models vdc o utput b2-93 size (max.): 1.010 x 0.880 x 0.250 inches (25.65 x 22.35 x 6.35 mm) shown with ?ull wing?lead option, also available with straight leads. see section b8, case b, for dimensions and options. weight: 12 grams maximum screening: standard, es, or 883 (class h). see section c2 for screening options, see section a5 for ordering information. single 5 12 15 dual ? ? 2 ? 5 description the mgh series of dc/dc converters delivers 1.5 watts of output power in a labor saving surface mount package. the wide input voltage range of 12 to 50 vdc accepts the varying voltages of mili- tary, aerospace, or space applications. single output converters feature outputs of 5, 12, or 15 volts while dual output models feature outputs of 5, 12, or 15 volts. transient protection of 80 volts for up to 120 milliseconds exceeds the requirements of mil-std-704a for the 5 and 12 volt single and dual models. the 15 volt single and dual converters will withstand transients of up to 70 volts for up to 120 milliseconds. c onverter d esign mgh series dc/dc converters incorporate a continuous flyback topology with a constant switching frequency of approximately 370 khz. output voltage regulation is accomplished on the primary side using current-mode pulse width modulation (pwm). regulation is affected by the output load; refer to the specifications tables for more information. for dual output models, up to 80% of the total load may be on one output providing the other output carries a minimum of 20% of the total load. the dual models can be used at double the output voltage by connecting the load between positive and negative outputs, leaving the common unconnected. as an example the mgh2805d (5 volt dual output) can be used as a 10 vdc output. i nhibit f unction when an open collector ttl logic low is applied to the inhibit terminal, pin 18, the converter shuts down and lowers the output voltage to near zero and input current to as low 2.3 ma. leaving the terminal open or applying an open collector ttl logic high will enable the converter. p rotection f eatures undervoltage lockout prevents the mgh series converters from operating below approximately 8 vdc input voltage to keep system current levels smooth, especially during initialization or re-start oper- ations. all models include a soft-start function to prevent large current draw and minimize overshoot. the mgh series of converters also provide short circuit protection by limiting the current to approximately 125% of full load. mil-std-461 use interpoint s fmga-461 emi filter to pass the ce03 require- ments of mil-std-461c. s urface m ount p ackage mgh dc/dc converters can be surface mounted with pick-and- place equipment or manually. it is recommended that the case be attached with flexible epoxy adhesive or silicone which is thermally conductive (>1 watt /meter/?). internal components are soldered with sn96 (melting temperature 221?) to prevent damage during reflow. maximum reflow tempera- ture for surface mounting the mgh converter is 220? for a maximum of 30 seconds. sn60, 62, or 63 are the recommended types of solder. hand soldering should not exceed 300? for 10 seconds per pin. the hermetically sealed metal cases are available in two different lead configurations. see section b8, case b. dc/dc c onverters 28 v olt i nput mgh series 1.5 watt f eatures ?5 to +125? operation 12 to 50 vdc input fully isolated magnetic feedback fixed frequency 370 khz typical topology ?current mode flyback 80 v for up to 120 ms transient protection (70 v for 15 v single and dual models) inhibit function indefinite short circuit protection up to 79% efficiency
