1 sheet no.: op06041 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. parameter symbol rating unit 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 c -0.3 to +40 v switching current i sw 1.5 a power dissipation p d 8 w *1 *2 *3 *4 *5 junction temperature t j 150 operating temperature t opr -40 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 *4 p d :with infinite heat sink features outline dimensions (unit:mm) lead finish:lead-free solder plating (composition: sn2cu) applications absolute maximum ratings pq1cz41h2zxh pq1cz41h2zxh on/off control voltage voltage between on/off control and com terminal to-220 type chopper regulator, built-in 300khz oscillation circuit epoxy resin (0.5) (1.7) (0.9) (0.5) (0 to 0.25) 6.6 max. 9.7 max. 5.5 0.5 2.5 min. 5.2 0.5 2.3 0.5 4-(1.27) 3 1 2 3 4 5 0.5 +0.2 -0.1 1. maximum switching current: 1.5a 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.300khz) 5.built-in overheat protection function,overcurrent protection function 6.sc-63 surface mount type package 7.variable output voltage (output variable range: v ref to 35v/?v ref to ?30v) [possible to select step-down output/inversing output according to external connection circuit] 8. PQ1CZ41H2ZZH : sleeve-packaged product pq1cz41h2zph : tape-packaged product 9. rohs directive compliant 1.color tv,stb 2.lcd monitors 3.facsimiles,plinters and other oa equipment 4.cd-rom drives/dvd-rom drivers 5.air conditioners *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. v in v out com(connected with heat sink) o adj on/off control ( ) : typical dimensions product mass:(0.3g) 1cz41h h lead finish identification mark
2 sheet no.: op06041 electrical characteristics 270 300 330 khz 3 parameter symbol conditions min. max. unit output saturation voltage 0.9 1.5 v reference voltage 1.235 1.26 1.285 v reference voltage temperature fluctuation typ. i sw =1a v sat v ref t j =0 to 125 0.5 % load regulation |r eg l| i o =0.2 to 1a 0.2 1.5 % line regulation |r eg i| v in =8 to 35v 1.2 2.5 % % efficiency i o =1a 84 oscillation frequency f o oscillation frequency temperature fluctuation t j =0 to 125 % overcurrent detecting level i l 1.55 2.0 2.6 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 =1.1v, terminal 1.3 2.3 v v v on threshold voltage v th(on) terminal=0v, terminal 0.7 0.8 0.9 stand-by current 140 400 output off-state dissipation current 812 fig.1 test circuit (unless otherwise specified,condition shall be v in =12v,i o =0.2a,v o =5v,on-off terminals is open,t a =25 ) l d pq1cz41h2zxh + + a a a fig.2 power dissipation vs.ambient temperature pq1cz41h2zxh i sd v in =40v, terminal=0v i qs v in =40v, terminal=0v, terminal =0.9v ma i sd i qs v in ? c in i chg r 2 r 1 i o v o c o load l hk-08s070-6500 (made by toho co.) d erc80-004 (made by fuji electronics co.) note) oblique line portion:overheat protection may operate in this area 20 0 25 50 75 100 125 150 0 5 8 10 0123 4 0 1 2 3 4 5 6 ambient temperature t a (c) power dissipation p d (w) p d :with infinite heat sink fig.3 overcurrent protection characteristics (typical value) output current i o (a) output voltage v o (v) on/off control logic output off on 5 pin low high open on switching current peak
3 sheet no.: op06041 pq1cz41h2zxh 010 203040 50 60 70 80 90 100 v o 5v,i o =0.2a v o 5v,i o =1a v o 12v,i o =0.2a v o 12v,i o =1a tj=25 c input voltage v in (v) efficiency (%) tj=25 c 0 0.5 1 1.5 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 switching current i sw (a) output saturation voltage v sat (v) fig.5 output saturation voltage vs. switching current 010 203040 0 50 100 150 200 250 tj=25 c fig.6 stand-by current vs. input voltage intput voltage v in (v) standby current i sd ( a) fig.4 efficiency vs. input voltage fig.7 reference voltage fluctuation vs. junction temperature junction temperature t j (c) reference voltage fluctuation (%) 0 0.2 0.4 0.6 0.8 -0.5 1 1.2 0 0.5 1 1.5 tj=25 c v in =12v v o 5v fig.8 load regulation vs. output current output current i o (a) load regulation r eg l(%) 010203040 -0.5 0 0.5 1 1.5 tj=25 c v o =5v i o 0.2a fig.9 line regulation vs. input voltage input voltage v in (v) line regulation regi (%) -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 -25 0 25 50 75 100 125 -40 v in =12v v o 5v
4 sheet no.: op06041 pq1cz41h2zxh fig.10 oscillation frequency fluctuation vs. junction temperature junction temperature t j (c) oscillation frequency fluctuation f o (%) fig.11 overcurrent detecting level fluctuation vs. junction temperature overcurrent detecting level fluctuation (%) junction temperature t j (c) junction temperature t j (c) on threshold voltage v thon ,v thl ,v thh (v) fig.12 on threshold voltage vs. junction temperature i o =1a i o =0.2a no load 010 203040 5 6 10 7 8 9 tj=25 c v o =5v fig.13 operating dissipation current vs. input voltage input voltage v in (v) operating dissipation current i q ' (ma) fig.14 power dissipation vs. ambient temperature (typical value) ambient temperature t a (c) power dissipation p d (w) -10 -5 0 5 10 -25 0 25 50 75 100 125 -40 tj=25 c -10 -5 0 5 10 -25 0 25 50 75 100 125 -40 v in =12v v o 5v 0 0.5 1 1.5 2 2.5 3 -25 0 25 50 75 100 125 -40 v in =12v v thon v thh v thl 0 0.5 1 1.5 -20 0 20 40 60 80 100 -40 120 125 85 2 cu area 740mm 2 cu area 180mm 2 cu area 100mm 2 cu area 70mm 2 cu area 36mm 2 material : glass-cloth epoxy resin size cu thickness mounting pcb pcb cu : 50501.6mm : 35 m
5 sheet no.: op06041 fig.15 block diagram pq1cz41h2zxh voltage regulator overcurrent detection circuit overheat detection circuit on/off circuit q r s f/f 2 5 4 1 3 com pwm comp. _ + _ + error amp. soft start oscillator v in v out on/off control o adj v ref d 5v + + 8 to 35v 3k 1k l pq1cz41h2zxh v in ? c in r 2 r 1 c o load c s r s on/off control signal v o on/off control signal fig.16 step down type circuit diagram fig.17 polarity inversion type circuit diagram 1 2 d 5 3 4 + + load v in 5 30v c in 100 f pq1cz41h2zxh c s r s l 65 h r 2 3k r 1 1k c o 2200 f v o -5v 0.47 1 f r s Q 50k 100k 680k in case that 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.
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