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1 publication date: october 2008 sff00102beb data sheet part no. package code no. an80m18rsp sp-5sua (exclusive use for an80mxxrsp) maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://panasonic.net/sc/en
an80m18rsp 2 sff00102beb contents ? overview ?????????????????????????????????????????. 3 ? features ?????????????????????????????????????????.. 3 ? applications ???????????????????????????????????????? 3 ? package ?????????????????????????????????????????. 3 ? type ??????????????????????????????????????????? 3 ? block diagram ??????????????????????????????????????? 4 ? application circuit example ?????????????????????????????????. 5 ? pin descriptions ??????????????????????????????????????. 6 ? absolute maximum ratings ?????????????????????????????????. 7 ? operating supply voltag e range ?????..?????????????????????????. 7 ? electrical characteristics ??????????????????????????????????. 8 ? electrical characteristics (reference values for design) ?????????????????????.. 9 ? technical data ??????????????????????????????????????.. 10 ? package dimensions ???????????????????????????????????? 12 ? usage notes ?????????? ?????.??????????????? ?????????. 13
an80m18rsp 3 sff00102beb an80m18rsp 5-pin, low dropout voltage regulato r with standby function (500 ma type) ? overview the an80mxxrsp series is a 0.5 a, low dropout voltage regulator ic with standby function, featuring low current consumption and low noise. ? features y standby consumption current : max.3 a y dropout voltage : 0.25 v y output voltage accuracy : 3% y 5-pin surface mounting package y ripple rejection ratio : 30 db (f = 500 khz) y output voltage : 1.8 v ? applications y general use power supply ? package y 5 pin plastic surface mount power package (sp type) ? type y silicon monolithic bipolar ic
an80m18rsp 4 sff00102beb ? block diagram 1 3 5 r2 r1 c out v in 2 4 input short-circuit protection error amp. + ? inrush current protection vref output stage overcurrent limitter thermal protection c in c nr v out (fin) 1 f 33 f cont. 3.3 f starter voltage reference output driver
an80m18rsp 5 sff00102beb ? application ci rcuit example 1 3 2 5 4 v cc fin 33 f load 0.1 f 0.1 f 3.3 f
an80m18rsp 6 sff00102beb ? pin descriptions description type pin name pin no. output voltage pin output v out 5 noise reduction pin open when the noise reduction function is not used ? n.r. 4 grounding pin electrically in common with radiation fin ground gnd 3 control pin high: operation, low: stop input cont. 2 input voltage pin input v in 1
an80m18rsp 7 sff00102beb ? absolute maximum ratings ? operating supply voltage range note unit rating symbol parameter no. ? a ? i cc supply current 2 *3,4 c ? 55 to + 150 t stg storage temperature 5 *3,4 c ? 30 to + 85 t opr operating ambient temperature 4 *2,4 mw 255 p d power dissipation 3 *1,4 v 14.4 v cc supply voltage 1 note unit range symbol parameter * v 2.3 to 14.0 v cc supply voltage range note) *: the values under the condition not exceeding the above absolute maximum ratings and the power dissipation. note) *1: the values under the condition not exceeding the above absolute maximum ratings and the power dissipation. *2: the power dissipation shown is the value at t a = 85 c for the independent (unmounted) ic package. when using this ic, refer to the y p d -t a diagram in the ? technical data and use under the condition not exceeding the allowable value. *3: except for the powe r dissipation, operating ambient temperature, and storage temperature, all ratings are for t a = 25 c. *4: this ic is not suitable for automobile equipment use.
an80m18rsp 8 sff00102beb ? electrical characteristics note) unless otherwise specified, t a = 25 c 2 c, c in = 3.3 f, cnr = open and c out = 33 f v in = 2.8 v v in = 2.0 v i out = 500 ma v in = 3.8 v 1 v f = 120 hz , i out = 100 ma ? ma 5 ? ? v in = 1.71 v i out = 0 v i rush bias current before starting regulation v in = 14.0 v v cont = 0 v v in = 2.8 v 14.0 v i out = 250 ma v in = 2.8 v the output current value when v out decreases by 5% from its value at i out = 250 ma v in = 2.8 v 14.0 v i out = 250 ma v in = 2.8 v ? db ? ? rr1 ripple rejection ratio 1 58.8 ? a 3.0 ? i stb standby consumption current ? *1 mv 18 ? reg in line regulation ? 9 *1 v 0.6 0.3 ? v in = 1.9 v i out = 250 ma v dif(min)1 minimum input / output voltage difference 1 12 *1 v 1.0 ? ? v dif(min)2 minimum input / output voltage difference 2 13 ? v ? ? 1.8 v cont(h) control terminal threshold high voltage 14 ? v 0.5 ? ? v cont(l) control terminal threshold low voltage 15 *1 v 1.854 1.8 1.746 v in = 2.8 v i out = 250 ma v out output voltage 1 2 *1 mv 36 ? ? v in = 2.8 v i out = 0 ma 500 ma reg loa load regulation 3 *1 ma ? ? 600 i peak1 peak output current 4 ? ma 3.0 1.1 ? v in = 2.8 v i out = 0 ma i bias bias current under no load 5 *1 ma 5 ? ?5 ibias (in) bias current fluctuation to input 6 *1 ma 50 ? ? v in = 2.8 v i out = 0 ma 500 ma ibias (loa) bias current fluctuation to load 7 8 ? a 30 ? ? v in = 2.8 v, i out = 250 ma v cont = 1.8 v i cont control terminal current 10 11 limits typ unit max note min conditions symbol parameter b no. note) *1: unless otherwise specially provided, shorten each test time (within 10 ms) so that the test is conducte d under the cond ition that the drift to the temperature increase in the chip junction part can be neglected.
