unisonic technologies co., ltd um605a/b linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2011 unisonic technologies co., ltd qw-r105-033.c operational amplifiers with 2.5v/1.25v shunt regulator ? description utc um605a/b that is designed to include 2 op amp and one shunt regulator for battery charger and ac adapter application. ? features * small sot-25 package * internal accurate 2.5v / 1.25v v ref * reduced external components ? ordering information ordering number lead free halogen free package packing um605al-af5-r um605ag-af5-r sot-25 tape reel UM605BL-AF5-R um605bg-af5-r sot-25 tape reel
um605a/b linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r105-033.c ? marking and pin description 5 4 321 ume2 g: halogen free l : lead free pin no. pin name function internal circuit diagram 1 out output pin 1 2 gnd ground 3 in a 4 in b input pin 3 4 5 v cc supply voltage
um605a/b linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r105-033.c ? block diagram
um605a/b linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r105-033.c ? absolute maximum ratings (ta = 25 , unless otherwise specified.) parameter symbol ratings unit supply voltage v cc -0.3 ~ +20 v recommended operating voltage v opr +4 ~ +20 v power dissipation p d 250 mw operating temperature t opr -25 ~ +85 storage temperature t stg -40 ~ +125 note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only an d functional device operat ion is not implied. ? electrical characteristics (v cc =5v, ta=25 , unless otherwise specified.) for um605a parameter symbol test conditions min typ max unit current consumption i cc in a =0v, in b =0v, r l = 2.4 3.4 ma a amplifier output inverting voltage v a in a =0v, r l =4.3k 2.45 2.50 2.55 v output sink current i o(sink a) in b =2.7v, in a =0v, v out =1.5v 5 ma input bias current i i(bias a) in a =0v, r l =4.3k 50 140 na psrr psrr(a) in a =0v, r l =4.3k 50 db b amplifier output inverting voltage v b in b =0v, r l =4.3k 152 160 mv output sink current i o(sink b) in b =0v, in a =0.17v, v out =1.5v 5 ma input bias current i i(bias b) in b =0v, r l =4.3k 50 140 na psrr psrr(b) in b =0v, r l =4.3k 65 db for um605b parameter symbol test conditions min typ max unit current consumption i cc in a =0v, in b =0v, r l = 1.2 1.7 ma a amplifier output inverting voltage v a in a =0v, r l =4.3k 1.225 1.25 1.275 v output sink current i o(sink a) in b =2.7v, in a =0v, v out =1.5v 5 ma input bias current i i(bias a) in a =0v, r l =4.3k 50 140 na psrr psrr(a) in a =0v, r l =4.3k 62 db b amplifier output inverting voltage v b in b =0v, r l =4.3k 152 160 mv output sink current i o(sink b) in b =0v, in a =0.17v, v out =1.5v 5 ma input bias current i i(bias b) in b =0v, r l =4.3k 50 140 na psrr psrr(b) in b =0v, r l =4.3k 65 db
um605a/b linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r105-033.c ? application circuit 4 5 1 23 + + + + + 0.1 f 8.3 /250v 0.022 f 0.033 f 100 100 2.7k 8.2k 56k 0.001 /1kv 680 /8v 100 /16v 51k 1m 360 100 68 h 0.1 f 0.1 f 0.22 360 2.2k 1k 2.2k 100 /16v b+ gnd utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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