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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. 2002 bipolar analog integrated circuit pc37mxx series two-output positive voltage regulators data sheet document no. g16444ej2v0ds00 (2nd edition) date published april 2003 ns cp(k) printed in japan the mark shows major revised points. description the pc37mxx series is a series regulator with two outputs, output 1 : 1 a and output 2 : 0.5 a, built in a single package. output 1 outputs 3.3 v or 2.5 v, and output 2 outputs 1.8 v or 2.5 v. this series can be used to realize set miniaturization and component reduction due to the use of on mp-3 or mp-3z package. features ? two-output series regulator built in a single package ? output voltage accuracy: 2% ? peak output current: output 1 : 1 a, output 2 : 0.5 a ? on-chip saturation protector at low input voltage ? on-chip overcurrent limiter ? on-chip thermal protection ordering information part number package marking packing type pc37mxxtj sc-98 (5-pin mp-3z) 37mxx ? bag stuffing pc37mxxtj-e1 sc-98 (5-pin mp-3z) 37mxx ? embossed-type taping (16 mm tape) ? pin 1 on drawout side ? 2000 pcs/reel pc37mxxtj-e2 sc-98 (5-pin mp-3z) 37mxx ? embossed-type taping (16 mm tape) ? pin 1 on takeup side ? 2000 pcs/reel pc37mxxhb sc-99 (5-pin mp-3) 37mxx ? bag stuffing "xx" in the part number and marking columns indicates the following. example output voltage output 1 output 2 part number marking 2.5 v 1 . 8 v pc37m21tj 37m21 3.3 v 1 . 8 v pc37m31tj 37m31 3.3 v 2 . 5 v pc37m32tj 37m32 pin configuration (marking side) 1: input 3: gnd 4: output 1 6: gnd (fin) mp-3z (5-pin), mp-3 (5-pin) 2: nc 5: output 2 12345 6
data sheet g16444ej2v0ds 2 pc37mxx series block diagram input output 1 error amp. + ? gnd output 2 + ? start-up circuit drive circuit reference voltage saturation protector overcurrent limiter thermal protection error amp. drive circuit saturation protector overcurrent limiter thermal protection
data sheet g16444ej2v0ds 3 pc37mxx series absolute maximum ratings (t a = 25c, unless otherwise specified.) parameter symbol rating unit input voltage v in ? 0.3 to +8 v internal power dissipation (t c = 25 c) p t 10 note w operating ambient temperature t a ? 40 to +85 c operating junction temperature t j ? 40 to +150 c storage temperature t stg ? 55 to +150 c thermal resistance (junction to case) r th(j-c) 12.5 c/w thermal resistance (junction to ambient) r th(j-a) 125 c/w note internally limited. when the operating junction temperature rises over 150 c, the internal circuit shuts down the 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 input c in output 2 c out1 d 12 d 11 d 21 d 22 output 1 + c out2 + pc37mxx series c in : 0.1 f or higher. set this value according to the length of the line between the regulator and input pin. be sure to connect c in to prevent parasitic oscillation. use of a film capacitor or other capacitor with excellent voltage and temperature characteristics is recommended. if using a laminated ceramic capacitor, it is necessary to ensure that c in is 0.1 f or higher for the voltage and temperature range to be used. c out1 , c out2 : 10 f or higher. be sure to connect c out1 and c out2 to prevent oscillation and improve excessive load regulation. place c in , c out1 and c out2 as close as possible to the ic pins (within 2 cm). also, use an electrolytic capacitor with low impedance characteristics if considering use at sub-zero temperatures. d 11 , d 12 : if the output 1 pin or output 2 pin has a higher voltage than the input pin, connect a diode. d 21 , d 22 : if the output 1 pin or output 2 pin has a lower voltage than the gnd pin, connect a schottky barrier diode. caution make sure that no voltage is applied to the output 1 pin or output 2 pin from external.
