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sanken electric co., ltd. http://www.sanken-ele.co.jp/en/ description the mpm80, mpm81, and MPM82 are hybrid module ics that include a non-isolated step-down dc / dc converter circuit with an inductor in a full-mold package. these features allow simple circuit configurations using few components, contributing to a reduction in design time and pcb space. this product can operate by simply connecting an input smoothing capacitor, an output smoothing capacitor, and output voltage setting resistors. this contributes to a reduction in man-hours for design and evaluation. because this product contains a power inductor, the burdensome work of selecting and evaluating an inductor is unnecessary. adoption of the free-standing full-mold package provides the design flexibility of either screwing the package to a heatsink or mounting the package directly on a pcb substrate without installing a heatsink, depending on the output voltage setting and load conditions. features and benefits ? wide input voltage range: v in = 8 to 30 v ? high efficiency: 95% (max) for mpm80, 88% (max) for mpm81, and 93% (max) for MPM82 ? output voltage: 3.0 to 16 v for mpm80, 3.3 v for mpm81, and 5.0 v for MPM82 ? maximum output current: i o = 2 a ? operating frequency: 630 khz ? few external components required: ? built-in inductor ? built-in phase compensation circuit ? a variety of protection features include: ? overcurrent (ocp) with auto restart ? overvoltage (ovp) ? undervoltage lockout (uvlo) ? overtemperature (otp) with auto restart 2 a non-isolated step-down dc / dc converter modules typical application circuits th package: to-220-8l not to scale mpm8x series mpm80-ds, rev. 0.1 march 11, 2013 applications: ? fa devices ? communication devices ? consumer devices ? others mpm80 vin pgnd 3 45 7 6 sgnd fb vo mpm81 MPM82 vin pgnd 3 45 7 6 sgnd ff vo
2 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 selection guide part number input voltage (vdc) output voltage (vdc) output current (a) drive frequency (khz) efficiency (% max) mpm80 8 to 30 3 to 16 2 630 95 mpm81 8 to 30 3.3 2 630 88 MPM82 8 to 30 5 2 630 93 recommended operating conditions 1,2 characteristic symbol conditions min. max. unit input voltage range 3 v in 830v output voltage range v o mpm80 variable with external resistors 3.0 16.0 v mpm81 fixed voltage 3.23 3.37 v MPM82 fixed voltage 4.9 5.1 v output current range 4 i o 0 2.0 a operating junction temperature t jop ? 20 125 c operating temperature range 4 t a with derating ? 20 85 c 1 recommended operating conditions refer to operating conditions to maintain normal circuit functions specified in the electrical characteristics table in this document and they must be followed in actual use. 2 when connected as shown in figure 1. 3 derating is required; refer to the thermal characteristics section. 4 minimum value must be either 8 v or v o + 3 v, whichever is greater. absolute maximum ratings , valid at t a = 25c if not otherwise specified characteristic symbol conditions rating unit voltage between vin and gnd pins v in pgnd and sgnd tied together externally 35 v voltage between fb and gnd pins v fb pgnd and sgnd tied together externally 5 v voltage between vo and gnd pins v o pgnd and sgnd tied together externally 20 v mic capacity loss p loss no radiator added 2 w junction temperature t j ? 20 to 125 c storage temperature t stg ? 20 to 125 c thermal resistance r ja between mic junction and air; no heatsink 50 c/w the polarity value for current specifies a sink as "+," and a source as ? ? ,? referencing the device.
