View IP1522_4114715.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

- 1 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator the IP1522 is a dual output voltage series regulator which can provide up to 500ma of output current. the IP1522 consists of 1 - fixed 3.3v and 1 - fixed 1.65v regulators. - 1 - fixed 3.3v regulator with internal npn tr. - 1 - fixed 1.65v 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 IP1522 14soph - 8l - 35 o c ~ +85 o c ordering information 14soph - 8l block diagram vout2 vin vout1 on/off pgnd n/c 1 2 6 4 5 3 n/c 7 pgnd vref on/off control sw tsd ovp ocp n/c shut down
- 2 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator pin descriptions no symbol i/o description 1 vin i input supply voltage 2 vout1 o reg +3.3v output 3 vout2 o reg +1.65v output 4 on/off i on/off control 5 n/c - no connection 6 n/c - no connection 7 n/c - no connection 8 pgnd - power ground pin connections vout2 vin vout1 on/off pgnd n/c n/c pgnd n/c 1 2 6 4 5 3 7 IP1522
- 3 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator 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 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
- 4 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator electrical characteristics characteristics symbol condition min. typ. max. units quiescent current icc vcc=5.25v, no - load - 7 11 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 550 750 - ma temperature stability temp1 - - 0.5 - % output noise voltage 1 vn1 io=300ma - 100 - uv 1.65v regulator part output voltage vout2 io=10ma 1.6 1.65 1.7 v line regulation dvline2 vin=4.5~6v, io=10ma - 0.035 0.2 % load regulation dvload2 vin=5.25v, 10ma < io < 100ma - 0.4 0.8 % dropout voltage vdrop2 io=100ma - 2.5 2.8 v ripple rejection rr2 f=120hz, co=10uf tantalum (vin - vout)=3v, io=50ma 60 70 - db current limit *note ilimit2 vin - vout=4v 120 - - ma temperature stability temp2 - - 0.5 - % output noise voltage 2 vn2 io=60ma - 100 - uv ( vin= 5.25v, co=10uf, ta = 25 o c, unless otherwise specified.)
- 5 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator electrical characteristics (continued) on/off control part on voltage von vout=enabled - - 0.8 v off voltage voff vout=disabled 2.0 - - v ( vin= 5.25v, co=10uf, ta = 25 o c, unless otherwise specified.) * note don?t exceed following current limit. ( iout1 : 550 ma, iout2 : 120 ma )
- 6 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator application summary - on / off when you want to control output of the IP1522, use pin #4 as follows pin#4 IP1522 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
- 7 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator typical application circuit vinput 1.65v 10uf 10uf 3.3v vout2 vin vout1 on/off pgnd n/c n/c pgnd n/c 1 2 6 4 5 3 7 IP1522 von/off h l
- 8 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator internal circuit pin no pin name internal circuit 2 regulator output1 3 regulator output2 3 2
- 9 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator pin no pin name internal circuit 4 on / off 4 internal circuit (continued)
- 10 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator electrical characteristics curves -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) 0 2 4 6 8 10 0 2 4 6 8 10 vcc (v) icc (ma) vcc vs icc
- 11 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator 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 20 40 60 80 100 120 140 1.2 1.4 1.6 1.8 2.0 2.2 iload2 vs vdrop2 dropout voltage2 (v) output current2 (ma)
- 12 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator 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 50 100 150 200 250 1.60 1.62 1.64 1.66 1.68 vout2 load regulation (tj=25 o c) output voltage2 (v) output current2 (ma)
- 13 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator 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=10ma io=10ma io=100ma vout2 load transient response output voltage deviation (mv) time (usec)
- 14 - august. 2002 (rev.6) www.interpionsemi.com IP1522 dual output voltage series regulator 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 IP1522

	To Download IP1522 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .