View IP1520_4114713.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

august. 2002 (rev.0) - 1 - IP1520 dual output voltage series regulator www.interpionsemi.com the IP1520 is a dual output voltage series regulator which can provide up to 600ma of output current. the IP1520 consists of 1 - fixed 3.3v and 1 - fixed 2.55v regulators. - 1 - fixed 3.3v regulator with internal npn tr. - 1 - fixed 2.55v regulator with internal npn tr. - built - in tsd circuit. - built - in current limit circuit. - built - in on/off control circuit. - built - in over voltage protection circuit. - output trimm ed to +/ - 3% tolerance d escription f eatures device package operating temp IP1520 14soph - 8l - 35 o c ~ +85 o c ordering information 14soph - 8l block diagram n/c vin vout1 on/off pgnd vout2 1 2 6 4 5 3 n/c 7 pgnd vref on/off control sw tsd ovp ocl n/c shut down
august. 2002 (rev.0) - 2 - IP1520 dual output voltage series regulator www.interpionsemi.com pin descriptions no symbol i/o description 1 vin i input supply voltage 2 vout1 o reg +3.3v output 3 n/c - no connection 4 on/off i on/off control 5 vout2 o reg +2.55v output 6 n/c - no connection 7 n/c - no connection 8 pgnd - power ground pin connections n/c vin vout1 on/off pgnd vout2 n/c pgnd n/c 1 2 6 4 5 3 7 IP1520
august. 2002 (rev.0) - 3 - IP1520 dual output voltage series regulator www.interpionsemi.com characteristics symbol value unit maximum supply voltage vinmax 10 v on/off voltage vonoff 10 v power dissipation pd 3.5* w operating temperature topr - 35 ~ +85 o c storage temperature tstr - 55 ~ +150 o c maximum output current iomax 700 ma note> 1. when mounted on 100mm x 100mm x 1mm pcb (phenolic resin material). 2. power dissipation reduces 28mw/ o c for using ab ove ta=25 o c 3. do not exceed pd and soa. power dissipation curve power dissipation (w) ambient temperature ( c ) 25 50 75 100 125 150 175 0 1 2 3 recommended operating conditions characteristics symbol value unit supply voltage vcc 4.5 ~ 6.0 v input voltage vin 4.5 ~ 6.0 v soa absolute maximum ratings(ta=25 o c) 4
august. 2002 (rev.0) - 4 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics characteristics symbol condition min. typ. max. units quiescent current icc vcc=5.25v, no - load - 9 14 ma ovp detecting vol t age vovp vcc=variable 6.5 - - v 3.3v regulator part output voltage vout1 io=10ma 3.2 3.3 3.4 v line regulation dvline1 vin=4.5~6v, io=10ma - 0.035 0.2 % load regulation dvload 1 vin=5.25v, 10ma < io < 500ma - 0.4 0.8 % dropout voltage vdrop1 io=500ma - 1.1 1.3 v ripple rejection rr1 f=120hz, co=10uf tantalum (vin - vout)=3v, io=200ma 60 70 - db current limit *note ilimit1 vin - vout=2.5v 550 - - ma temperature stability temp1 - - 0.5 - % 2.55v regulator part output voltage vout2 io=10ma 2.473 2.55 2.626 v line regulation dvline2 vin=4.5~6v, io=10ma - 0.035 0.2 % load regulation dvload2 vin=5.25v, 10ma < io < 300ma - 0.4 0.8 % dropout voltage vdrop2 io=300ma 1.7 2.1 v ripple rejection rr2 f=120hz, co=10uf tantalum (vin - vout)=3v, io=100ma 60 70 db current limit *note ilimit2 vin - vout=3.0v 500 - - ma temperature stability temp2 - - 0.5 - % output noise voltage 1 vn1 io=300ma - 100 - uv output noise voltage 2 vn2 io=150ma - 100 - uv ( vin= 5.25v, co=10uf, ta = 25 o c, unless otherwise specified.)
