series m-78h-nz up to 12 watt | dc-dc converter 1 of 3 features: ? 3 pin sip package ? operating temperature -40c to +85c ? pin - out compatible with lm78xx linear regulators ? wide input range ? short circuit protection ? very high efficiency up to 96% ? non-isolated regulated outputs ? low ripple and noise models single output model input voltage (v) output voltage (v) output current max (a) efficiency vin min (%) efficiency vin max (%) input specifications input specifications nominal typical maximum units voltage range see the table above vdc filter capacitor quiescent current vin=(ll-hl) at full load 5 7 ma short circuit consumption 0.5 1.2 w output specifications output specifications conditions typical maximum units voltage accuracy 100% load 3 % short circuit protection continuous. short circuit restart auto recovery output current limit 2 a thermal shutdown internal ic junction 150 oc dynamic load stability 10-100% load 100 mv line voltage regulation vin=(ll - hl) at full load 0.4 % load voltage regulation 10-100% load 0.6 % temperature coefficient - 40c to +85c ambient 0.02 %/ o c ripple & noise 20mhz bandwidth 35 mv p-p maximum capacitive load 2000 f general specifications input specifications conditions typical maximum units switching frequency 100% load 330 khz operating temperature with derating above 71c -40 to +85 o c storage temperature - 55 to +1 25 o c max case temperature 100 o c cooling free air convection humidity 95 % case material non - conductive black plastic (ul94v - 0 rated) weight 3.7 g dimensions (l x w x h) 0.45 x 0.35 x 0.69 inch 11.5 0 x 8.9 0 x 17.5 0 mm mtbf > 2 000 000 hrs (mil - hdbk - 217f, ground benign, t=+25 c) soldering temperature 1.5 mm from case for 10 sec 300 o c note: all specifications in this datasheet are measured at an ambient temperature of 25c, humidity<75%, nominal input voltage and at rated output load unless otherwise specified. m-78h3.3-nz m-78h5.0-nz m-78h6.5-nz m-78h9.0-nz m-78h12-nz 4.75-28 6.5-32 9.0-32 12-32 16-32 3.3 5 6.5 9 12 90 93 94 95 96 83 88 90 92 94 1 1 1 1 1 www.make-ps.com e-mail:info@make-ps.com single output dc/dc converter
2 of 3 pin out specifications pin single 1 +vin 2 gnd 3 +vout dimensions footprint dimensions are typical values: mm (inch) general tolerance: 0.25 ( 0.01) pin tolerance: 0.1 ( 0.004) div: 2.54 (0.1) 2.54 (0.10) 2 . 5 4 ( 0 . 1 0 ) ? 1.0 +0.15/-0 (? 0.04 + 0.006/-0 make-ps www.make-ps.com e-mail:info@make-ps.com
3 of 3 derating typical application circuit m-78hxx-nz c1 22f c2 100f 3 1 2 vin gnd vout gnd c1: a low esr capacitor is required to keep the noise of the converter to a minimum. ceramic capacitors are recommended, but tantalum or electrolytic may be used. typical value is 22f / 50v. c2: installation of c2 is recommended but optional. typical recommended value is 100f / 25v electrolytic. note: this part is not designed for parallel operation. free air convection - 40 - 20 0 20 40 60 80 100 100 80 60 40 20 0 safe operating area o u t p u t p o w e r ( % ) 85 ambient temperature o c 71 c o e-mail:info@make-ps.com www.make-ps.com e-mail:info@make-ps.com
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