o adj (0 to 0.25) 1c y 1032 10.6 max. 3.28 0.5 (0.55) 8.4 0.5 13.7 max. (0.6) (0.6) (0.6) (0.45) (0.45) 1.05 +0.2 ?0.1 1.05 +0.2 ?0.1 3?0.9 +0.2 ?0.1 4?(1.7) epoxy resin (0.6) 3.5 0.5 ( ) : typical dimensions 1 1 2 3 4 5 5 4 3 2 product mass:(1.0g) lead finish:lead-free solder plating (composition: sn2cu) applications absolute maximum ratings 2 h lead finish identification mark *5 there is case that over heat protection function operates at the temperature t j =125 c to 150 c, so this item cannot be used in this temperature range. 1. maximum switching current: 3.5a 2.built-in on/off control function 3.built-in soft start function to suppress overshoot of output voltage in power on sequence or on/off control sequence 4.built-in oscillation circuit (oscillation frequency: typ. 150khz) 5. built-in overheat protection function, overcurrent shut-down function 6.to-263 package 7. pq1cy1032zzh : sleeve-packaged product pq1cy1032zph : tape-packaged product 8.variable output voltage (output variable range: vref to 35v/?vref to ?30v) [possible to select step-down output/inversing output according to external connection circuit] 9. rohs directive compliant 1. lcd monitors 2. car navigation systems 3. switching power supplies
2 sheet no.: op06039 electrical characteristics PQ1CY1032ZXH 135 150 165 khz 2 (unless otherwise specified,condition shall be v in =12v,i o =0.5a,v o =5v,v soft terminal=0.1uf,t a =25 ) parameter symbol conditions min. max. unit output saturation voltage 1.4 1.8 v reference voltage 1.235 1.26 1.285 v reference voltage temperature fluctuation typ. i sw =3a v sat v ref t j =0 to 125 0.5 % load regulation |r eg l| i o =0.5 to 3a 0.2 1.5 % line regulation |r eg i| v in =8 to 35v 1 2.5 % % efficiency i o =3a 80 oscillation frequency f o oscillation frequency temperature fluctuation t j =0 to 125 % overcurrent detecting level i l 3.6 4.2 5.8 a charge current i chg , terminals is open, terminal -10 input threshold voltage v thl v thh duty ratio=0%, terminal=0v, terminal duty ratio=100%, terminal is open, terminal 1.3 2.3 v v v v on threshold voltage v th(on) terminal=0v, terminal 0.7 0.8 0.9 overcurrent shutdown threshold voltage v thil terminal 3.8 4.6 5.5 stand-by current i sd v in =40v, terminal=0v 140 400 output off-state dissipation current i qs v in =40v, terminal=0.9v 816ma fig.1 test circuit l i qs v o i sd v in c in i chg i o c o d r 1 r 2 + + lo w high op en of f on on 1k a a a pq1cy1032z load l hk-10s100-4500(made by toho co.) d erc80-004(made by fuji electronics co.) 5 terminal v o output switching current peak
3 sheet no.: op06039 PQ1CY1032ZXH t a = 25 c v in = 12v v o = 5v shutdown operating 50 60 70 80 90 100 v o = 12v , i o = 1a v o = 5v , i o = 3a t j = 25 c v o = 5v , i o = 1a v o = 12v , i o = 3a 0 0.5 1 1.5 2 2.5 3 3.5 4 t j = 25 c 0 5 10 15 t j = 25 c v o = 5v no load i o = 1a i o = 3a v in = 12v v o = 5v 0 20 15 10 5 25 30 35 40 -20 0 25 50 85 75 125 100 150 fig.2 power dissipation vs.ambient temperature p d : with infinite heat sink note) oblique line portion:overheat protection may operate in this area. ambient temperature ta (c) power dissipation p d (w) fig.3 overcurrent protection characteristics (typical value) output current i o (a) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 1 2 3 4 5 6 output voltage v o (v) input voltage v in (v) 0 5 10 15 20 25 30 35 40 fig.5 switching current vs. output saturation voltage fig.4 efficiency vs. input voltage output saturation voltage v sat (v) 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 switching current i sw (a) fig.6 operating dissipation current vs. input voltage input voltage v in (v) 0 5 10 15 20 25 30 35 40 operating dissipation current i q' (ma) fig.7 reference voltage fluctuation vs. junction temperature junction temperature tj (c) -25 0 25 50 75 100 125 -1.5 -1 -0.5 0 0.5 1.0 1.5 reference voltage fluctuation (%) efficiency (%)
4 sheet no.: op06039a PQ1CY1032ZXH 0 t j = 25 v in = 12v v o = 5v t j = 25 c v o = 5v i o = 0.5a v in = 12v v o = 5v 8 6 4 2 0 2 4 8 6 v in = 12v v thh v thl v th (on) v in = 12v output current i o (a) 0 0.5 1 1.5 2 2.5 3 -0.5 0.5 1 1.5 load regulation r eg l (%) input voltage v in (v) 0 5 10 15 20 25 30 35 40 0 -0.5 0.5 1 1.5 line regulation r eg i(%) fig.9 line regulation vs. input voltage fig.8 load regulation vs. output current junction temperature tj (c) -25 0 25 50 75 100 125 -6 -4 -2 0 2 4 6 oscillation frequency fluctuation (%) fig.10 oscillation frequency fluctuation vs. junction temperature junction temperature tj (c) -25 0 25 50 75 100 125 overcurrent detecting level fluctuation (%) fig.11 overcurrent detecting level fluctuation vs. junction temperature junction temperature tj (c) -25 0 25 50 75 100 125 fig.12 on threshold voltage vs. junction temperature 0 0.5 1 1.5 2 2.5 3 threshold voltage v th(on) , v thl , v thh (v) fig.13 overcurrent shutdown threshold voltage vs. junction temperature junction temperature tj (c) -25 0 25 50 75 100 125 overcurrent shutdown threshold voltage v thil (v) 3 3.5 4 4.5 5 5.5 6
5 sheet no.: op06039 PQ1CY1032ZXH fig.15 block diagram fig.16 step down type circuit diagram volt age regulator o c silla ti on c ir cuit q s r ov ercurre nt de tect ion ci rcuit ov erheat de tect ion ci rcuit co m on /off ci rcuit soft s tart ci rcuit _ + _ + f/f p w m c o mp . erro r amp . v ref _ + v s' 1 2 3 4 5 v in o adj v soft v out l d 5 3 4 pq1cy1032z r 1 r 2 r s v o 5v c o c in c s v in + + 45 h 1 000 f r s 50k 220 f 8 to 35v 3k 1k on /off control si gn al load ? -20 0 25 50 75 85 100 125 0 1 2 3 4 6 5 cu area 3600mm 2 cu area 900mm 2 cu area 400mm 2 cu area 115mm 2 ambient temperature ta (c) power dissipation p d (w) fig.14 power dissipation vs. ambient temperature (typical value) material : glass-cloth epoxy resin size cu thickness mounting pcb pcb cu : 60601.6mm : 65 m
6 sheet no.: op06039 PQ1CY1032ZXH fig.17 polarity inversion type circuit diagram 1 2 l d 5 3 4 + + pq1cy1032z 0.47 1 f 100k 680k v in 5 to 30v c in 220 f c s r s 65 h r 2 3k r 1 1k c o 2200 f v o -5v on/off control signal load in case of polarity is reverse, depending on the conditions,there is cases that output voltage can not gain, please use this device after confirming the output voltage at the actual conditions.
|