3 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 mpm80 electrical characteristics 1 t a = 25c, v in = 12 v, if not otherwise specified characteristic symbol test conditions min. typ. max. unit output voltage setting reference voltage v fbref i o = 1 a 0.784 0.800 0.816 v output voltage setting reference voltage temperature coefficient v fbref / tt a = ?20 to 85c ? 0.05 ? mv / c line regulation 2 v line v in = 8 to 30 v, v o = 5 v, i o = 1 a ?2 ? 2 % oscillation frequency f 567 630 693 khz load regulation 2 v load v o = 5 v, i o =0 to 2 a ?3 ? 3 % overcurrent protection (ocp) starting current 3 i s v o = 5 v, drooping/automatic restoration of operation when fault removed 2.4 ? 4.0 a circuit current i in i o = 0 a, v fb = 1 v ? 2.5 ? ma overvoltage protection (ovp) starting voltage 4 v ovp v in = 8 to 35 v ? 1.1 v fbref ?v mic overtemperature protection (otp) starting temperature t jotp v in = 8 to 35 v, automatic restoration of operation when fault removed 135 150 ? c undervoltage lockout (uvlo) voltage v uvlo 6.0 7.0 7.5 v uvlo release voltage v uvlo(off) 5.5 6.5 7.0 v uvlo hysteresis voltage 4 v uvlohys ? 0.5 ? v minimum input-output difference v invo(min) when v o is set to 12 v 3 ? ? v built-in software start time 4 t ss v in = 12 v, i o = 1.0 a ? 6.4 ? ms maximum on duty cycle 4 d max ?90? % minimum on-time 4 t min ? 160 ? ns inductance value l 4.48 5.60 6.72 h 1 the electrical characteristics value specifications apply when the mpm80 is connected as shown in figure 1. 2 v line and v load do not include output voltage setting deviation. note that output voltage setting deviation is affected by precision of the ex ternal resistors r1 and r2. for details, refer to the application information section. 3 when the output voltage, v o , is set to any value other than 5.0 v, the inductance value and operating frequency of the built-in inductor change in direct proportion with to the setting output voltage. therefore, the ocp operating point may vary significantly from the value when v o = 5.0 v. 4 determined by design, not tested in production.
4 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 mpm81 electrical characteristics 1 t a = 25c, v in = 12 v, if not otherwise specified characteristic symbol test conditions min. typ. max. unit output voltage setting reference voltage v fbref v in = 8 to 30 v, i o = 1 a 3.23 3.30 3.37 v line regulation v line v in = 8 to 30 v, i o = 1 a ?2 ? 2 % oscillation frequency f 567 630 693 khz load regulation v load i o =0 to 2 a ?3 ? 3 % overcurrent protection (ocp) starting current i s v o = 5 v, drooping/automatic restoration of operation when fault removed 2.7 ? 4.4 a circuit current i in i o = 0 a, v fb = 1 v ? 2.5 ? ma overvoltage protection (ovp) starting voltage 2 v ovp v in = 8 to 35 v ? 1.1 v fbref ?v mic overtemperature protection (otp) starting temperature t jotp v in = 8 to 35 v, automatic restoration of operation when fault removed 135 150 ? c undervoltage lockout (uvlo) voltage v uvlo 6.0 7.0 7.5 v uvlo release voltage v uvlo(off) 5.5 6.5 7.0 v uvlo hysteresis voltage 2 v uvlohys ? 0.5 ? v minimum input-output difference v invo(min) 3??v built-in software start time 2 t ss v in = 12 v, i o = 1.0 a ? 6.4 ? ms maximum on duty cycle 2 d max ?90? % minimum on-time 2 t min ? 160 ? ns inductance value l 4.48 5.60 6.72 h 1 the electrical characteristics value specifications apply when the mpm80 is connected as shown in figure 1. 2 determined by design, not tested in production.
5 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 MPM82 electrical characteristics 1 t a = 25c, v in = 12 v, if not otherwise specified characteristic symbol test conditions min. typ. max. unit output voltage setting reference voltage v fbref v in = 8 to 30 v, i o = 1 a 4.90 5.00 5.10 v line regulation v line v in = 8 to 30 v, i o = 1 a ?2 ? 2 % oscillation frequency f 567 630 693 khz load regulation v load i o =0 to 2 a ?3 ? 3 % overcurrent protection (ocp) starting current i s v o = 5 v, drooping/automatic restoration of operation when fault removed 2.4 ? 4.0 a circuit current i in i o = 0 a, v fb = 1 v ? 2.5 ? ma overvoltage protection (ovp) starting voltage 2 v ovp v in = 8 to 35 v ? 1.1 v fbref ?v mic overtemperature protection (otp) starting temperature t jotp v in = 8 to 35 v, automatic restoration of operation when fault removed 135 150 ? c undervoltage lockout (uvlo) voltage v uvlo 6.0 7.0 7.5 v uvlo release voltage v uvlo(off) 5.5 6.5 7.0 v uvlo hysteresis voltage 2 v uvlohys ? 0.5 ? v minimum input-output difference v invo(min) 3??v built-in software start time 2 t ss v in = 12 v, i o = 1.0 a ? 6.4 ? ms maximum on duty cycle 2 d max ?90? % minimum on-time 2 t min ? 160 ? ns inductance value l 4.48 5.60 6.72 h 1 the electrical characteristics value specifications apply when the mpm80 is connected as shown in figure 1. 2 determined by design, not tested in production.
6 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 characteristic performance mpm80 device 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.00 0.50 1.00 1.50 2.00 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 0 10 20 30 40 50 60 70 80 90 100 0.00 0.50 1.00 1.50 2.00 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 i o (a) i o (a) i o (a) i o (a) (% ) v o (v) t (c) loss (w) efficiency versus output current v o = 5 v, t a = 25c internal loss versus output current v o = 5 v, t a = 25c load regulation versus output current v o = 5 v, t a = 25c temperature rise versus output current v o = 5 v, t a = 25c
7 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 mpm81 device 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 (%) io (a) vin=8v vin=12v vin=18v vin=24v vin=28v 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 (%) io(a) 8 v in (v) 12 18 24 28 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.00 0.50 1.00 1.50 2.00 vo (v) io (a) vin=8v vin=12v vin=18v vin=24v vin=28v 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 0.00 0.50 1.00 1.50 2.00 vo(v) io(a) 8 v in (v) 12 18 24 28 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 0.00 0.50 1.00 1.50 2.00 loss(w) io(a) 8 v in (v) 12 18 24 28 0 10 20 30 40 50 60 70 80 90 100 0.00 0.50 1.00 1.50 2.00 t(c ) io(a) 8 v in (v) 12 18 24 28 efficiency versus output current v o = 5 v, t a = 25c internal loss versus output current v o = 5 v, t a = 25c load regulation versus output current v o = 5 v, t a = 25c temperature rise versus output current v o = 5 v, t a = 25c
8 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 MPM82 device 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.00 0.50 1.00 1.50 2.00 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 0 10 20 30 40 50 60 70 80 90 100 0.00 0.50 1.00 1.50 2.00 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 i o (a) i o (a) i o (a) i o (a) (% ) v o (v) t (c) loss (w) 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 (%) io (a) vin=8v vin=12v vin=18v vin=24v vin=28v 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 (%) io(a) vin=8v vin=12v vin=18v vin=24v vin=28v 0 20 40 60 80 100 0.00 0.50 1.00 1.50 2.00 (%) io (a) 8 v in (v) 12 18 24 28 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.00 0.50 1.00 1.50 2.00 vo (v) io (a) vin=8v vin=12v vin=18v vin=24v vin=28v 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 0.00 0.50 1.00 1.50 2.00 vo(v) vin=8v vin=12v vin=18v vin=24v vin=28v 4.85 4.90 4.95 5.00 5.05 5.10 5.15 0.00 0.50 1.00 1.50 2.00 vo (v) 8 v in (v) 12 18 24 28 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 0.00 0.50 1.00 1.50 2.00 loss(w) io(a) 0 10 20 30 40 50 60 70 80 90 100 0.00 0.50 1.00 1.50 2.00 t( ` ) 8 v in (v) 12 18 24 28 8 v in (v) 12 18 24 28 efficiency versus output current v o = 5 v, t a = 25c internal loss versus output current v o = 5 v, t a = 25c load regulation versus output current v o = 5 v, t a = 25c temperature rise versus output current v o = 5 v, t a = 25c
9 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 standard connection diagram figure 1. mpm8x standard circuit connection diagram c2 vin c1 l1 c3 vo mpm8x fb pgnd sgnd r l c out r1 (mpm80 only) r2 (mpm80 only) e in c in c p control ic mic recommended circuit constants* mpm80, mpm81, and MPM82 e in source of input voltage c in 100 to 1000 f; not required if the input voltage is stable c out 220 to 1000 f (electrolytic capacitor) or 47 to 100 f (ceramic capacitor); when using an electrolytic capacitor, use a low-impedance capacitor c p 100 to 470pf (add cp. when ceramic capacitor is used for cout.) r l load mpm80 only r1 680 to 1.5 k r2 with r1 sets the output voltage, according to the following formula: r 2 r 1 = v o v fbref ? 1 ? ? ? ? ? ? ? ? (1) where v o is the target output voltage, and v fbref is the fb pin reference voltage, 0.8 v (typ) *if operation is unstable, add a bypass capacitor (1 f, ceramic) as near as possible to the device, between vin and pgnd pins.
