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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. 1994 bipolar analog integrated circuit pc79mxx 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. g11629ej7v0ds00 (7th edition) date published january 2007 ns cp(n) printed in japan description the pc79mxx series are three-terminal negative output volt age stabilization power supply circuit of fixed output voltage. it regulates non-stabilized dc input vo ltage to output stabilized fixed voltage. the six types of voltage value are ? 5 v, ? 8 v, ? 12 v, ? 15 v, ? 18 v and ? 24 v, and they can be respectively used as power supply circuit with maximu m current capacity 500 ma. features ? output current : 500 ma ? on-chip some protection circuits (over current protection, so a protection and thermal shut down) ? low noise ordering information part number package output voltage marking package type pc79m05hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 5 v 79m05 packed in envelope pc79m05hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 5 v 79m05 packed in envelope pc79m08hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 8 v 79m08 packed in envelope pc79m08hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 8 v 79m08 packed in envelope pc79m12hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 12 v 79m12 packed in envelope pc79m12hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 12 v 79m12 packed in envelope pc79m15hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 15 v 79m15 packed in envelope pc79m15hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 15 v 79m15 packed in envelope pc79m18hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 18 v 79m18 packed in envelope pc79m18hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 18 v 79m18 packed in envelope pc79m24hf 3-pin plastic sip (mp-45g) (isolated to-220) ? 24 v 79m24 packed in envelope pc79m24hf-az note 3-pin plastic sip (mp-45g) (isolated to-220) ? 24 v 79m24 packed in envelope note pb-free (this product does not c ontain pb in external electrode). remark output voltage ? 5 v product is written in the text as pc79m05. it applies to other output voltage products as same.
data sheet g11629ej7v0ds 2 pc79mxx series pin configuration (marking side) 3-pin plastic sip (mp-45g) (isolated to-220) 1: gnd 2: input 3: output 123 equivalent circuit gnd r 21 q 17 q 16 r 16 r 15 c 2 q 10 q 11 q 13 q 12 q 9 q 14 q 15 q 3 c 1 r 2 r 1 r 9 r 8 r 7 r 10 r 11 r 12 d 3 d 1 d 4 d 5 r 13 q 8 r 4 d 2 q 4 q 2 q 1 q 5 q 7 d 8 q 6 r 3 r 5 r 6 r 17 d 6 d 7 r 18 r 20 r 19 r 23 r 22 r 14 output input
data sheet g11629ej7v0ds 3 pc79mxx series absolute maximum ratings (t a = 25 c, unless otherwise specified) parameter symbol rating unit input voltage v in ? 35/ ? 40 note1 v internal power dissipation p t 15 note2 w 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 case) r th(j ? c) 7 c/w thermal resistance (junction to ambient) r th(j ? a) 65 c/w notes 1. pc79m05, 08, 12, 15, 18 : ? 35 v, pc79m24 : ? 40 v 2. internally limited. when operating junction temperature rise above 150 c, the internal protection circuit shutdown output voltage. 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 out c in output input d 1 pc79mxx d 2 c in : required if regulator is located an appreciable distance from power supply filter. (more than 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 pc79m05 ? 7 ? 10 ? 25 v pc79m08 ? 10.5 ? 14 ? 25 v pc79m12 ? 14.5 ? 19 ? 30 v pc79m15 ? 17.5 ? 23 ? 30 v pc79m18 ? 21 ? 27 ? 33 v input voltage v in pc79m24 ? 27 ? 33 ? 38 v output current i o all 5 350 ma operating ambient temperature t a all ? 20 + 85 c operating junction temperature t j all ? 20 + 125 c
