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bipolar analog integrated circuit m pc2900 series three terminal low dropout voltage regulator the m pc2900 series of low dropout voltage three terminal positive regulators is constructed with pnp output transistor. the m pc2900 series feature the ability to source 1 a of output current with a low dropout voltage of typically 0.7 v. the power dissipation of the m pc2900 series can be drastically reduced compared with the conventional three terminal positive voltage regulators that is constructed with npn output transistor. also, this series corresponds to the low voltage output (3 v, 3.3 v) which is not in the conventional low dropout regulators ( m pc2400a series). features ? output current in excess of 1.0 a ? low dropout voltage v dif = 0.7 v typ. (at i o = 1 a) ? on-chip overcurrent and thermal protection circuit ? on-chip output transistor safe area protection circuit pin configuration (marking side) m pc2900hf series: mp-45g m pc2900hb series: mp-3 m pc2900t series: mp-3z 12 1: input 2: gnd 3: output 3 12 1: input 2: gnd 3: output 4: gnd ( fin ) 3 4 document no. g10026ej3v0ds00 (3rd edition) date published july 1998 n cp(k) printed in japan the information in this document is subject to change without notice. the mark shows major revised points. 1997 data sheet
m pc2900 series 2 block diagram ordering information part number package output voltage m pc2903hf mp-45g (isolated to-220) 3.0 v m pc2903hb mp-3 (sc-64) 3.0 v m pc2903t mp-3z (sc-63) 3.0 v m pc2933hf mp-45g (isolated to-220) 3.3 v m pc2933hb mp-3 (sc-64) 3.3 v m pc2933t mp-3z (sc-63) 3.3 v m pc2905hf mp-45g (isolated to-220) 5.0 v m pc2905hb mp-3 (sc-64) 5.0 v m pc2905t mp-3z (sc-63) 5.0 v m pc2906hf mp-45g (isolated to-220) 6.0 v m pc2906hb mp-3 (sc-64) 6.0 v m pc2906t mp-3z (sc-63) 6.0 v m pc2907hf mp-45g (isolated to-220) 7.0 v m pc2907hb mp-3 (sc-64) 7.0 v m pc2907t mp-3z (sc-63) 7.0 v m pc2908hf mp-45g (isolated to-220) 8.0 v m pc2908hb mp-3 (sc-64) 8.0 v m pc2908t mp-3z (sc-63) 8.0 v m pc2909hf mp-45g (isolated to-220) 9.0 v m pc2909hb mp-3 (sc-64) 9.0 v m pc2909t mp-3z (sc-63) 9.0 v m pc2910hf mp-45g (isolated to-220) 10.0 v m pc2910hb mp-3 (sc-64) 10.0 v m pc2910t mp3z (sc-63) 10.0 v m pc2912hf mp-45g (isolated to-220) 12.0 v m pc2912hb mp-3 (sc-64) 12.0 v m pc2912t mp-3z (sc-63) 12.0 v start-up circuit reference voltage thermal shut down error amp. drive circuit saturation protection safe operating area protection output gnd input over current protection
m pc2900 series 3 absolute maximum ratings (t a = 25 c, unless otherwise specified.) parameter symbol rating unit m pc2900hf m pc2900hb, m pc2900t input voltage v in 20 v internal power dissipation note p t 15 10 w operating ambient temperature t a C30 to +85 c operating junction temperature t j C30 to +150 c storage temperature t stg C55 to +150 c thermal resistance (junction to case) r th (j-c) 7 12.5 c/w thermal resistance (junction to ambient) r th (j-a) 65 125 c/w note t c = 25 c, internally limited when operating junction temperature rises up to 150 c, the internal circuit shutdown output voltage. caution exposure to absolute maximum ratings for extended periods may affect device reliability; exceeding the ratings could cause permanent damage. the parameters apply independently. the device should be operated within the limits specified under dc and ac characteristics. typical connection d 1 pc2900 input c out c in d 2 + m output c in : more than 0.1 m f. required if regulator is located an appreciable distance from power supply filter. you must use to prevent from the parasitic oscillation. c out : more than 47 m f. you must use the low-impedance-type (low esr) capacitor. d 1 : need for v o > v in d 2 : need a shottky barrier diode for v o < gnd.
m pc2900 series 4 recommended operating conditions parameter symbol type number min. typ. max. unit input voltage v in m pc2903 4.0 16 v m pc2933 4.3 16 m pc2905 6 16 m pc2906 7 16 m pc2907 8 16 m pc2908 9 18 m pc2909 10 18 m pc2910 11 18 m pc2912 13 18 output current i o all 0 1.0 a operating ambient temperature t a all C30 +85 c operating junction temperature t j all C30 +125 c electrical characteristics m pc2903 (t j = 25 c, v in = 5 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 2.88 3.0 3.12 v 0 c t j 125 c, 4.0 v v in 16 v, 2.85 3.15 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 4.0 v v in 16 v 11 30 mv load regulation reg l 0 a i o 1 a 9 30 mv quiescent current i bias i o = 0 a 1.9 4.0 ma i o = 1 a 23 60 startup quiescent current i bias (s) v in = 2.95 v, i o = 0 a 12 30 ma v in = 2.95 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 4.0 v v in 16 v 3.2 20 ma output noise voltage v n 10 hz f 100 khz 52 m v r.m.s. ripple rejection rr f = 120 hz, 4.0 v v in 16 v 48 63 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 4.5 v 1.2 1.7 3.0 a v in = 16 v 1.2 peak output current i o peak v in = 4.5 v 1.0 1.5 3.0 a v in = 16 v 1.3 1.7 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma C0.5 mv/ c output voltage
m pc2900 series 5 electrical characteristics m pc2933 (t j = 25 c, v in = 5 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 3.17 3.3 3.43 v 0 c t j 125 c, 4.3 v v in 16 v, 3.14 3.46 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 4.3 v v in 16 v 12 33 mv load regulation reg l 0 a i o 1 a 23 33 mv quiescent current i bias i o = 0 a 2.0 4.0 ma i o = 1 a 30 60 startup quiescent current i bias (s) v in = 3.1 v, i o = 0 a 10 30 ma v in = 3.1 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 4.3 v v in 16 v 3.0 20 ma output noise voltage v n 10 hz f 100 khz 55 m v r.m.s. ripple rejection rr f = 120 hz, 4.3 v v in 16 v 48 64 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 4.5 v 1.2 1.6 3.0 a v in = 16 v 1.2 peak output current i o peak v in = 4.5 v 1.0 1.4 3.0 a v in = 16 v 1.3 1.7 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma C0.4 mv/ c output voltage
m pc2900 series 6 electrical characteristics m pc2905 (t j = 25 c, v in = 8 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 4.8 5.0 5.2 v 0 c t j 125 c, 6 v v in 16 v, 4.75 5.25 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 6 v v in 16 v 23 50 mv load regulation reg l 0 a i o 1 a 28 50 mv quiescent current i bias i o = 0 a 2.2 4.0 ma i o = 1 a 30 60 startup quiescent current i bias (s) v in = 4.5 v, i o = 0 a 10 30 ma v in = 4.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 6 v v in 16 v 2.9 20 ma output noise voltage v n 10 hz f 100 khz 90 m v r.m.s. ripple rejection rr f = 120 hz, 6 v v in 16 v 46 61 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 6.5 v 1.15 1.8 3.0 a v in = 16 v 1.1 peak output current i o peak v in = 6.5 v 1.1 1.5 3.0 a v in = 16 v 1.4 2.0 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 0.6 mv/ c output voltage
m pc2900 series 7 electrical characteristics m pc2906 (t j = 25 c, v in = 9 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 5.76 6.0 6.24 v 0 c t j 125 c, 7 v v in 16 v, 5.70 6.30 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 7 v v in 16 v 25 60 mv load regulation reg l 0 a i o 1 a 29 60 mv quiescent current i bias i o = 0 a 2.0 4.0 ma i o = 1 a 23 60 startup quiescent current i bias (s) v in = 5.5 v, i o = 0 a 10 30 ma v in = 5.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 7 v v in 16 v 2.2 20 ma output noise voltage v n 10 hz f 100 khz 108 m v r.m.s. ripple rejection rr f = 120 hz, 7 v v in 16 v 44 60 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 7.5 v 1.8 a v in = 16 v 1.1 peak output current i o peak v in = 7.5 v 1.1 1.5 3.0 a v in = 16 v 1.4 2.0 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 0.6 mv/ c output voltage
m pc2900 series 8 electrical characteristics m pc2907 (t j = 25 c, v in = 10 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 6.72 7.0 7.28 v 0 c t j 125 c, 8 v v in 16 v, 6.65 7.35 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 8 v v in 16 v 27 70 mv load regulation reg l 0 a i o 1 a 30 70 mv quiescent current i bias i o = 0 a 2.0 4.0 ma i o = 1 a 24 60 startup quiescent current i bias (s) v in = 6.5 v, i o = 0 a 10 30 ma v in = 6.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 8 v v in 16 v 2.3 20 ma output noise voltage v n 10 hz f 100 khz 126 m v r.m.s. ripple rejection rr f = 120 hz, 8 v v in 16 v 43 59 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 8.5 v 1.8 a v in = 16 v 1.1 peak output current i o peak v in = 8.5 v 1.1 1.5 3.0 a v in = 16 v 1.4 2.0 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 0.6 mv/ c output voltage
m pc2900 series 9 electrical characteristics m pc2908 (t j = 25 c, v in = 11 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 7.68 8.0 8.32 v 0 c t j 125 c, 9 v v in 18 v, 7.6 8.4 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 9 v v in 18 v 31 80 mv load regulation reg l 0 a i o 1 a 30 80 mv quiescent current i bias i o = 0 a 1.9 4.0 ma i o = 1 a 25 60 startup quiescent current i bias (s) v in = 7.5 v, i o = 0 a 10 30 ma v in = 7.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 9 v v in 18 v 2.4 20 ma output noise voltage v n 10 hz f 100 khz 145 m v r.m.s. ripple rejection rr f = 120 hz, 9 v v in 18 v 42 58 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 9.5 v 1.9 a v in = 18 v 1.0 peak output current i o peak v in = 9.5 v 1.1 1.5 3.0 a v in = 18 v 1.4 2.0 2.8 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 0.6 mv/ c output voltage
m pc2900 series 10 electrical characteristics m pc2909 (t j = 25 c, v in = 12 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 8.64 9.0 9.36 v 0 c t j 125 c, 10 v v in 18 v, 8.55 9.45 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 10 v v in 18 v 31 90 mv load regulation reg l 0 a i o 1 a 32 90 mv quiescent current i bias i o = 0 a 1.9 4.0 ma i o = 1 a 27 60 startup quiescent current i bias (s) v in = 8.5 v, i o = 0 a 11 30 ma v in = 8.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 10 v v in 18 v 3.0 20 ma output noise voltage v n 10 hz f 100 khz 155 m v r.m.s. ripple rejection rr f = 120 hz, 10 v v in 18 v 41 58 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 10.5 v 1.9 a v in = 18 v 1.0 peak output current i o peak v in = 10.5 v 1.1 1.5 3.0 a v in = 18 v 1.4 2.0 3.0 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 1.0 mv/ c output voltage
m pc2900 series 11 electrical characteristics m pc2910 (t j = 25 c, v in = 13 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 9.6 10.0 10.4 v 0 c t j 125 c, 11 v v in 18 v, 9.5 10.5 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 11 v v in 18 v 35 100 mv load regulation reg l 0 a i o 1 a 33 100 mv quiescent current i bias i o = 0 a 2.0 4.0 ma i o = 1 a 25 60 startup quiescent current i bias (s) v in = 9.5 v, i o = 0 a 10 30 ma v in = 9.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 11 v v in 18 v 1.9 20 ma output noise voltage v n 10 hz f 100 khz 180 m v r.m.s. ripple rejection rr f = 120 hz, 11 v v in 18 v 40 56 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 11.5 v 1.7 a v in = 18 v 1.0 peak output current i o peak v in = 11.5 v 1.1 1.6 3.0 a v in = 18 v 1.4 2.0 3.0 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 2.1 mv/ c output voltage
