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 PQ070XN01ZPH PQ070XN01ZPH product mass:(0.2g) (unit : mm) sheet no.: op06079 low voltage operation,compact surface mount type low power-loss voltage regulators 1.low voltage operation (minimum operating voltage: 2.35v) 2.output current : 1a 3.low dissipation current (dissipation current at no load: max. 2ma output off-state dissipation current: max.5 a) 4. built-in on/off function 5.built-in overcurrent and overheat protection functions 6.correspond to flow soldering 7.rohs directive compliant parameter symbol rating unit 1 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) 10 absolute maximum ratings (ta=25 c ) output current *1 c c c *1 all are open except gnd and applicable terminals. *2 p d :with infinite heat sink gnd 1 2 3 4 5 specific ic dc input (v in ) on/off control terminal (v c ) dc output(v o ) epoxy resin ( ) : typical dimensions 10 a (0.3) (1.7) (0.9) (0.3) 070xn01 3 1 2 4 5 1 4 3 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. h lead finish identification mark output control voltage 1.personal computers and peripheral equipment 2.power supplies for various digital electronic equipment such as dvd player or stb 2 output voltage adjustment(v adj ) v in v c i o p d t j t opr t stg t sol output adjustment pin voltage v adj v 5 *1 *3 there is case that over heat protection operates at the temperature tj:125c to 150c, so this item cannot be used in this temperature range.
2 sheet no.: op06079 electrical characteristics % db parameter output voltage load regulation line regulation ripple rejection on-state voltage for control on-state current for control symbol conditions min. max. unit 2.0 - 60 rr 200 - - - - quiescent current output off-state dissipation current - - - refer to fig.2 - 2 off-state voltage for control 2 v - - 2.0 v - - - v off-state current for control 0.8 - PQ070XN01ZPH (unless otherwise specified,condition shall be v in =5v,v o =3v(r1=1k ),i o =0.5a,v c =2.7v,ta=25 c) v o r eg l i o =5ma to 1a r eg i temperature coefficient of reference voltage t c v ref tj=0 to +125c, i o =5ma 1.0 v c(on) i c(on) v c(off) i c(off) i q i qs i o =0a i o =0ma i o =0ma, v c =0.4v a a ma a v i-o 0.5 1.25 v 4 in case of opening control terminal , output voltage turns off 4 v in =4 to 8v,i o =5ma v in =2.85v, i o =0.5a v c =0.4v 1.5 7 % 1.0 - - input voltage v in - v 2.35 10 - - dropout voltage v ref reference voltage - 1.225 1.275 % - v - 5 -- typ. 0.2 0.2 1 fig.1 test circuit a a 3 4 5 1 v v v in 0.33 f 47 f v ref v o i o r l i q a v c i c 2 r 2 r 1 1k + fig.2 test circuit for ripple rejection ei eo 3 1 4 5 v ~ ~ 0.33 f i o r l + v in f=120hz(sine wave) ei(rms)=0.5v v in =5v v o =3v(r1=1k ) i o =0.3a rr=20log(ei(rms)/eo(rms)) v c 2 2.7v v ref r 2 r 1 1k 47 f + v o =v ref (1+r 2 /r 1 ) [r 1 =1k , v ref P 1.25v] + +
3 sheet no.: op06079 PQ070XN01ZPH fig.7 circuit operating current vs. input voltage fig.8 dropout voltage vs. ambient temperature fig.5 reference voltage vs. ambient temperature fig.6 output voltage vs. input voltage ambient temperature t a (c) note) oblique line portion:overheat protection may operate in this area. power dissipation p d (mw) fig.3 power dissipation vs. ambient temperature fig.4 overcurrent protection characteristics output current i o (a) output voltage v o (v) -40 -20 0 20 40 60 80 100 120 140 150 0 5 8 10 p d :with infinite heat sink 0 0.5 1 1.5 2 0 0.5 1 1.5 2 2.5 3 v in =4.5v v in =5v v in =5.5v v in =7v v in =10v v o =3v reference voltage v ref (v) ambient temperature ta (c) 1.23 1.235 1.24 1.245 1.25 1.255 1.26 i o =0.5a v in =4v v c =2.7v r 1 =1k r 2 =1.4k -50 -25 0 25 50 75 100 125 input voltage v in (v) output voltage v o (v) 5 4 3 2 1 0 0 0.5 1 1.5 2 2.5 3 3.5 v c =2.7v t a =room temp. r 1 =1k r 2 =1.4k (v o =3v) c in =0.33 f c o =47 f r l =3 (i o =1a) r l =6 (i o =0.5a) r l = (i o =0.3a) input voltage v in (v) circuit operating current i bias (ma) 012345 0 10 20 30 v c =2.7v t a = room temp. r 1 =1k r 2 =1.4k (v o =3v) c in =0.33 f c o =47 f r l =3 (i o =1a) r l =6 (i o =0.5a) r l = (i o =0a) dropout voltage v i-o (v) ambient temperature ta (c) -50 -25 0 25 50 75 100 125 0 0.05 0.1 0.15 0.2 0.25 i o =0.5a v in =2.35v v c =2.7v r 1 =1k r 2 =1.4k (v o =3v)
4 sheet no.: op06079 PQ070XN01ZPH fig.11 ripple rejection vs. output current fig.9 quiescent current vs. ambient temperature fig.10 ripple rejection vs. input ripple frequency ambient temperature ta (c) quiescent current i q (ma) -50 -25 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1 1.2 1.4 v in =4v i o =0a v c =2.7v r 1 =1k r 2 =1.4k (v o =3v) ripple rejection rr (db) input ripple frequency f (khz) 0.1 1 10 100 35 40 45 50 55 60 65 70 75 e i(rms) =0.5v v in =5v v c =2.7v i o =0.3a c o =47 f t a =room temp. r 1 =1k r 2 =1.4k (v o =3v) output current i o (a) ripple rejection rr (db) 0 0.25 0.5 0.75 1 40 45 50 55 60 65 70 75 e i(rms) =0.5v f=120hz v in =5v v c =2.7v c o =47 f t a =room temp. r 1 =1k r 2 =1.4k (v o =3v) fig.12 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 -40 -20 0 20 40 60 80 85 0 0.5 1 1.5 2 cu area 740mm 2 cu area 180mm 2 cu area 100mm 2 cu area 70mm 2 cu area 36mm 2
5 sheet no.: op06079 PQ070XN01ZPH 4 5 3 + - v o =v ref (1+r 2 /r 1 ) [r 1 =1k , vref P 1.25v] v o v ref r 2 r 1 setting of output voltage output voltage is able to set from 1.5v to 7v when resistors r 1 and r 2 are attached to , , terminals. as for the external resistors to set output voltage, refer to the figure below and fig.13. 1 3 5 4 load on/off signal high:output on low or open:output off v in c in v o c o r 2 r 1 1k 2 dc input + fig.13 output voltage adjustment characteristics output voltage v o (v) 0 1 2 3 4 5 6 7 8 9 10 100 1000 10000 r 2 ( ) r 1 =1k typical application +
|
