the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all products and/or types are available in every country. please check with an nec electronics sales representative for availability and additional information. 1993, 2007 bipolar analog integrated circuit pc79lxx series three terminal negative voltage regulator data sheet the mark shows major revised points. the revised points can be easily searched by copying an "" in the pdf file and specifying it in the "find what:" field. document no. g18530ej2v0ds00 (2nd edition) (previous no. ic-1944) date published january 2007 ns cp(n) printed in japan description the pc79lxx series are three-terminal n egative output voltage stabilization pow er supply circuit of fixed output voltage. it regulates non-stabilized dc input vo ltage to output stabilized fixed voltage. the four types of voltage value are ? 5 v, ? 8 v, ? 12 v, and ? 15 v, and they can be respectively used as power supply circuit with maximum current capacity 100 ma. features ? output current : 100 ma ? on-chip some protection circuits (over current protection, thermal shut down) ? low noise : 31 v r.m.s. ( pc79l05) ? high ripple rejection : 85 db ( pc79l05) ? to-92 package ordering information part number package output voltage marking package type pc79l05j 3-pin plastic sip (to-92) ? 5 v 79l05 packed in envelope pc79l05j-a note 3-pin plastic sip (to-92) ? 5 v 79l05 packed in envelope pc79l05j-t 3-pin plastic sip (to-92) ? 5 v 79l05 cube type taping 2500 pcs/cube pc79l05j-t-a note 3-pin plastic sip (to-92) ? 5 v 79l05 cube type taping 2500 pcs/cube pc79l08j 3-pin plastic sip (to-92) ? 8 v 79l08 packed in envelope pc79l08j-a note 3-pin plastic sip (to-92) ? 8 v 79l08 packed in envelope pc79l08j-t 3-pin plastic sip (to-92) ? 8 v 79l08 cube type taping 2500 pcs/cube pc79l08j-t-a note 3-pin plastic sip (to-92) ? 8 v 79l08 cube type taping 2500 pcs/cube pc79l12j 3-pin plastic sip (to-92) ? 12 v 79l12 packed in envelope pc79l12j-a note 3-pin plastic sip (to-92) ? 12 v 79l12 packed in envelope pc79l12j-t 3-pin plastic sip (to-92) ? 12 v 79l12 cube type taping 2500 pcs/cube pc79l12j-t-a note 3-pin plastic sip (to-92) ? 12 v 79l12 cube type taping 2500 pcs/cube pc79l15j 3-pin plastic sip (to-92) ? 15 v 79l15 packed in envelope pc79l15j-a note 3-pin plastic sip (to-92) ? 15 v 79l15 packed in envelope pc79l15j-t 3-pin plastic sip (to-92) ? 15 v 79l15 cube type taping 2500 pcs/cube pc79l15j-t-a note 3-pin plastic sip (to-92) ? 15 v 79l15 cube type taping 2500 pcs/cube note pb-free (this product does not contain pb in external electrode and other parts). remark output voltage ? 5 v product is written in the text as pc79l05. it applies to other output voltage products as same.