data sheet g16444ej2v0ds 4 pc37mxx series recommended operating conditions parameter symbol type number min. typ. max. unit input voltage v in pc37m21 3.2 5.0 v pc37m31 4.5 6.0 pc37m32 4.5 6.0 output current 1 i o1 pc37m21 0 0.3 a pc37m31 0 0.5 pc37m32 0 0.5 output current 2 i o2 all 0 0.3 a operating ambient temperature t a all ? 40 +85 c operating junction temperature t j all ? 40 +125 c caution use of conditions other than the above-listed recommended operating conditions is not a problem as long as the absolute maximum ratings are not exceeded. however, since the use of such conditions diminishes the margin of safety, careful evaluation is required before such conditions are used. moreover, using the max. value for all the recommended operating conditions is not guaranteed to be safe. electrical characteristics pc37m21 (t j = 25c, v in = 3.3 v, i o1 = 0.3 a, i o2 = 0.3 a, unless otherwise specified.) parameter symbol conditions min. typ. max. unit output 1 output voltage 1 v o1 2.45 2.5 2.55 v (2.5 v) line regulation 1 reg in1 3.2 v v in 5.0 v ? 29mv load regulation 11 reg l11 5 ma i o1 0.5 a ? 17 50 mv load regulation 12 reg l12 v in = 5.0 v, 5 ma i o1 1 a ? 20 66 mv output noise voltage 1 v n1 10 hz f 100 khz ? 60 ? vr.m.s. ripple rejection 1 r?r 1 f = 120 hz, 3.2 v v in 5.0 v ? 60 ? db short circuit current 1 i oshort1 v in = 5.0 v ? 0.5 ? a peak output current 11 i opeak11 v in = 3.3 v 0.5 0.8 ? a peak output current 12 i opeak12 v in = 5.0 v 1.0 1.4 ? a temperature coefficient of ? v o1 / ? ti o1 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 1 output 2 output voltage 2 v o2 1.764 1.8 1.836 v (1.8 v) line regulation 2 reg in2 3.2 v v in 5.0 v ? 29mv load regulation 2 reg l2 5 ma i o2 0.5 a ? 17 50 mv output noise voltage 2 v n2 10 hz f 100 khz ? 60 ? vr.m.s. ripple rejection 2 r?r 2 f = 120 hz, 3.2 v v in 5.0 v ? 60 ? db short circuit current 2 i oshort2 v in = 5.0 v ? 0.3 ? a peak output current 21 i opeak21 v in = 3.3 v 0.5 0.6 ? a peak output current 22 i opeak22 v in = 5.0 v 0.5 0.8 ? a temperature coefficient of ? v o2 / ? ti o2 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 2 total quiescent current i bias i o1 = 0 a, i o2 = 0 a ? 48ma startup quiescent current i bias(s) v in = 1.7 v, i o1 = 0 a, i o2 = 0 a ? 740ma dropout voltage v dif1 i o1 = 0.5 a ?? 0.6 v (input to output 1 )
data sheet g16444ej2v0ds 5 pc37mxx series pc37m31 (t j = 25c, v in = 5 v, i o1 = 0.5 a, i o2 = 0.3 a, unless otherwise specified.) parameter symbol conditions min. typ. max. unit output 1 output voltage 1 v o1 3.234 3.3 3.366 v (3.3 v) line regulation 1 reg in1 4.5 v v in 6.0 v ? 29mv load regulation 1 reg l1 5 ma i o1 1 a ? 20 66 mv output noise voltage 1 v n1 10 hz f 100 khz ? 76 ? vr.m.s. ripple rejection 1 r?r 1 f = 120 hz, 4.5 v v in 6.0 v ? 57 ? db short circuit current 1 i oshort1 v in = 6.0 v ? 0.5 ? a peak output current 1 i opeak1 v in = 5.0 v 1.0 1.4 ? a temperature coefficient of ? v o1 / ? ti o1 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 1 output 2 output voltage 2 v o2 1.764 1.8 1.836 v (1.8 v) line regulation 2 reg in2 4.5 v v in 6.0 v ? 29mv load regulation 2 reg l2 5 ma i o2 0.5 a ? 17 50 mv output noise voltage 2 v n2 10 hz f 100 khz ? 60 ? vr.m.s. ripple rejection 2 r?r 2 f = 120 hz, 4.5 v v in 6.0 v ? 60 ? db short circuit current 2 i oshort2 v in = 6.0 v ? 