august. 2002 (rev.0) - 5 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics (continued) ( vin= 5.25v, co=10uf, ta = 25 o c, unless otherwise specified.) parameter symbol condition min. typ. max. units on/off control part on voltage von vout=enabled - - 0.8 v off voltage voff vout=disabled 2.0 - - v * note don?t exceed following current limit. ( iout1 : 550 ma, iout2 : 500 ma )
august. 2002 (rev.0) - 6 - IP1520 dual output voltage series regulator www.interpionsemi.com application summary - on / off when you want to control output of the IP1520, use pin #4 as follows pin#4 IP1520 high off low on on/off function as shown in figure pin#4 is positive input of the comparator, and the other input is threshold voltage. if the voltage of the pin#4 rises above threshold voltage, then tr q1 will be saturated and the main bias current will be shut down. pin#4 vth main bias q1
august. 2002 (rev.0) - 7 - IP1520 dual output voltage series regulator www.interpionsemi.com typical application circuit vinput 2.55v 10uf 10uf 3.3v n/c vin vout1 on/off pgnd vout2 n/c pgnd n/c 1 2 6 4 5 3 7 IP1520 von/off h l
august. 2002 (rev.0) - 8 - IP1520 dual output voltage series regulator www.interpionsemi.com internal circuit pin no pin name internal circuit 2 regulator output1 5 regulator output2 5 2
august. 2002 (rev.0) - 9 - IP1520 dual output voltage series regulator www.interpionsemi.com pin no pin name internal circuit 4 on / off 4 internal circuit (continued)
august. 2002 (rev.0) - 10 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics curves 0 2 4 6 8 10 0 2 4 6 8 10 vcc vs icc icc (ma) vcc (v) -50 0 50 100 150 1.630 1.635 1.640 1.645 1.650 1.655 1.660 1.665 1.670 vref temperture stability vref (v) temp ( o c)
august. 2002 (rev.0) - 11 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics curves (continued) 0 100 200 300 400 500 600 700 800 0.6 0.8 1.0 1.2 1.4 iload1 vs vdrop1 dropout voltage1 (v) output current1 (ma) 0 200 400 600 800 1.2 1.4 1.6 1.8 2.0 iload2 vs vdrop2 dropout voltage2 (v) output current2 (ma)
august. 2002 (rev.0) - 12 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics curves (continued) 0 200 400 600 800 1000 1200 3.20 3.25 3.30 3.35 3.40 vout1 load regulation (tj=25 o c) output voltage1 (v) output current1 (ma) 0 200 400 600 800 1000 1200 2.48 2.50 2.52 2.54 2.56 2.58 vout2 load regulation (tj=25 o c) output voltage (v) output current (ma)
august. 2002 (rev.0) - 13 - IP1520 dual output voltage series regulator www.interpionsemi.com electrical characteristics curves (continued) 0 20 40 60 80 100 -300 -200 -100 0 100 200 io=50ma io=50ma io=450ma vout1 load transient response output voltage deviation (mv) time (usec) 0 20 40 60 80 100 -300 -200 -100 0 100 200 io=50ma io=50ma io=350ma vout2 load transient response output voltage deviation (mv) time (usec)
august. 2002 (rev.0) - 14 - IP1520 dual output voltage series regulator www.interpionsemi.com package dimension 14soph - 8l #1 6.00 0.30 (0.236 0.012) 3.95 0.2 (0.156 0.008) 5.72 (0.225) 0.60 0.20 (0.024 0.008) 0.20 +0.10 -0.05 (0.008,+0.004,-0.002) 0~8 0.47 (0.019) 0.406 +0.10 -0.05 (0.008,+0.004,-0.002) 1.27typ (0.050typ) 1.80max (0.071max) min0.05 (min0.002) 1.55 0.10 (0.061 0.004) 2.946 4.216 8.56 0.20 ( 0.347 0.008 ) 8.70max (0.343max)

▲Up To Search▲

Price & Availability of IP1520

	To Download IP1520 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .