M78A switching regulator 0.5a , sip package e-mail:sales@minmax.com.tw tel:886-6-2923150 2014/04/15 rev:6 page 1 of 3 ? features ? sip-package 11.5x7.55x10.2 mm ? pin-out compatible with lm78xx linear regulators ? very high efficiency up tp 97% ? excellent line/loads regulation ? low ripple and noise ? short circuit protection ? operating temp.range -40c to +90c ? thermal shutdown ? low stand-by current ? 3 years product warranty product overview the minmax M78A series is a new range of switching regulators designed as a dropin replacement for ol d lm78xx linear regulators with low efficiency.the very high efficiency of these stepd own converters allow an operating temperature up to 80c at fullload without need of any heatsink. th e regulators come in a package which fits in the stan dard to220 footprint of linear regulators. the high efficiency and low standby power consumpt ion of these switching regulators offer the designe r a new, costefficient solution for many applicati ons. model selection guide model number input voltage range (6) output voltage output current max. capacitive load efficiency (typ.) efficiency (typ.) max. @min. vin @max. vin vdc vdc ma f % % M78Ar015-0.5 4.75 ~ 32 1.5 500 220 73 63 M78Ar018-0.5 1.8 500 220 82 71 M78Ar025-0.5 2.5 500 220 87 77 M78Ar033-0.5 3.3 500 220 91 81 M78Ar05-0.5 6.5 ~ 32 5 500 220 94 86 M78Ar065-0.5 8 ~ 32 6.5 500 220 95 88 M78Ar09-0.5 11 ~ 32 9 500 220 96 92 M78Ar12-0.5 15 ~ 32 12 500 220 97 94 M78Ar15-0.5 18 ~ 32 15 500 220 97 95 input specifications parameter conditions min. typ. max. unit input surge voltage (1 sec. max.) 0.3 34 vdc internal filter type capacitor internal power dissipation 0.4 w short circuit input power 1.5 w input current @no load 5 ma output specifications parameter conditions min. typ. max. unit output voltage setting accuracy 2.0 3.0 %vno m. line regulation vin=min. to max. 1.5v to 6.5v 0.2 0.4 % 9v to 15v 0.1 0.2 % load regulation io=10% to 100% 1.5v to 6.5v 0.4 0.6 % 9v to 15v 0.25 0.4 % min.load no minimum load requirement ripple & noise 020mhz bandwidth 1.5v to 6.5v 30 mv pp 9v to 15v 40 mv pp transient recovery time 50% load step change 100 sec transient response deviation 2 % temperature coefficient 0.015 %/ short circuit protection continuous
m 78a switching regulator 0.5a , sip package e-mail:sales@minmax.com.tw tel:886-6-2923150 2014/04/15 rev:6 page 2 of 3 ? general specifications parameter conditions min. typ. max. unit i/o isolation voltage none switching frequency 280 330 380 khz mtbf(calculated) milhdbk217f@25 , ground benign 2,000,000 hours environmental specifications parameter conditions min. typ. max. unit operating ambient temperature range (see power dera ting curve) natural convection 40 +90 case temperature +100 storage temperature 55 +125 thermal shutdown internal ic junction 160 humidity (non condensing) 95 % rel. h leadfree reflow solder process(1.5mm from case for 10sec.) 260 emc specifications parameter standards & level performance conducted emi compliance to en55022 and fcc part 15 class b (see page 3) radiated emissions en55022 class b esd en6100042 air8kv class a radiated immunity en6100043 3v/m class a fast transient (4) en6100044 0.5kv class a conducted immunity en6100046 3vrms class a magnetic field immunity en6100048 3a/m class a power derating curve notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage, rated outp ut current unless otherwise noted. 2 other input and output voltage may be available, pl ease contact factory. 3 we recommend to protect the converter by a slow blo w fuse in the input supply line. 4 the M78A series can meet en6100044 by adding a ca pacitor across the input pins. suggested capacitor chemicon ky 330f/100v. 5 that natural convection is about 20lfm but is not equal to still air (0 lfm). 6 with a input capacitor 22f/50v for input voltage > 28vdc, the input voltage allows 32vdc, max. 7 specifications are subject to change without notice .
m 78a switching regulator 0.5a , sip package 18, sin sin road, an-ping industrial district, tainan 7 02, taiwan tel: 886-6-2923150 fax: 886-6-2923149 e-mail: sales@minmax.com.tw 2014/04/15 rev:6 page 3 of 3 ? minmax technology co., ltd. emi-filter to meet en 55022, class a, class b; fcc part 15 ,level a class c1 c2 c3 l1 class a 4.7f/50v 1206 mlcc 4.7f/50v 1206 mlcc wurth elektronik no. 744774033 class b 4.7f/50v 1206 mlcc 4.7f/50v 1206 mlcc 4.7f/50v 1 206 mlcc wurth elektronik no. 74477410 package specifications mechanical dimensions pin connections pin function 1 +vin 2 gnd 3 +vout ? all dimensions in mm (inches) ? tolerance: x.x0.5 (x.xx0.02) x.xx0.25 ( x.xxx0.01) ? pins 0.05(0.002) physical characteristics case size : 11.5x7.55x10.2mm (0.45x0.30x0.40 inches) case material : nonconductive black plastic (flammability to ul 94 v0 rated) pin material : alloy 42 weight : 1.95g M78A module l1 c3 c2 c1 +vin gnd +vout load 11.5 [0.45] 10.2 [0.40] 0.5 [0.02] 7.55 [0.30] 4.1 [0.16] 2x2.54 [2x0.10] 0.5 [0.02] 0.70 [0.03] 1 2 3 bottom view 2.0 [0.08] 10.5 [0.41] 0.25 [0.01] 3.2 [0.13]
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