1 sheet no.: op06034 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 applications absolute maximum ratings pq070xh02zxh pq070xh02zxh model line-up (unit : mm) 0 to 0.25 ? 2 epoxy resin (0.6) 1 gnd 1 2 3 4 5 6 5 4 3 2 lead finish:lead-free solder plating (composition: sn2cu) h lead finish identification mark product mass:(1.0g) ( ) : typical dimensions dc input (v in ) on/off control terminal (v c ) dc output (v o ) dc output (v o ) low voltage operation low power-loss voltage regulator 1.low voltage operation (minimum operating voltage: 2.35v) 2.output current : 2a 3.low dissipation current (dissipation current at no load: max. 2ma output off-state dissipation current: max.5 a) 4.low power-loss (v i-o 0.5v max at i o =2a) 5.built-in overcurrent and overheat protection functions 6.to-263 package 7.rohs directive compliant 1.peripheral equipment of personal computers 2.power supplies for various electronic equipment such as dvd player or stb output current (i o ) package type variable output taping sleeve PQ070XH02ZPH pq070xh02zzh 2a parameter symbol rating unit 2 v v input voltage 35 w c power dissipation *1 *3 *2 junction temperature 150 operating temperature -40 to +85 storage temperature -40 to +150 soldering temperature 260(10s) 10 (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 *3 overheat protection may operate at tj:125c to 150c v in 10 a on/off control terminal voltage v c t sol t stg t opr t j p d i o output adjustment terminal voltage *1 v adj 5 v 070xh02 (heat sink is common to ) output voltage adjustment (v adj ) 10.6 max. 3.28 0.5 (0.55) 13.7 max. 8.4 0.5 (0.6) (0.45) 1.05 +0.2 ?0.1 3?0.9 +0.2 ?0.1 (0.6) (0.45) 1.05 +0.2 ?0.1 4?(1.7) 3.5 0.5 (0.6) (2.4) (1.3) 1 2 3 5 4 specific ic
2 sheet no.: op06034 electrical characteristics v % 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 - 0.2 1.0 - 60 rr 200 - - - quiescent current output off-state consumption current pq070xh02zxh input voltage 4 - - 45 % - refer to fig.2 - 5 - off-state voltage for control v 0.2 % - - - 2.0 - v 0.8 - - - v off-state current for control 2 - 4 in case of opening control terminal , output voltage turns off (unless otherwise specified,condition shall be v in =5v,v o =3v(r 1 =1k ),i o =1a,ta=25 c) 10 2.35 - v in v o 7 1.5 - reference voltage r eg l v ref i o =5ma to 2a - v 1.275 1.225 1.250 r eg i v in =4 to 8v , i o =5ma temperature coefficient of reference voltage t c v ref tj=0 to +125c, i o =5ma 1.0 v c(on) dropout voltage i c(on) v i-o v in =2.85v , i o =2a 0.5 - - v v c(off) i c(off) a i q i o =0a i qs i o =0a, v c =0.4v a i o =0a 2 - 1 i o =0a,v c =0.4v ma a typ. + a a a 3 4 5 2 1 v v v o =v ref (1+r 2 /r 1 ) v in 0.33 f v c i c i q r 1 r 2 v ref 1k 47 f v o i o r l fig.1 test circuit eo + + 3 1 2 4 5 v ~ ~ f=120hz(sine wave) ei(rms)=0.5v v in =5v i o =0.3a rr=20log(ei(rms)/eo(rms)) ei v in 0.33 f v c 2.7v r 2 r 1 1k v ref 47 f i o r l fig.2 test circuit for ripple rejection + +
3 sheet no.: op06034 pq070xh02zxh -40 -20 0 25 50 75 85 100 125 150 0 5 10 15 20 25 30 35 40 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 (w) fig.3 power dissipation vs. ambient temperature output voltage v o (v) output current i o (a) fig.4 overcurrent protection characteristics fig.5 output voltage deviation vs. junction temperature fig.6 output voltage vs. input voltage input voltage v in (v) output voltage v o (v) fig.7 circuit operating current vs. input voltage input voltage v in (v) circuit operating current i bias (ma) fig.8 dropout voltage vs. junction temperature junction temperature t j ( ? c) dropout voltage v i-o (v) -30 -50 -10 -20 -40 30 20 10 40 0 50 -50 -25 0 25 50 75 100 125 v in =5v, v c =2.7v, i o =1a r 1 =1k ? r 2 =1.4k c in =100 f, c o =100 f junction temperature t j ( ? c) output voltage deviation v o (mv) 0 012345678910 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 r l =1.5 (i o =2a) r l =3 (i o =1a) r l = ? (i o =0a) v c =2.7v, t a =25 c r 1 =1k ,r 2 =1.4k ( on condition that v o =3v ) c in =0.33 f, c o =47 f 0 60 50 40 30 20 10 012345678910 r l =1.5 (i o =2a) r l =3 (i o =1a) r l = ? (i o =0a) v c =2.7v, t a =25 c c in =0.33 f, c o =47 f 0 -50 -25 0 25 50 75 100 125 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 v in =2.85v, v c =2.7v r 1 =1k , r 2 =1.4k c in =100 f,c o =100 f i o =2a i o =1a 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 7v 5v 10v v in =4.5v 5.5v v c =2.7v, t a =25 c r 1 =1k ,r 2 =1.4k ( on condition that v o =3v ) c in =0.33 f, c o =47 f
4 sheet no.: op06034 ambient temperature ta (c) pq070xh02zxh 0 2 1 -50 -25 0 25 50 75 100 125 0.5 1.5 2.5 v in =5v r 1 =1k , r 2 =1.4k i o =0a, c in =100 f, c o =100 f fig.9 on-off control voltage vs. junction temperature junction temperature tj (c) on-off control voltage v c(on/off) (v) 0 2 1 -50 -25 0 25 50 75 100 125 0.5 1.5 v in =5v, r 1 =1k , r 2 =1.4k v c =2.7v, i o =0a, c in =100 f c o =100 f fig.10 quiescent current vs. junction temperature junction temperature tj (c) quiescent current iq(ma) 0.1 1 10 100 0 80 70 60 50 40 30 20 10 fig.11 ripple rejection vs. input ripple frequency input ripple frequency f (khz) ripple rejection rr (db) e i(rms) =0.5v, v in =v o (typ)+2v v c =2.7v,i o =0.5a, c o =47 f, t a =25 c r 1 =1k ,r 2 =1.4k ( on condition that v o =3v ) 30 80 75 70 65 60 55 50 45 35 40 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 output current i o (a) ripple rejection rr (db) e i(rms) =0.5v, f=120hz v in =v o (typ)+2v v c =2.7v,c o =47 f, t a = 25 c r 1 =1k ,r 2 =1.4k ( on condition that v o =3v ) fig.12 ripple rejection vs. output current 0 1 2 3 4 5 6 -40 -20 0 20 40 60 80 cu area 3600mm 2 cu area 900mm 2 cu area 400mm 2 cu area 115mm 2 mounting pcb pcb cu material size cu thickness : glass-cloth epoxy resin : 60601.6mm : 65 m fig.13 power dissipation vs. ambient temperature (typical value) power dissipation p d (w)
5 sheet no.: op06034 pq070xh02zxh 0 1 2 3 4 5 6 7 8 9 10 100 r2 ( ) 10 3 10 4 r 1 =1k fig.14 output voltage adjustment characteristics (typical value) output voltage v o (v) typical application 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.14. 1 3 2 5 4 + load ? ? ? ? ? ? v in c in on/off signal high:output on low or open:output off r 2 r 1 1k c o v o 4 5 3 + v o = v ref (1 + r 2 /r 1 ) . = . 1.25 v ref v o r 2 r 1 [r 1 = 1k , v ref . = . 1.25v] (1 + r 2 /1000 ) +
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