10 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 thermal derating figure 2. mpm80 thermal derating curve; measurement conditions: v o = 5 v, no heatsink 0.0 0.5 1.0 1.5 2.0 2.5 i o (a) t a (c) -20 0 20 40 60 80 100 v in = 12 v v in = 24 v figure 2 shows thermal derating curves for the mpm80. the mpm80 requires derating based on the ambient temperature, t a , in use. use the mpm80 within the thermal derating curves shown in figure 2. if using the mpm80 outside the curves, consider using a heatsink. in this case, the thermal resistance, r j-c , between the mpm80 junction and case is 8 c/w. therefore, use the mpm80 at a junction temperature, t j , of 125c or less, with t j calculated using the following procedure. 1. the internal loss, p loss , of the mpm80 in use is calculated as follows: p loss = ( i in v in ) ? ( i o v o ) (2) where p loss is the internal loss of the mpm80, in watts, i in is the input current of the mpm80, in amperes, v in is the input voltage of the mpm80, in volts, i o is the output current of the mpm80 in amperes, and v o is the output voltage of the mpm80, in volts. overall thermal resistance, r j-h , is determined by adding the thermal resistances of the mpm80 and a heatsink, as follows: r j-h = r j-c + r h (3) where r j-h is the thermal resistance between the mpm80 and heat- sink, in degrees celsius per watt, r j-c is the thermal resistance between the mpm80 junction and the mpm80 case, in degrees celsius per watt, and r h is the thermal resistance of the heatsink, in degrees celsius per watt. junction temperature, t j , is calculated as follows: t j = p loss r j-h (4) because the maximum t j rating of the mpm80 is 125c, please use the mpm80 at a junction temperature of 125c or less.
11 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 recommended pcb layout mpm80 357 246 vin gnd gnd vo c out r1 r2 r3 c in + ? + ? c in : input capacitor c out : output capacitor r1: output voltage setting resistor (fb to gnd resistance) r2 and r3: output voltage setting resistors (vo to fb resistance) ? place c in and c out as close to the mpm80 as possible. ? connect r1, r2, and r3 from the output voltage connection point to the sgnd (5th) pin. ? a switching current flows through the pgnd (4th) pin along the connection between c out and the mpm80 and therefore the common impedance of the gnd loop and the switching current cause a voltage drop. note that connecting this circuit to the gnd point for output voltage detecting resistance may result in deterioration of regulation.
12 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 pin list table number name function 2 nc not connected 3 vin power input 4 pgnd ground, power circuits 5 sgnd ground, control circuits 6 vo output 7 fb feedback functional block diagram pin-out diagram 2 4 6 3 5 7 nc vin pgnd sgnd vo fb c2 3 vin c1 l1 c3 6 vo 7 fb 4 pgnd 5 sgnd control ic mic
13 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 ? 3.20.2 40.2 0.5 16.9 0.3 `? 2.6 0.1 (5.4) r-end 50.5 10.4 0.5 ( 2x r 1 ) 5.08 0.5 6x0.55 +0.2 -0.1 1 2345678 10 0.2 1.1max 0.45 +0.2 -0.1 4.2 0.2 0.5 0.5 0.5 0.5 6x0.67 7xp1.170.15, t = 8.19 0.15 ? marking surface measured at pin root measured at root of pin measured at pin tip front view side view gate bur r pin connected internally package outline drawing, to-220-8l package marking unit: mm gate burr: 0,3 mm (max) pin core material: cu pin treatment: cu + solder dip product weight: approximately 20 g heatsink screw tightening torque: 6 to 8 kgf ? cm pb-free. device composition compliant with the rohs directive. line 1. product name: mpm8x line 1. lot number 1st character: last one digit of year 2nd character: manufacture month jan. to sep. = 1 to 9 oct. = o, nov. = n, dec. = d 3rd and 4th characters: manufacture day of month, 1 to 31
14 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 cautions and warnings ? the parallel operation to increase the current is not available. ? thermal shutdown. the mpm01 has a thermal protection cir- cuit. this circuit keeps the ic from overheating due to overload. but this circuit cannot guarantee long-term reliability against continuously overloaded status. ? heat radiation and reliability. the reliability of an ic is insepa- rable from the temperature in its operation. careful consideration should be given to heat radiation and a sufficient safety margin must be allowed when designing a heatsink. when mounting the mpm01 to the heatsink, be sure to apply silicone grease and securely screw it. please use one of the following greases we suggest: type suppliers g746 shin-etsu chemical co., ltd. yg6260 momentive performance materials inc. sc102 dow corning toray co., ltd. ? cautions for mounting to heatsink. when the flatness around screw holes is insufficient, such as when mounting the product