unisonic technologies co., ltd 78NXX linear integrated circuit www.unisonic.com.tw 1 of 7 copyright ? 2012 unisonic technologies co., ltd qw-r101-033.c 3-terminal 300ma positive voltage regulator ? description the utc 78NXX family is monolithic fixed voltage regulator integrated circuit. they are suitable for applications requiring supply current up to 300ma. ? features * output current up to 300ma * fixed output voltage of 5v, 6v, 8v * thermal overload shutdown protection * short circuit current limiting ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 78NXXl-ab3-r 78NXXg-ab3-r sot-89 o g i tape reel 78NXXl-aa3-r 78NXXg-aa3-r sot-223 o g i tape reel note: xx: output voltage, re fer to marking information
78NXX linear integrated circuit unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r101-033.c ? marking information package voltage code marking sot-89 05:5.0v 06:6.0v 08:8.0v 123 date code voltage code 78n g: halogen free l: lead free sot-223 ? block circuit 1 3 2 gnd output input r13 r17 r9 z2 t12 t14 r19 r18 r12 r11 r10 r8 t8 t9 t13 t10 r14 t11 t5 t6 r5 t4 z1 r15 t15 r16 r1 r2 r4 c1 r6 t7 t3 t1 t2 r3 r7
78NXX linear integrated circuit unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r101-033.c ? absolute maximum rating (operating temperature range applie s, unless otherwise specified.) parameter symbol ratings unit input voltage v in 30 v output current i out 300 ma power dissipation sot-89 p d 550 mw sot-223 750 operating temperat ure (note 2) t opr -40~+150 c storage temperature t stg -55~+150 c note: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. it is guarantee by design, not 100% be tested. ? electrical characteristics (0c 78NXX linear integrated circuit unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r101-033.c ? electrical characteristics (cont.) for 78n08 (v in =14v, i out =40ma) parameter symbol test conditions min typ max unit output voltage v out t j =25c 7.68 8.0 8.32 v 10.5v Q v in Q v max , i out =1ma ~ 300ma (note 2) 7.60 8.40 v load regulation v out t j =25c,i out =1ma ~ 300ma 15 80 mv t j =25c,i out =1ma ~ 40ma 8.0 40 mv line regulation v out 10.5v Q v in Q 23v, t j =25c 10 175 mv 11v Q v in Q 23v, t j =25c 8 125 mv quiescent current i q 2.0 5.5 ma quiescent current change i q 11v Q v in Q 23v 1.5 ma 1ma Q v in Q 40ma 0.1 ma output noise voltage e n 10hz Q f Q 100khz 49 uv temperature coefficient of v out v o / ti out =5ma 0.75 mv/c ripple rejection rr 11v Q v in Q 23v,f=120hz,t j =25c 39 70 db dropout voltage v d t j =25c 1.7 v notes: 1. the maximum steady state usabl e output current are depen dent on input voltage, heat sinking, lead length of the package and copper pattern of pcb. the data above represent pulse test conditions with junction temperatures specified at the initiation of test. 2. power dissipation<0.5w
78NXX linear integrated circuit unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r101-033.c ? typical application circuit note 1. to specify an output voltage, substitute voltage value for "xx". 2. bypass capacitors are recommended for optimum stability and tr ansient response and should be located as close as possible to the regulators.
78NXX linear integrated circuit unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r101-033.c ? typical characteristics
78NXX linear integrated circuit unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r101-033.c ? typical characteristics(cont.) 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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