1 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. features outline dimensions lead finish:lead-free solder plating (composition: sn2cu) applications PQ035ZN1HZPH PQ035ZN1HZPH product mass:(0.2g) (unit : mm) sheet no.: op06078 low voltage operation,compact surface mount type low power-loss voltage regulator 1.low voltage output (v o =0.8 to 3.5v) 2.low voltage operation: v in (min)=1.7v 3.output current : 1.5a 4.built-in overcurrent and overheat protection functions 5.correspond to flow soldering 6.ceramic capacitor compatible 7.rohs directive compliant parameter symbol rating unit 1.5 v v input voltage 8w c power dissipation *1 *3 *2 junction temperature 150 operating temperature -40 to +85 storage temperature -40 to +150 soldering temperature 260(10s) 5.5 absolute maximum ratings (ta=25 c ) bias supply voltage output current *1 c c c *1 all are open except gnd and applicable terminals. *2 p d :with infinite heat sink output voltage adjustment (v adj ) gnd 1 2 3 4 5 specific ic dc input (v in ) bias power supply (v b ) dc output (v o ) epoxy resin ( ) : typical dimensions 7 a (0.3) (1.7) (0.9) (0.3) 035zn1h 3 1 2 4 5 6.6 max. 2.5 min. 9.7 max. 5.2 0.5 5.5 0.5 2.1 0.5 (0 0.25) 0.3 +0.2 -0.1 4-(1.27) 0.7 max. 1.av equipment 2.oa equipment 1 2 3 5 h lead finish identification mark *1 output adjustment pin voltage t sol t stg t opr t j p d i o v b v in v 5 v adj 4 *3 there is case that over heat protection function operates at the temperature tj=125c to 150c,this item cannot be used in this temperature range.
2 sheet no.: op06078 electrical characteristics v db parameter output voltage load regulation line regulation ripple rejection symbol conditions min. max. unit - 0.3 1.0 - 0.5 rr2 2 - - input voltage - % - refer to fig.3 - 1.5 v % - - PQ035ZN1HZPH unless otherwise specified,condition shall be v in =1.8v,v b =3.3v,v o =1.2v(r1=1k ),i o =0.5a,ta=25 c v in v o r eg l i o =5ma to 1.5a r eg i v in =1.7v to 5.5v,v b =2.35 to 7v , i o =5ma temperature coefficient of reference voltage t c v ref tj=0 to +125c, i o =5ma 0.3 i b ma bias power supply input current 53 - 60 1.7 - 5.5 2.35 - 7.0 bias supply voltage v b - v 1.0 % rr1 refer to fig.2 db fig.1 test circuit fig.2 test circuit for ripple rejection (1) 0.8v v o 1.2v 1.2v v o 3.5v v o +0.5 5.5 - 0.8 - 3.5 v reference voltage v ref - 0.57 0.63 v 0.6 typ. a a 3 4 5 2 1 v v v o =v ref (1+r 2 /r 1 ) [r 1 =1k , v ref P 0.6v] v o v in 1 f v b i b r 2 r 1 1k v ref 10 f i o r l 1 f f=120hz(sine wave) ei(rms)=0.1v v in =1.8v v b =3.3v v o =1.2v(r1=1k ) i o =0.3a rr=20log(ei(rms)/eo(rms)) 3 4 5 2 1 1 f v b r 2 r 1 1k v ref 10 f i o r l 1 f ei ~ v in 1.8v 3.3v + eo v ~ i o =0a
3 sheet no.: op06078 PQ035ZN1HZPH fig.5 overcurrent protection characteristics output voltage v o (v) output current i o (a) fig.4 power dissipation vs. ambient temperature fig.3 test circuit for ripple rejection (2) 0 5 8 10 -40 -20 0 25 50 85 75 125 100 150 p d :with infinite heat sink ambient temperature t a (c) note) oblique line portion:overheat protection may operate in this area. power dissipation p d (mw) f=120hz(sine wave) eb(rms)=0.1v v in =1.8v v b =3.3v v o =1.2v(r1=1k ) i o =0.3a rr=20log(eb(rms)/eo(rms)) fig.6 output voltage adjustment characteristics(typical value) 3 4 5 2 1 1 f v b r 2 r 1 1k v ref 10 f i o r l 1 f eb ~ v in 1.8v 3.3v + eo v ~ 0 1.0 2.0 1.5 0.5 2.5 3.0 0 0.2 0.6 0.8 0.4 1.0 1.2 3.5 4.0 v b =3.3v r1=r2=1k (v o =1.2v) c in =c b= 1 f c o =10 f t a =room temp. v in =1.7v v in =2.5v v in =3.3v v in =5.5v output voltage v o (v) 0 1000 2000 3000 4000 0.2 0.4 0.6 2.2 2.4 0 2.6 r2( ) 5000 0.8 1 1.2 1.4 1.6 1.8 2 2.8 3 3.2 3.4 3.5 r1=1k
4 sheet no.: op06078 PQ035ZN1HZPH fig.7 power dissipation vs. ambient temperature (typical value) ambient temperature ta (c) power dissipation p d (w) mounting pcb pcb cu material size cu thickness : glass-cloth epoxy resin : 50501.6mm : 35 m 0 1 0.5 1.5 -40 -20 0 20 40 60 80 100 120 2.0 cu area 740mm 2 cu area 180mm 2 cu area 100mm 2 cu area 70mm 2 cu area 36mm 2 + ? 5 4 3 setting of output voltage v ref r 2 r 1 v o output voltage is able to set (0.8v to 3.5v) when resistors r 1 , r 2 are attached to , , terminals. as for the external resistors to set output voltage, refer to the following figure and fig.6. v o =v ref (1+r 2 /r 1 ) [r 1 =1k , vref P 0.6v]
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