m pc2900 series 12 electrical characteristics m pc2912 (t j = 25 c, v in = 15 v, i o = 500 ma, c in = 0.22 m f, c out = 47 m f, unless otherwise specified.) parameters symbol conditions min. typ. max. unit output voltage v o 11.52 12 12.48 v 0 c t j 125 c, 13 v v in 18 v, 11.4 12.6 0 a i o 500 ma 0 c t j 125 c, 0 a i o 1 a line regulation reg in 13 v v in 18 v 38 120 mv load regulation reg l 0 a i o 1 a 35 120 mv quiescent current i bias i o = 0 a 2.1 4.0 ma i o = 1 a 26 60 startup quiescent current i bias (s) v in = 11.5 v, i o = 0 a 10 30 ma v in = 11.5 v, i o = 1 a 80 quiescent current change d i bias 0 c t j 125 c, 13 v v in 18 v 1.5 20 ma output noise voltage v n 10 hz f 100 khz 210 m v r.m.s. ripple rejection rr f = 120 hz, 13 v v in 18 v 40 52 db dropout voltage v dif 0 c t j 125 c, i o = 1 a 0.7 1.0 v short circuit current i o short v in = 14 v 1.7 a v in = 18 v 1.0 peak output current i o peak v in = 14 v 1.1 1.6 3.0 a v in = 18 v 1.4 2.0 3.0 temperature coefficient of d v o / d t0 c t j 125 c, i o = 5 ma 2.1 mv/ c output voltage
m pc2900 series 13 typical characteristics 20 15 10 5 0 0 50 100 150 85 t a - operating ambient temperature - c p d - total power dissipation - w p d vs t a with infinite heatsink without heatsink 1.92 1.0 300 200 100 0 ?00 ?00 ?00 ?00 0 100 150 t j - operating junction temperature - c d v o - output voltage deviation - mv d v o vs t j 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 07 18 2 v in - input voltage - v v o - ouput voltage - v v o vs v in ( pc2933) 50 45 40 35 30 25 20 15 10 5 018 220 4 v in - input voltage - v i bias - quiescent current - ma i bias (i bias (s) ) vs v in ( pc2933) 1.0 0.8 0.6 0.4 0.2 0 ?5 +125 0 +150 +75 t j - operating junction temperature - c v dif - dropout voltage - v v dif vs t j 3.0 2.0 1.0 015 520 v dif - dropout voltage - v i o peak - peak output current - a i o peak vs v dif ( pc2933) i o = 5 ma ?0 50 pc2912 pc2905 pc2933 solid line : pc2900hf series broken line: pc2900hb series pc2900t series 356 4 t j = 25 c i o = 1.0 a i o = 0.5 a i o = 5 ma t j = 25 c 6101416 12 8 i o = 1 a i o = 0.5 a i o = 0 a +100 +50 +25 i o = 1.0 a pc2933 pc2905 pc2906 pc2907 pc2908 pc2909 pc2910 pc2912 10 t j = 0 c t j = 125 c t j = 25 c m m m m m m m m m m m m m m m m m
m pc2900 series 14 i o peak vs v dif ( pc2905) m m m m m i o peak - peak output current - a 3.0 2.0 1.0 0 5101520 v dif - dropout voltage - v r r vs f r ?r - ripple rejection - db 80 70 0 100 1 k 10 k 100 k f - frequency - hz 60 50 40 30 20 10 r ?r vs i o ( pc2933) r ?r - ripple rejection - db 80 70 30 0.2 0.4 0.6 1.0 i o - output current - a v dif vs i o ( pc2933) v dif - dropout voltage - v 1.0 0 0.2 0.4 0.6 1.0 i o - output current - a 0.8 0.6 0.4 0.2 0 0.8 0 60 50 40 0.8 v o vs i o ( pc2933) v o - output voltage - v 6 5 0 0.4 0.8 1.2 2.4 i o - output current - a 1.6 4 3 1 2.0 2 t j = 25 ? t j = 125 ? t j = 25 ? i o = 1 a pc2933 pc2912 t j = 25 ? t j = 25 ? 4.3 v v in 16 v f = 120 hz t j = 25 ? v in = 16 v v in = 5 v t j = 0 ? pc2905 m m
m pc2900 series 15 package drawings m pc2900hf series 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 f 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
m pc2900 series 16 m pc2900hb series mp-3 (sc-64) (unit: mm) m pc2900t series mp-3z (sc-63) (unit: mm) 2.3 2.3 1.1 0.1 5.0 0.2 5.5 0.2 7.0 min. 13.7 min. 6.5 0.2 2.3 0.2 0.5 0.1 1.6 0.2 0.5 +0.2 ?.1 0.5 +0.2 ?.1 1.5 +0.2 ?.1 0.75 123 4 2.3 2.3 1.1 0.2 0.9 max. 0.8 max. 5.5 0.2 2.0 min. 10.0 max. 5.0 0.2 4.3 max. 0.8 6.5 0.2 2.3 0.2 0.5 0.1 1.0 min. 1.5 typ. 0.5 1.5 +0.2 ?.1 123 4 0.8
