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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 devices/types available in every country. please check with local nec representative for availability and additional information. ? 2000 bipolar analog integrated circuit m m m m pc2260 low dropout voltage regulator with system reset pin data sheet document no. g14901ej2v0ds00 (2nd edition) date published june 2000 ns cp (k) printed in japan description the m pc2260 is a 500 ma maximum output current low dropout voltage regulator with a reset pin that outputs a reset signal when a drop in the output voltage is detected, and a reset signal output timing adjustment pin. the output voltage is 5 v, and the minimum voltage difference between input and output is extremely low, making this product ideal for use in the power supply circuits of systems with built-in battery-driven microprocessors. because the reverse leakage current of this power supply is about 10 m a even if a voltage is applied to the output pin when the input voltage is cut off, a reverse protection diode is not necessary even in systems requiring battery backup. features pin configuration (marking side) ? outputs reset signal (active low) when the output voltage drops. ? power on reset constant can be set by attaching a single capacitor. ? low minimum voltage difference between input and output v dif = 0.5 v typ. (when i o = 500 ma) ? low reverse current leakage during back up i olk = 10 m a max. (at v in = 0 v, v o = 5 v, 0c t j 125 c) 1 1: input 2: reset 3: gnd 4: delay capacitor 5: output 2 3 45 pc2260v m 5-pin plastic v-dip (v) ordering information part number package m pc2260v 5-pin plastic v-dip (v)
data sheet g14901ej2v0ds00 2 m m m m pc2260 block diagram thermal shut down circuit reference voltage circuit start-up circuit drive circuit over current protection circuit reset circuit gnd output 3 k w leakage protection circuit safe operating area protection error amplifier reset delay capacitor input
data sheet g14901ej2v0ds00 3 m m m m pc2260 absolute maximum ratings (t a = +25 c, unless otherwise specified.) parameter symbol ratings unit input voltage v in - 0.3 to +35 v reset pin applied voltage v rst - 0.3 to +35 v total power dissipation (t c = 25 c) p t 20 note 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) 4 c/w thermal resistance (junction to ambient air) r th (j-a) 83 c/w note the total loss is limited by an internal circuit. where t j > 150 c, an internal protection circuit cuts off the output. 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 1 4 delay capacitor gnd reset output input backup capacitor reset output (active low) d c o c in c dly 32 5 m m 47 f 0.33 f c in :0.1 m f to 0.47 m f. determine the capacitance depending on the line between the power supply smoothing circuit and input pin. be sure to connect this capacitor to prevent abnormal oscillation. use of a capacitor, such as a film capacitor, with excellent voltage and temperature characteristics is recommended. note that some laminated ceramic capacitors have poor temperature and voltage characteristics. when using a laminated ceramic capacitor, the capacitance must be stable in the voltage and temperature ranges used. c o : must be 47 m f or more. be sure to connect this capacitor to prevent oscillation and to improve transient load stability. connect c in and c o as close to the ic (within 1 to 2 cm) as possible. when using this product below 0 c, select an electrolytic capacitor with low impedance characteristics. d : connect schottky barrier diode (with a low forward voltage) if the voltage on the output pin is lower than that on the gnd pin.
data sheet g14901ej2v0ds00 4 m m m m pc2260 recommended operating conditions parameter symbol min. typ. max. unit input voltage v in 620v output current i o 5 500 ma operating junction temperature t j - 20 +125 c caution the recommended operating range may be exceeded without causing any problems provided that the absolute maximum ratings are not exceeded. however, if the device is operated in a way that exceeds the recommended operating conditions, the margin between the actual conditions of use and the absolute maximum ratings is small, and therefore thorough evaluation is necessary. the recommended operating conditions do not imply that the device can be used with all values at their maximum values. electrical characteristics (t j = 25 c, v in = 9 v, i o = 350 ma, c in = 0.33 m m m m f, c o = 47 m m m m f, unless otherwise specified.) parameter symbol test conditions min. typ. max. unit output voltage v o 4.8 5.0 5.2 v 6 v v in 20 v, 5 ma i o 500 ma, 0 c t j 125 c 4.75 5.25 v line regulation reg in 6.5 v v in 20 v 5 50 mv load regulation reg l 5 ma i o 500 ma 10 50 mv operating circuit current i bias i o = 0 a 2 5 ma i o = 500 ma 30 ma operating circuit current change d i bias 6.5 v v in 20 v, i o = 500 ma 10 ma output noise voltage v n 10 hz f 100 khz 130 m v r.m.s. ripple rejection r?r f = 120 hz, 6.5 v v in 16.5 v 56 65 db dropout voltage v dif i o = 500 ma 0.5 0.8 v peak output current i o peak 0.7 0.95 1.2 a temperature coefficient of output voltage d v o / d ti o = 5 ma, 0 c t j 125 c0.4mv/ c off output leakage current i olk v in = 0 v, v o = 5 v, 0 c t j 125 c10 m a reset output voltage (high level) v rsth i rsth = 100 m a, 0 c t j 125 cv o - 0.5 v reset output voltage (low level) v rstl reset output is active (low level), i rstl = 1.6 ma, 0 c t j 125 c 0.6 0.8 v reset output leakage current i rlk v o(rst) v o , 0 c t j 125 c10 m a output voltage to output reset signal v o(rst) 0 c t j 125 cv o - 0.2 v o - 0.1 v reset output delay time t d c dly = 0.1 m f, 0 c t j 125 c30ms