data sheet g18530ej2v0ds 2 pc79lxx series pin configuration (marking side) 3-pin plastic sip (to-92) equivalent circuit
data sheet g18530ej2v0ds 3 pc79lxx series absolute maximum ratings (t a = 25 c, unless otherwise specified) parameter symbol rating unit input voltage v in ? 30/ ? 35 note v internal power dissipation p t 700 mw operating ambient temperature t a ? 20 to + 85 c operating junction temperature t j ? 20 to + 150 c storage temperature t stg ? 55 to + 150 c thermal resistance (junction to ambient) r th(j ? a) 180 c/w note pc79l05, 08 : ? 30 v, pc79l12, 15 : ? 35 v caution product quality may suffer if the absolute maximum rating is exceeded even momentarily for any parameter. that is, the absolute maximum ratings are rated values at which the product is on the verge of suffering physical damage, and therefore the product must be used under conditions that ensure that the absolute maximum ratings are not exceeded. typical connection c in : required if regulator is located an appreciable di stance from power supply filter (more than 2.2 f). c out : connect it within 2 cm from output pin and gnd pin (more than 1 f). d 1 : needed for v in > v o . d 2 : needed for v o > gnd. recommended operating conditions parameter symbol type number min. typ. max. unit pc79l05 ? 7 ? 10 ? 20 v pc79l08 ? 10.5 ? 14 ? 23 v pc79l12 ? 14.5 ? 19 ? 27 v input voltage v in pc79l15 ? 17.5 ? 23 ? 30 v output current i o all 0 40 70 ma operating ambient temperature t a all ? 20 + 85 c operating junction temperature t j all ? 20 75 + 125 c
data sheet g18530ej2v0ds 4 pc79lxx series electrical characteristics pc79l05 (v in = ? 10 v, i o = 40 ma, 0 c t j + 125 c, c in = 2.2 f, c out = 1 f, unless otherwise specified) parameter symbol conditions min. typ. max. unit t j = 25 c ? 4.8 ? 5.0 ? 5.2 v output voltage v o ? 7 v v in ? 20 v, 1 ma i o 40 ma ? 4.75 ? 5.25 v line regulation reg in t j = 25 c, ? 7 v v in ? 20 v 3 60 mv load regulation reg l t j = 25 c, 1 ma i o 100 ma 10 50 mv quiescent current i bias t j = 25 c 4.2 6.0 ma ? 7 v v in ? 20 v, i o = 40 ma 0.5 ma quiescent current change i bias v in = ? 10 v, 1 ma i o 40 ma 0.1 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 31 200 v r.m.s. ripple rejection r?r t j = 25 c, ? 8 v v in ? 18 v, f = 120 hz 65 85 db dropout voltage v dif t j = 25 c 0.9 v short circuit current i oshort t j = 25 c, v in = ? 20 v 95 ma peak output current i opeak t j = 25 c 140 190 230 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.4 mv/ c pc79l08 (v in = ? 14 v, i o = 40 ma, 0 c t j + 125 c, c in = 2.2 f, c out = 1 f, unless otherwise specified) parameter symbol conditions min. typ. max. unit t j = 25 c ? 7.7 ? 8.0 ? 8.3 v output voltage v o ? 10.5 v v in ? 23 v, 1 ma i o 40 ma ? 7.6 ? 8.4 v line regulation reg in t j = 25 c, ? 10.5 v v in ? 23 v 5 60 mv load regulation reg l t j = 25 c, 1 ma i o 100 ma 12 80 mv quiescent current i bias t j = 25 c 4.3 6.0 ma ? 10.5 v v in ? 23 v, i o = 40 ma 0.5 ma quiescent current change i bias v in = ? 14 v, 1 ma i o 40 ma 0.1 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 56 220 v r.m.s. ripple rejection r?r t j = 25 c, ? 12 v v in ? 22 v, f = 120 hz 63 75 db dropout voltage v dif t j = 25 c 0.9 v short circuit current i oshort t j = 25 c, v in = ? 23 v 75 ma peak output current i opeak t j = 25 c 140 190 230 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.6 mv/ c
data sheet g18530ej2v0ds 5 pc79lxx series pc79l12 (v in = ? 19 v, i o = 40 ma, 0 c t j + 125 c, c in = 2.2 f, c out = 1 f, unless otherwise specified) parameter symbol conditions min. typ. max. unit t j = 25 c ? 11.5 ? 12.0 ? 12.5 v output voltage v o ? 14.5 v v in ? 27 v, 1 ma i o 40 ma ? 11.4 ? 12.6 v line regulation reg in t j = 25 c, ? 14.5 v v in ? 27 v 8 45 mv load regulation reg l t j = 25 c, 1 ma i o 100 ma 15 100 mv quiescent current i bias t j = 25 c 4.4 6.0 ma ? 14.5 v v in ? 30 v, i o = 40 ma 0.5 ma quiescent current change i bias v in = ? 19 v, 1 ma i o 40 ma 0.1 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 88 280 v r.m.s. ripple rejection r?r t j = 25 c, ? 15 v v in ? 25 v, f = 120 hz 55 70 db dropout voltage v dif t j = 25 c 0.9 v short circuit current i oshort t j = 25 c, v in = ? 27 v 50 ma peak output current i opeak t j = 25 c 140 190 230 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.8 mv/ c pc79l15 (v in = ? 23 v, i o = 40 ma, 0 c t j + 125 c, c in = 2.2 f, c out = 1 f, unless otherwise specified) parameter symbol conditions min. typ. max. unit t j = 25 c ? 14.4 ? 15.0 ? 15.6 v output voltage v o ? 17.5 v v in ? 30 v, 1 ma i o 40 ma ? 14.25 ? 15.75 v line regulation reg in t j = 25 c, ? 17.5 v v in ? 30 v 10 45 mv load regulation reg l t j = 25 c, 1 ma i o 100 ma 20 125 mv quiescent current i bias t j = 25 c 4.5 6.0 ma ? 17.5 v v in ? 30 v, i o = 40 ma 0.5 ma quiescent current change i bias v in = ? 23 v, 1 ma i o 40 ma 0.1 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 100 360 v r.m.s. ripple rejection r?r t j = 25 c, ? 18.5 v v in ? 28.5 v, f = 120 hz 55 65 db dropout voltage v dif t j = 25 c 0.9 v short circuit current i oshort t j = 25 c, v in = ? 30 v 25 ma peak output current i opeak t j = 25 c 140 190 230 ma temperature coefficient of output voltage v o / t i o = 5 ma 1.0 mv/ c