m pc2900 series 17 recommended soldering conditions when soldering this product, it is highly recommended to observe the conditions as shown below. if other soldering processes are used, or if the soldering is perfomed under different condition, please make sure to consult with our sales offices. fof more details, refer to our document semiconductor device mounting technology manual (c10535e) . surface mount devices m pc2900t series: mp-3z process conditions symbol infrared ray reflow peak temperature: 235 c or below (package surface temperature), ir35-00-2 reflow time: 30 seconds or less (at 210 c or higher), maximum number of reflow processes: 2 times. vps peak temperature: 215 c or below (package surface temperature), vp15-00-2 reflow time: 40 seconds or less (at 200 c or higher), maximum number of reflow processes: 2 times. wave soldering solder temperature: 260 c or below, flow time: 10 seconds or less, ws60-00-1 maximum number of flow processes: 1 time, pre-heating temperature: 120 c or below (package surface temperature). partial heating method pin temperature: 300 c or below, heat time: 3 seconds or less (per each side of the device). caution apply only one kind of soldering condition to a device, except for partial heating method, or the device will be damaged by heat stress. through-hole devices m pc2900hf series: mp-45g m pc2900hb series: mp-3 process conditions wave soldering solder temperature: 260 c or below, (only to leads) flow time: 10 seconds or less. partial heating method pin temperature: 300 c or below, heat time: 3 seconds or less (per each pin). caution for through-hole device, the wave soldering process must be applied only to leads, and make sure that the package body does not get jet soldered.
m pc2900 series 18 caution on use when using the m pc2900 series at the input voltage which is lower than in the recommended operating condition, the big quiescent current flows through devices because the transistor of the output paragraph is saturated (refer to i bias (i bias (s) ) vs v in curves in typical characteristics ). the m pc2900 series have saturation protection circuits, but they sometimes need about 80 ma current. therefore the power supply on the input needs the enough current capacity to pass this quiescent current when the devices startup. reference documents quality grade on nec semiconductor devices c11531e semiconductor device mounting technology manual c10535e ic package manual c10943x guide to quality assuarance for semiconductor devices mei-1202 semiconductors selection guide x10679e nec semiconductor device reliability/quality control iei-1212 system-three terminal regulator
m pc2900 series 19 [memo]
m pc2900 series 20 [memo] no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec corporation. nec corporation assumes no responsibility for any errors which may appear in this document. nec corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec corporation or others. while nec corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. to minimize risks of damage or injury to persons or property arising from a defect in an nec semiconductor device, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. nec devices are classified into the following three quality grades: "standard", "special", and "specific". the specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. the recommended applications of a device depend on its quality grade, as indicated below. customers must check the quality grade of each device before using it in a particular application. standard: computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) specific: aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. the quality grade of nec devices is "standard" unless otherwise specified in nec's data sheets or data books. if customers intend to use nec devices for applications other than those specified for standard quality grade, they should contact an nec sales representative in advance. anti-radioactive design is not implemented in this product. m4 96.5

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