data sheet g11629ej7v0ds 4 pc79mxx series electrical characteristics pc79m05 (v in = ? 10 v, i o = 350 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 ? 25 v, 5 ma i o 350 ma ? 4.75 ? 5.25 v t j = 25 c, ? 7 v v in ? 25 v 18 50 mv line regulation reg in t j = 25 c, ? 8 v v in ? 18 v 10 30 mv t j = 25 c, 5 ma i o 500 ma 15 100 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 10 mv quiescent current i bias t j = 25 c 4.3 6.0 ma ? 8 v v in ? 25 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 45 200 v r.m.s. ripple rejection r?r t j = 25 c, ? 8 v v in ? 18 v, f = 120 hz, i o = 100 ma 50 72 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 25 v 500 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.2 mv/ c pc79m08 (v in = ? 14 v, i o = 350 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 ? 25 v, 5 ma i o 350 ma ? 7.6 ? 8.4 v t j = 25 c, ? 10.5 v v in ? 25 v 20 80 mv line regulation reg in t j = 25 c, ? 11 v v in ? 21 v 15 50 mv t j = 25 c, 5 ma i o 500 ma 20 160 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 15 mv quiescent current i bias t j = 25 c 4.3 6.0 ma ? 10.5 v v in ? 25 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 65 220 v r.m.s. ripple rejection r?r t j = 25 c, ? 11.5 v v in ? 21.5 v, f = 120 hz, i o = 100 ma 50 66 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 25 v 500 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.3 mv/ c
data sheet g11629ej7v0ds 5 pc79mxx series pc79m12 (v in = ? 19 v, i o = 350 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 ? 30 v, 5 ma i o 350 ma ? 11.4 ? 12.6 v t j = 25 c, ? 14.5 v v in ? 30 v 25 80 mv line regulation reg in t j = 25 c, ? 15 v v in ? 25 v 20 50 mv t j = 25 c, 5 ma i o 500 ma 35 240 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 25 mv quiescent current i bias t j = 25 c 4.4 6.0 ma ? 14.5 v v in ? 30 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 125 280 v r.m.s. ripple rejection r?r t j = 25 c, ? 15 v v in ? 25 v, f = 120 hz, i o = 100 ma 50 64 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 30 v 400 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.4 mv/ c pc79m15 (v in = ? 23 v, i o = 350 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, 5 ma i o 350 ma ? 14.25 ? 15.75 v t j = 25 c, ? 17.5 v v in ? 30 v 30 80 mv line regulation reg in t j = 25 c, ? 18 v v in ? 28 v 25 50 mv t j = 25 c, 5 ma i o 500 ma 50 240 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 35 mv quiescent current i bias t j = 25 c 4.4 6.0 ma ? 17.5 v v in ? 30 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 150 360 v r.m.s. ripple rejection r?r t j = 25 c, ? 18.5 v v in ? 28.5 v, f = 120 hz, i o = 100 ma 50 62 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 30 v 400 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.6 mv/ c
data sheet g11629ej7v0ds 6 pc79mxx series pc79m18 (v in = ? 27 v, i o = 350 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 ? 17.3 ? 18.0 ? 18.7 v output voltage v o ? 21 v v in ? 33 v, 5 ma i o 350 ma ? 17.1 ? 18.9 v t j = 25 c, ? 21 v v in ? 33 v 30 80 mv line regulation reg in t j = 25 c, ? 24 v v in ? 30 v 25 50 mv t j = 25 c, 5 ma i o 500 ma 60 300 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 45 mv quiescent current i bias t j = 25 c 4.4 6.0 ma ? 21 v v in ? 33 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 200 440 v r.m.s. ripple rejection r?r t j = 25 c, ? 22 v v in ? 32 v, f = 120 hz, i o = 100 ma 50 60 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 33 v 350 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 0.8 mv/ c pc79m24 (v in = ? 33 v, i o = 350 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 ? 23.0 ? 24.0 ? 25.0 v output voltage v o ? 27 v v in ? 38 v, 5 ma i o 350 ma ? 22.8 ? 25.2 v t j = 25 c, ? 27 v v in ? 38 v 30 80 mv line regulation reg in t j = 25 c, ? 30 v v in ? 36 v 25 50 mv t j = 25 c, 5 ma i o 500 ma 80 360 mv load regulation reg l t j = 25 c, 5 ma i o 350 ma 50 mv quiescent current i bias t j = 25 c 4.5 6.0 ma ? 27 v v in ? 38 v 0.5 ma quiescent current change i bias 5 ma i o 350 ma 0.4 ma output noise voltage v n t j = 25 c, 10 hz f 100 khz 250 600 v r.m.s. ripple rejection r?r t j = 25 c, ? 28 v v in ? 38 v, f = 120 hz, i o = 100 ma 50 57 db dropout voltage v dif t j = 25 c 1.1 v short circuit current i oshort t j = 25 c, v in = ? 38 v 200 ma peak output current i opeak t j = 25 c 620 880 1020 ma temperature coefficient of output voltage v o / t i o = 5 ma 1.0 mv/ c
data sheet g11629ej7v0ds 7 pc79mxx series typical characteristics (t j = 25 c, unless otherwise specified) v in = ? 10 v i o = 5 ma i o = 350 ma ? 8 v v in ? 18 v f = 120 hz c out = 1 f p d vs. t a p d ? power dissipation ? w t a ? operating ambient temperature ? c 25 20 15 10 5 0 25 50 75 100 125 150 v o vs. v in ( pc79m05) v o ? output voltage ? v v in ? input voltage ? v ? 8 ? 6 ? 7 ? 5 ? 4 ? 3 ? 2 ? 1 0 ? 1 ? 2 ? 3 ? 5 ? 4 ? 7 ? 6 ? 8 f ? frequency ? h z 80 60 70 50 40 30 20 10 100 1 k 10 k 100 k i bias vs. v in ( pc79m05) i bias ? quiescent current ? ma r ? r ? ripple rejection ? db r ? r ? ripple rejection ? db v in ? input voltage ? v 8 7 6 4 5 3 1 2 0 ? 10 ? 20 ? 30 i o ? output current ? ma 90 80 70 60 0 50 100 200 300 400 500 v o vs. t j ( pc79m05) v o ? output voltage change ? mv t j ? operating junction temperature ? c 20 0 ? 20 ? 40 ? 60 ? 80 0 ? 25 25 50 75 100 125 150 ? 8 v v in ? 18 v i o = 100 ma c out = 1 f i o = 5 ma 500 ma 350 ma infinite heatsink without heatsink with10 c/w heatsink r ? r vs. f ( pc79m05) r ? r vs. i o ( pc79m05) 85 c
data sheet g11629ej7v0ds 8 pc79mxx series t j = ? 20 c + 25 c + 125 c v o = 2 v o i opeak vs. (v in ? v o ) i opeak ? peak output current ? a (v in ? v o ) ? input to output voltage differential ? v 1.5 1.0 0.5 0102030 line transient response ( pc79m05) v o ? output voltage change ? v v in ? input voltage ? v t ? time ? s ? 15 ? 20 ? 10 ? 0.5 0 0.5 020406080 r o vs. f ( pc79m05) r o ? output impedance ? f ? frequency - hz 10 1 0.1 0.01 0.001 10 100 1 k 10 k 100 k v in = ? 10 v 300 ma i o 400 ma c in = 2.2 f c out = 1 f 0.5 1.0 0 0.1 0 ? 0.1 0204060 80 v in = ? 10 v c out = 1 f i o = 350 ma c out = 1 f load transient response ( pc79m05) v o ? output voltage change ? v i o ? load current ? a t ? time ? s
data sheet g11629ej7v0ds 9 pc79mxx series package drawing (unit: mm) d 17.0 0.3 3pin plastic sip (mp-45g) note each lead centerline is located within 0.25 mm of its true position (t.p.) at maximum material condition. item millimeters p3hf-254b-4 g 0.25 h 2.54 (t.p.) a 10.0 0.2 i 5.0 0.3 u 2.4 0.5 v y 8.9 0.7 z 1.30 0.2 j k l 8.5 0.2 b 7.0 0.2 c 1.50 0.2 e f 0.75 0.10 m 8.5 0.2 n p 2.8 0.2 3.3 0.2 2.46 0.2 5.0 0.2 4.5 0.2 0.65 0.10 13 2 m a b e i d l m k y j h c fg z n p u v
data sheet g11629ej7v0ds 10 pc79mxx series recommended soldering conditions the pc79mxx 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 pc79m05hf, 79m08hf, 79m12hf, 79m15hf, 79m18hf, 79m24hf, pc79m05hf-az, 79m08hf-az, 79m12hf-az, 79m15hf-az, 79m18 hf-az, 79m24hf-az : 3-pi n plastic sip (mp-45g) (isolated to-220 ) 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 proces s 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
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