data sheet g14901ej2v0ds00 5 m m m m pc2260 reset output response characteristics output t d t d reset 0 v v o(rst) v o v rstl v rsth remark t d = 30 ms typ. at c dly = 0.1 m f
data sheet g14901ej2v0ds00 6 m m m m pc2260 typical characteristic (t j = +25 c, unless otherwise specified. nominal) 0 5 10 15 20 25 25 75 100 125 150 50 t a - operating ambient temperature - c p t vs t a p t - total power dissipation - w - 25 0 25 - 100 - 60 - 80 - 40 40 80 - 20 20 0 60 100 50 75 125 150 100 t j - operating junction temperature - c v o vs t j v o - output voltage deviation - mv v in = 9 v, i o = 5 ma 3 4 5 2 1 6 3 2 1 0 46 589 710 v in - input voltage - v v o vs v in v o - output voltage - v v in - input voltage - v i bias vs v in i bias - operating circuit current - ma 10 40 20 60 50 30 80 70 100 1k 10k 100k f - frequency - hz r r vs f r r - ripple rejection - db 6.5 v v in 16.5 v i o = 350 ma 0 40 20 60 70 50 30 80 100 200 300 400 500 i o - output current - ma r r vs i o r r - ripple rejection - db with 10 c/w heatsink with infinite heatsink without heatsink i o = 5 ma i o = 350 ma i o = 500 ma 30 40 50 20 10 60 6 4 2 0 812 10 16 18 14 20 i o = 5 ma i o = 350 ma i o = 500 ma 6.5 v v in 16.5 v f = 120 hz d d
data sheet g14901ej2v0ds00 7 m m m m pc2260 0 0.5 1.0 1.5 51520 10 v in - v o - input-output voltage difference - v i o peak vs (v in - v o ) i o peak - peak output current - a 0.001 0.01 10 1 0.1 100 1000 0.1 1 10 t d vs c dly t d - reset output delay time - ms 3 4 5 2 1 6 7 3 2 1 0 46 589 710 v in - input voltage -v v rst vs v in v rst - reset output voltage - v i o = 5 ma i o = 350 ma i o = 500 ma t j = 0 c t j = 25 c t j = 85 c t j = 125 c c dly - delay capacitance - f m 3 4 5 2 1 6 7 3 2 1 0 46 57 v o - output voltage - v v rst vs v o v rst - reset output voltage - v i o = 5 ma i o = 350 ma i o = 500 ma v rst vs v in , v rst vs v o characteristics measurement circuit 1 4 delay capacitor gnd reset 3 k w output input c o c in 32 5 m m 47 f 0.33 f
data sheet g14901ej2v0ds00 8 m m m m pc2260 package drawing 5-pin plastic v-dip (v) note each lead centerline is located within 0.25 mm of its true position (t.p.) at maximum material condition. item millimeters d e 10.4 max. 0.25 g a 17.75 0.7 f 0.75 0.1 i 3.4 h 1.7 j 1.7 max. k 5.0 min. l 6.5 p5vp-340b3-3 m 8.5 n 4.6 0.2 p 1.3 0.1 q 21.15 max. s 4.75 0.7 t 4.3 0.7 u 2.8 0.2 v 0.45 0.1 w 3.9 x 4.25 0.5 3.6 0.1 f 15 m a q h k m l p j i d e fg n s t u v w x
data sheet g14901ej2v0ds00 9 m m m m pc2260 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 performed under different conditions, please make sure to consult with our sales offices. for more details, refer to our document semiconductor device mounting technology manual (c10535e) . type of through-hole device m m m m pc2260v : 5-pin plastic v-dip (v) process conditions wave soldering (only to leads) solder temperature: 260 c or below, flow time: 10 seconds or less. 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.
data sheet g14901ej2v0ds00 10 m m m m pc2260 [memo]
data sheet g14901ej2v0ds00 11 m m m m pc2260 [memo]
m m m m pc2260 m8e 00. 4 the information in this document is current as of june, 2000. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec's data sheets or data books, etc., for the most up-to-date specifications of nec semiconductor products. not all products and/or types are available in every country. please check with an nec 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 prior written consent of nec. nec assumes no responsibility for any errors that may appear in this document. nec 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 semiconductor 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 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 customer's equipment shall be done under the full responsibility of customer. nec assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec endeavours to enhance the quality, reliability and safety of nec semiconductor 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 semiconductor products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment, and anti-failure features. nec semiconductor products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to semiconductor products developed based on a customer-designated "quality assurance program" for a specific application. the recommended applications of a semiconductor product depend on its quality grade, as indicated below. customers must check the quality grade of each semiconductor product 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": aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. the quality grade of nec semiconductor products is "standard" unless otherwise expressly specified in nec's data sheets or data books, etc. if customers wish to use nec semiconductor products in applications not intended by nec, they must contact an nec sales representative in advance to determine nec's willingness to support a given application. (note) (1) "nec" as used in this statement means nec corporation and also includes its majority-owned subsidiaries. (2) "nec semiconductor products" means any semiconductor product developed or manufactured by or for nec (as defined above).

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