0.3 ? a peak output current 2 i opeak2 v in = 5.0 v 0.5 0.8 ? a temperature coefficient of ? v o2 / ? ti o2 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 2 total quiescent current i bias i o1 = 0 a, i o2 = 0 a ? 48ma startup quiescent current i bias (s) v in = 1.7 v, i o1 = 0 a, i o2 = 0 a ? 740ma dropout voltage v dif1 i o1 = 0.5 a ? 0.6 1.0 v (input to output 1 ) pc37m32 (t j = 25c, v in = 5 v, i o1 = 0.5 a, i o2 = 0.3 a, unless otherwise specified.) parameter symbol conditions min. typ. max. unit output 1 output voltage 1 v o1 3.234 3.3 3.366 v (3.3 v) line regulation 1 reg in1 4.5 v v in 6.0 v ? 29mv load regulation 1 reg l1 5 ma i o1 1 a ? 20 66 mv output noise voltage 1 v n1 10 hz f 100 khz ? 76 ? vr.m.s. ripple rejection 1 r?r 1 f = 120 hz, 4.5 v v in 6.0 v ? 57 ? db short circuit current 1 i oshort1 v in = 6.0 v ? 0.5 ? a peak output current 1 i opeak1 v in = 5.0 v 1.0 1.4 ? a temperature coefficient of ? v o1 / ? ti o1 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 1 output 2 output voltage 2 v o2 2.45 2.5 2.55 v (2.5 v) line regulation 2 reg in2 4.5 v v in 6.0 v ? 29mv load regulation 2 reg l2 5 ma i o2 0.5 a ? 17 50 mv output noise voltage 2 v n2 10 hz f 100 khz ? 60 ? vr.m.s. ripple rejection 2 r?r 2 f = 120 hz, 4.5 v v in 6.0 v ? 60 ? db short circuit current 2 i oshort2 v in = 6.0 v ? 0.3 ? a peak output current 2 i opeak2 v in = 5.0 v 0.5 0.8 ? a temperature coefficient of ? v o2 / ? ti o2 = 5 ma, 0 c t j 125 c ?? 0.4 ? mv/ c output voltage 2 total quiescent current i bias i o1 = 0 a, i o2 = 0 a ? 48ma startup quiescent current i bias(s) v in = 2.4 v, i o1 = 0 a, i o2 = 0 a ? 740ma dropout voltage v dif1 i o1 = 0.5 a ? 0.6 1.0 v (input to output 1 )
data sheet g16444ej2v0ds 6 pc37mxx series typical characteristics (reference values) 10 12 0 2 4 6 8 050 25 100 125 75 150 t a - operating ambient temperature - c p d - total power dissipation - w with infinite heatsink without heatsink p d vs. t a v o1 - output 1 output voltage - v v in - input voltage - v v o1 vs. v in ( pc37m21) 0 1 2 3 4 3 2 16 58 7 0 t j = 25 c i o1 = 1 a, i o2 = 0 a i o1 = 5 ma, i o2 = 5 ma i o1 = 0.3 a, i o2 = 0.3 a v o2 - output 2 output voltage - v v in - input voltage - v v o2 vs. v in ( pc37m21) 0 1 2 3 4 3 2 16 58 7 0 t j = 25 c i o1 = 0.5 a, i o2 = 0.5 a i o1 = 5 ma, i o2 = 5 ma i o1 = 0.3 a, i o2 = 0.3 a 0 1 2 3 4 5 4 3 2 16 58 710 9 0 v in - input voltage - v v o1 - output 1 output voltage - v v o1 vs. v in ( pc37m31) i o1 = 0.5 a, i o2 = 0.3 a i o1 = 5 ma, i o2 = 5 ma i o1 = 1 a, i o2 = 0 a t j = 25 c 0 1 2 3 4 3 2 16 58 710 9 0 t j = 25 c i o1 = 0.5 a, i o2 = 0.3 a i o1 = 5 ma, i o2 = 5 ma i o1 = 0.5 a, i o2 = 0.5 a v in - input voltage - v v o2 - output 2 output voltage - v v o2 vs. v in ( pc37m31) 0 1 2 3 4 5 4 3 2 16 58 710 9 0 t j = 25 c i o1 = 0.5 a, i o2 = 0.3 a i o1 = 5 ma, i o2 = 5 ma i o1 = 1 a, i o2 = 0 a v in - input voltage - v v o1 - output 1 output voltage - v v o1 vs. v in ( pc37m32)
data sheet g16444ej2v0ds 7 pc37mxx series 0 1 2 3 4 5 4 3 2 16 58 710 9 0 v in - input voltage - v v o2 - output 2 output voltage - v v o2 vs. v in ( pc37m32) t j = 25 c i o1 = 0.5 a, i o2 = 0.3 a i o1 = 0.5 a, i o2 = 0.5 a i o1 = 5 ma, i o2 = 5 ma i bias - quiescent current - ma v in - input voltage - v i bias vs. v in ( pc37m21) 0 20 40 60 80 100 4 3 2 16 58 7 0 t j = 25 c i o1 = 5 ma, i o2 = 5 ma i o1 = 0.3 a, i o2 = 0.3 a i o1 = 0.5 a, i o2 = 0.5 a 0 20 40 60 80 100 4 3 2 16 58 710 9 0 t j = 25 c i o1 = 5 ma, i o2 = 5 ma i o1 = 0.5 a, i o2 = 0.3 a i o1 = 1 a, i o2 = 0 a v