data sheet g18530ej2v0ds 6 pc79lxx series typical characteristics (t j = 25 c, unless otherwise specified)
data sheet g18530ej2v0ds 7 pc79lxx series
data sheet g18530ej2v0ds 8 pc79lxx series package drawing (unit: mm) g m 13 j u v f 3-pin plastic sip (to-92) a m y h note each lead centerline is located within 0.12 mm of its true position (t.p.) at maximum material condition. p3j-127b-3 item millimeters a f g h j m n u 5.0 0.2 0.12 5.0 0.5 4.0 0.2 0.50 v y 15.0 0.7 2.8 max. 0.50 0.10 1.27 1.33 max. + 0.30 ? 0.10 n
data sheet g18530ej2v0ds 9 pc79lxx series recommended soldering conditions the pc79lxx series should be soldered and mounted under the following recommended conditions. for soldering methods and conditions other than thos e recommended below, contact an nec electronics sales representative. for technical information, see the following website. semiconductor device mount manual (http: //www.necel.com/pkg/en/mount/index.html) through-hole devices pc79l05j, 79l08j, 79l12j, 79l15j, pc79l05j-a, 79l08j-a, 79l12j-a, 79l15j-a : 3-pin plastic sip (to-92) process conditions symbol wave soldering (only to leads) solder temperature: 260 c or below, flow time: 10 seconds or less, maximum number of flow processes: 1 time. ws60-00-1 partial heating method pin temperature: 350 c or below, heat time: 3 seconds or less (per each pin). p350 caution for through-hole device, the wave soldering pro cess must be applied only to leads, and make sure that the package body does not get jet soldered. reference documents document name document no. usage of three-terminal regulators user?s manual g12702e semiconductor device mount manual http://www.necel.com/pkg/en/mount/index.html review of quality and reliability handbook information c12769e
pc79lxx series the information in this document is current as of january, 2007. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec electronics data sheets or data books, etc., for the most up-to-date specifications of nec electronics products. not all products and/or types are available in every country. please check with an nec electronics sales representative for availability and additional information. no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec electronics. nec electronics assumes no responsibility for any errors that may appear in this document. nec electronics does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of nec electronics products listed in this document or any other liability arising from the use of such products. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec electronics or others. descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software and information in the design of a customer's equipment shall be done under the full responsibility of the customer. nec electronics assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec electronics endeavors to enhance the quality, reliability and safety of nec electronics products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. to minimize risks of damage to property or injury (including death) to persons arising from defects in nec electronics products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment and anti-failure features. nec electronics products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to nec electronics products developed based on a customer- designated "quality assurance program" for a specific application. the recommended applications of an nec electronics product depend on its quality grade, as indicated below. customers must check the quality grade of each nec electronics product before using it in a particular application. the quality grade of nec electronics products is "standard" unless otherwise expressly specified in nec electronics data sheets or data books, etc. if customers wish to use nec electronics products in applications not intended by nec electronics, they must contact an nec electronics sales representative in advance to determine nec electronics' willingness to support a given application. (note) ? ? ? ? ? ?
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