an80m18rsp 9 sff00102beb ? electrical characteristics (r eference values for design) note) unless otherwise specified, t a = 25 c 2 c, c in = 3.3 f, cnr = open and c out = 33 f the characteristics listed below are reference values for design of the ic and are not guaranteed by inspection. if a problem does occur related to these characteristics, panasonic will respond in good faith to user concerns. v in = 14.0 v v out = gnd 10 hz f 100 khz i out = 100 ma, v in = 2.8 v cnr = 1 f *1 v[rms] ? 40 v no output noise voltage ? ? db ? 30 ? v in = 3.8 v 1 v f = 500 khz , i out = 100 ma rr2 ripple rejection ratio 2 1 2 ? ppm / c ? 40 ? v in = 2.8 v, i out = 5 ma ?30 c < t a <+ 125 c v out ??? t a output voltage temperature coefficient 3 ? ma ? 300 ? i oshort output short-circuit current 4 ? c ? 150 ? v in = 2.8 v i out = 5 ma t j(th) overheat protection operating temperature 5 reference values typ unit max note min conditions symbol parameter b no. note) *1: for this measurement, use the filter.
an80m18rsp 10 sff00102beb ? technical data y external compensation capacitor to ensure stability, a 3.3 f capacitor should be connected on the input side as close to gnd as possible, and a 3.3 f capacitor should be connected on the output side as close to gnd. note that when used at low temperatures, oscillations may result from an increase in the esr of the aluminum electrolytic capacitor. necessary to connect parallel ceramic etc. over 0.1 f with aluminum electrolytic capacitor. 0 200 400 600 800 1000 5 10 15 20 possible operating range 4 output current i out (ma) esr ( ) c in c out output current vs. input / output capacitor esr (equivalent series resistance) t a = 25 c
an80m18rsp 11 sff00102beb ? technical data (continued) y p d ?t a diagram
an80m18rsp 12 sff00102beb ? package dimensions (unit: mm) y sp-5sua (exclusive use for an80mxxrsp)
an80m18rsp 13 sff00102beb ? usage notes 1. be careful to the esr of external capacitors when selecting them, and perform a sufficient evaluation under the environmental conditions. wiring impedance of the mother board and the parasitic capacitance will also have an effect on the characteristics. make sure the wiring pattern layout will not cause an increase in the esr. 2. trough the capacitance value can be reduced if the esr of the capacitors connected to input/output pins are sufficiently smal l, be careful to the temperature characteristics of the esr of the capacitors and the capacitance value. 3. control input threshold voltage, v cont varies with change in temperature. pay careful attention that v cont increases as the temperature falls. (reference values) rate of change of control input (threshold voltage) logic high, v cont (h) : about ?6.9 mv / c rate of change of control input (threshold voltage) logic low, v cont (l) : about ?2.2 mv / c
request for your special attention and precautions in using the technical information and semiconductors described in this book (1) if any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and regulations of the exporting country, especially, those with regard to security export control, must be observed. (2) the technical information described in this book is intended only to show the main characteristics and application circuit examples of the products. no license is granted in and to any intellectual property right or other right owned by panasonic corporation or any other company. therefore, no responsibility is assumed by our company as to the infringement upon any such right owned by any other company which may arise as a result of the use of technical information described in this book. (3) the products described in this book are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). consult our sales staff in advance for information on the following applications: ? special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the prod- ucts may directly jeopardize life or harm the human body. ? any applications other than the standard applications intended. (4) the products and product specifications described in this book are subject to change without notice for modification and/or im- provement. at the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date product standards in advance to make sure that the latest specifications satisfy your requirements. (5) when designing your equipment, comply with the range of absolute maximum rating and the guaranteed operating conditions (operating power supply voltage and operating environment etc.). especially, please be careful not to exceed the range of absolute maximum rating on the transient state, such as power-on, power-off and mode-switching. otherwise, we will not be liable for any defect which may arise later in your equipment. even when the products are used within the guaranteed values, take into the consideration of incidence of break down and failure mode, possible to occur to semiconductor products. measures on the systems such as redundant design, arresting the spread of fire or preventing glitch are recommended in order to prevent physical injury, fire, social damages, for example, by using the products. (6) comply with the instructions for use in order to prevent breakdown and characteristics change due to external factors (esd, eos, thermal stress and mechanical stress) at the time of handling, mounting or at customer's process. when using products for which damp-proof packing is required, satisfy the conditions, such as shelf life and the elapsed time since first opening the packages. (7) this book may be not reprinted or reproduced whether wholly or partially, without the prior written permission of our company. 20080805

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