in - input voltage - v i bias - quiescent current - ma i bias vs. v in ( pc37m31) 0 20 40 60 80 100 4 3 2 16 58 710 9 0 i o1 = 5 ma, i o2 = 5 ma i o1 = 0.5 a, i o2 = 0.3 a i o1 = 1 a, i o2 = 0 a t j = 25 c v in - input voltage - v i bias - quiescent current - ma i bias vs. v in ( pc37m32) r?r vs. f ( pc37m21) r?r - ri pp le re j ection - db 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 100000 output 1 t j = 25c v in = 3.2 to 5.0 v i o1 = 0.5 a, i o2 = 0.3 a output 2 f - frequency - hz 100 80 0 100 1000 10000 100000 10 60 40 20 90 10 70 50 30 output 1 output 2 t j = 25 c v in = 4.5 to 6.0 v i o1 = 0.5 a, i o2 = 0.3 a f - frequency - hz r . r - ripple rejection - db r . r vs. f ( pc37m31)
data sheet g16444ej2v0ds 8 pc37mxx series r?r vs. i o1 , i o2 ( pc37m21) 100 80 0 100 1000 10000 100000 10 60 40 20 90 10 70 50 30 output 1 output 2 t j = 25 c v in = 4.5 to 6.0 v i o1 = 0.5 a, i o2 = 0.3 a f - frequency - hz r . r - ripple rejection - db r . r vs. f ( pc37m32) r?r - ripple rejection - db 0 10 20 30 40 50 60 70 80 90 100 0 0.2 0.4 0.6 0.8 1 i o1 t j = 25c v in = 3.2 to 5.0 v f = 120 hz i o2 i o1 , i o2 - output1, output2 output current - a r?r vs. i o1 , i o2 ( pc37m31) r?r vs. i o1 , i o2 ( pc37m32) r?r - ripple rejection - db 0 10 20 30 40 50 60 70 80 90 100 0 0.2 0.4 0.6 0.8 1 i o1 t j = 25c v in = 4.5 to 6.0 v f = 120 hz i o2 i o1 , i o2 - output1, output2 output current - a r?r - ripple rejection - db 0 10 20 30 40 50 60 70 80 90 100 0 0.2 0.4 0.6 0.8 1 t j = 25c v in = 4.5 to 6.0 v f = 120 hz i o1 i o2 i o1 , i o2 - output1, output2 output current - a 1 0 0.2 0.4 0.6 1 0.8 0.6 0.4 0.2 0 0.8 t j = 25 c i o1 - output 1 output current - a v dif1 - dropout voltage (input to output 1 ) - v v dif1 vs. i o1 75 50 25 ?25 0 ?75 ?50 0 100 50 150 ?100 ?50 output 1 output 2 v in = 3.3 v i o1 = i o2 = 5 ma t j - operating junction temperature - c ? v o1 , ? v o2 - temperature coefficient of output voltage - mv ? v o1 , ? v o2 vs. t j ( pc37m21)
data sheet g16444ej2v0ds 9 pc37mxx series 50 25 ? 25 0 ? 50 0 100 50 150 ? 50 output 1 output 2 v in = 5.0 v i o1 = i o2 = 5 ma t j - operating junction temperature - c ? v o1 , ? v o2 - temperature coefficient of output voltage - mv ? v o1 , ? v o2 vs. t j ( pc37m31) 50 25 ? 25 0 ? 50 0 100 50 150 ? 50 output 1 output 2 v in = 5.0 v i o1 = i o2 = 5 ma t j - operating junction temperature - c ? v o1 , ? v o2 - temperature coefficient of output voltage - mv ? v o1 , ? v o2 vs. t j ( pc37m32) 1 0.8 0.6 0.4 0.2 0 ? 25 125 0 150 75 100 50 25 i o1 = 0.5 a t j - operating junction temperature - c v dif1 - dropout voltage (input to output 1 ) - v v dif1 vs. t j ( pc37m21) 1 0.8 0.6 0.4 0.2 0 ? 25 125 0150 75 100 50 25 i o1 = 0.5 a t j - operating junction temperature - c v dif1 - dropout voltage (input to output 1 ) - v v dif1 vs. t j ( pc37m31) 1 0.8 0.6 0.4 0.2 0 ? 25 125 0 150 75 100 50 25 i o1 = 0.5 a t j - operating junction temperature - c v dif1 - dropout voltage (input to output 1 ) - v v dif1 vs. t j ( pc37m32) 2 1.5 1 0.5 0 4 3 2 15 0 v dif1 - dropout voltage (input to output 1 ) - v i opeak1 - output 1 peak output current - a i opeak1 vs. v dif1 ( pc37m21) t j = 25 c
data sheet g16444ej2v0ds 10 pc37mxx series 2 1.5 1 0.5 0 4 3 2 15 0 t j = 25 c v dif1 - dropout voltage (input to output 1 ) - v i opeak1 - output 1 peak output current - a i opeak1 vs. v dif1 ( pc37m31) 2 1.5 1 0.5 0 4 3 2 15 0 v dif1 - dropout voltage (input to output 1 ) - v i opeak1 - output 1 peak output current - a i opeak1 vs. v dif1 ( pc37m32) t j = 25 c