to the heatsink with extruded (burred) screw holes, the product can be damaged even with a lower screw torque than the recom- mended value. for mounting products, the mounting surface flatness should be 0.05 mm or less. please select suitable screws for product shape. do not use a flat- head machine screw because of the stress to products. a tapping screw is not recommended for the packages. when using tapping screws, a screw may enter diagonally, not vertically, depending on the conditions of hole before threading or the work situation. that may stress on the products and may cause failures. for tightening screws, if a tightening tool (such as a driver) hits the product, the package may crack, and stress, which shortens the element lifetimes and can cause the destruction, is put on internally. tightening with an air driver makes a large impact. a screw torque higher than recommended torque can be applied and the package may be damaged. therefore, an electric driver is recommended. when the package is secured at two or more places, tighten with the specified torque, after pre-tightening with a torque at all places. for using a driver, torque control is manda- tory.
15 sanken electric co., ltd. 2 a non-isolated step-down dc / dc converter modules mpm8x series march 11, 2013 mpm80-ds, rev. 0.1 ? the contents in this document are subject to changes, for improvement and other purposes, without notice. make sure that this is the latest revision of the document before use. ? application and operation examples described in this document are quoted for the sole purpose of reference for the use of the prod- ucts herein and sanken can assume no responsibility for any infringement of industrial property rights, intellectual property r ights or any other rights of sanken or any third party which may result from its use. ? although sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of se micon- ductor products at a certain rate is inevitable. users of sanken products are requested to take, at their own risk, preventativ e measures including safety design of the equipment or systems against any possible injury, death, fires or damages to the society due to device failure or malfunction. ? sanken products listed in this document are designed and intended for the use as components in general purpose electronic equ ip- ment or apparatus (home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). when considering the use of sanken products in the applications where higher reliability is required (transportation equipment and its control systems, traffic signal control systems or equipment, fire/crime alarm systems, various safety devices, etc.), and whenever long life expectancy is required even in general purpose electronic equipment or apparatus, please contact your nearest sanken sales representative to discuss, prior to the use of the products herein. the use of sanken products without the written consent of sanken in the applications where extremely high reliability is requi red (aerospace equipment, nuclear power control systems, life support systems, etc.) is strictly prohibited. ? in the case that you use sanken products or design your products by using sanken products, the reliability largely depends on the degree of derating to be made to the rated values. derating may be interpreted as a case that an operation range is set by dera ting the load from each rated value or surge voltage or noise is considered for derating in order to assure or improve the reliability. in general, derating factors include electric stresses such as electric voltage, electric current, electric power etc., environmental stres ses such as ambient temperature, humidity etc. and thermal stress caused due to self-heating of semiconductor products. for these stress es, instantaneous values, maximum values and minimum values must be taken into consideration. in addition, it should be noted that since power devices or ic's including power devices have large self-heating value, the de gree of derating of junction temperature affects the reliability significantly. ? when using the products specified herein by either (i) combining other products or materials therewith or (ii) physically, ch emically or otherwise processing or treating the products, please duly consider all possible risks that may result from all such uses in advance and proceed therewith at your own responsibility. ? anti radioactive ray design is not considered for the products listed herein. ? sanken assumes no responsibility for any troubles, such as dropping products caused during transportation out of sanken's dis tribu- tion network. ? the contents in this document must not be transcribed or copied without sanken's written consent.

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