data sheet g16444ej2v0ds 11 pc37mxx series package drawings (unit: mm) sc-98 (5-pin mp-3z) 0.9 max. 0.8 max. 5.5 0.2 2.0 min. 10.0 max. 5.0 0.2 4.3 max. 6.5 0.2 2.3 0.2 0.5 0.1 1.0 min. 1.5 typ. 0.5 1.5 +0.2 ? 0.1 0.8 1.27 1.27 sc-99 (5-pin mp-3) 5.5 0.2 7.0 min. 13.7 min. 5.0 0.2 6.5 0.2 2.3 0.2 0.5 0.1 1.5 + 0.2 ? 0.1 1.27 1.27 1.6 0.2 1.1 0.1 0.5 + 0.2 ? 0.1 0.5 + 0.2 ? 0.1 0.75
data sheet g16444ej2v0ds 12 pc37mxx series recommended mounting conditions the following conditions must be met for mounting conditions of the pc37mxx series. for more details, refer to the semiconductor device mount manual (http://www.n ecel.com/pkg/en/mount/index.html). please consult with our sales offices in case other mounting process is used, or in case the mounting is done under different conditions. type of surface mount device pc37mxxtj: sc-98 (5-pin mp-3z) process conditions symbol infrared ray reflow peak temperature: 235c or below (package surface temperature), reflow time: 30 seconds or less (at 210c or higher), maximum number of reflows processes: 3 times or less. ir35-00-3 vapor phase soldering peak temperature: 215c or below (package surface temperature), reflow time: 40 seconds or less (at 200c or higher), maximum number of reflows processes: 3 times or less. vp15-00-3 wave soldering solder temperature: 260c or below, flow time: 10 seconds or less, maximum number of flow processes: 1 time, pre-heating temperature: 120c or below (package surface temperature). ws60-00-1 partial heating method pin temperature: 300c 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. type of through-hole device pc37mxxhb: sc-99 (5-pin mp-3) process conditions wave soldering (only to leads) solder temperature: 260c or below, flow time: 10 seconds or less partial heating method pin temperature: 300c 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.
data sheet g16444ej2v0ds 13 pc37mxx series caution on use when the pc37mxx series is used with an input voltage that is lower than the value indicated in the recommended operating conditions, a large quiescent current flows through the device due to saturation of the transistor of the output stage. (refer to the i bias (i bias(s) ) vs. v in curves in typical characteristics). these products have saturation protector, but a current of up to 40 ma max. may flow through the device. thus, the power supply on the input side must have sufficient capacity to allow this quiescent current to pass when the device starts up. reference documents document name document no. usage of three-terminal regulators user?s manual g12702e voltage regulator of smd information g11872e semiconductor device mount manual information http:// www.necel.com/pkg/en/m ount/ index.html semiconductor selection guide - products and packages- x13769x
pc37mxx series the information in this document is current as of april, 2003. 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. "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 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) (1) "nec electronics" as used in this statement means nec electronics corporation and also includes its majority-owned subsidiaries. (2) "nec electronics products" means any product developed or manufactured by or for nec electronics (as defined above). ? ? ? ? ? ? m8e 02. 11-1

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