typical characteristics recommended operating conditions absolute maximum ratings inhibit input voltage 12 to 50 v output power 1.5 watts capacitive load 200 f single output models 100 f each output, dual output models lead soldering temperature reflow 220? 30 sec. max sn60, 62 or 63 recommended solder hand solder 300? 10 sec. max per lead storage temperature range (case) ?5? to +150? b2-94 mgh series 1.5 watt dc/dc c onverters output voltage temperature coefficient 100 ppm/? typical input to output capacitance 100 to 170 pf typical undervoltage lockout 8 v input typical current limit 125% of full load typical isolation 100 megohm minimum at 500 v conversion frequency (khz) 25? 300 min, 370 typ, 450 max ?5? to +125? 270 min, 370 typ, 470 max inhibit pin voltage (unit enabled) 7 to 12 v input voltage range 12 to 50 vdc continuous 80 v for 120 msec transient (70 v for 15 v single and dual models) case operating temperature (tc) ?5? to +125? full power ?5? to +135? absolute derating output power/current linearly from 100% at 125c to 0% at 135 c electrical characteristics: 25? tc, 28 vdc vin, 100% load, unless otherwise specified. inhibit: ttl open collector logic low (output disabled) logic low voltage 0.8 v inhibit pin current 1 ma max referenced to input common logic high (output enabled) open collector single output models mgh2805s mgh2812s mgh2815s parameter conditions min typ max min typ max min typ max units output voltage 1 tc = 25? 4.95 5 5.05 11.88 12 12.12 14.85 15 15.15 vdc tc = ?5? to +125? 4.80 5 5.20 11.52 12 12.48 14.40 15 15.60 output current v in = 12 to 50 vdc 0 300 0 125 0 100 ma output power v in = 12 to 50 vdc 0 1.5 0 1.5 0 1.5 w output ripple 10 khz - 2 mhz 45 150 50 200 35 150 mv p-p voltage tc = ?5? to +125? 65 300 70 300 50 250 line regulation vin = 12 to 50 vdc 35 100 60 200 70 300 mv tc = ?5? to +125? 40 120 70 250 80 350 load regulation 10% to full load 350 700 600 1300 700 1500 tc = ?5? to +125? 380 800 640 1400 760 1600 50% to full load 100 200 145 300 165 350 mv tc = ?5? to +125? 115 300 160 400 185 450 input voltage continuous 12 28 50 12 28 50 12 28 50 vdc no load to full transient 120 ms 0 80 0 80 0 70 v input current no load 5.5 10 6.0 10 6.0 11 tc = ?5? to +125? 6.0 11 6.5 12 6.5 12 full load 70 74 68 72 68 72 ma tc = ?5? to +125? 73 78 70 74 70 74 inhibited 2.3 3.2 2.3 3.2 2.3 3.2 tc = ?5? to +125? 2.4 3.5 2.4 3.5 2.4 3.5 input ripple 10k hz - 10 mhz 100 200 100 200 100 200 ma p-p current 2 tc = ?5? to +125? 130 250 150 250 150 250 efficiency tc = 25? 72 77 74 79 74 79 % tc = ?5? to +125? 69 75 72 77 72 77 load fault 3, 4 power dissipation 1.3 2.0 2.0 3.2 2.3 3.7 w tc = ?5? to +125? 1.4 2.3 2.2 3.5 2.5 4.0 recovery 3.0 12 3.5 15 4.0 18 ms tc = -?5? to +125? 3.5 15 3.5 20 4.0 20 step load transient ?00 185 400 ?00 350 700 ?00 350 700 mv pk response 5 tc = ?5? to +125? ?00 185 500 ?00 380 800 ?00 380 800 50 %?00%?50% recovery 125 500 130 500 140 600 ? tc = ?5? to +125? 125 600 130 600 180 750 step line transient ?00 170 400 ?00 400 900 ?50 400 750 mv pk response 5 tc = ?5? to +125? ?00 180 500 ?000 400 1000 ?50 450 850 12 to 50 to 12 v in recovery 0.75 3.0 0.6 2.5 0.47 2.0 ms tc = ?5? to +125? 0.75 4.0 0.6 3.0 0.5 2.5 start-up delay 7 20 7 20 7 20 ms 0 to 28 vdc tc = ?5? to +125? 10 40 10 40 10 40 overshoot 0 100 0 250 0 300 mv pk tc = ?5? to +1 25? 0 150 0 350 0 450 notes 1. specified at 50% of full load. 2. lin = 2 h 3. max. duration of short circuit: 25??90 seconds; 125? ?30 seconds. 4. load fault is a short circuit (<50 mohms). recovery into resistive full load. 5. input step transition 3 10 s.recovery is time to settle to within 1% of vout final value.
b2-95 mgh series 1.5 watt dc/dc c onverters dual output models mgh2805d mgh2812d mgh2815d parameter conditions min typ max min typ max min typ max units output voltage 1 tc = 25? 4.95 5 5.05 11.88 12 12.12 14.85 15 15.15 vdc tc = ?5? to +125? 4.80 5 5.20 11.52 12 12.48 14.40 15 15.60 output current 2 v in = 12 to 50 vdc 0 150 240 0 62.5 100 0 50 80 ma output power v in = 12 to 50 vdc 0 1.5 0 1.5 0 1.5 w output ripple 10 khz - 2 mhz 35 150 35 150 30 150 voltage +v out tc = ?5? to +125? 50 250 40 250 35 250 mv p-p ? out 10 khz - 2 mhz 35 150 35 150 30 150 tc = ?5? to +125? 50 250 40 250 35 250 line regulation 3 vin = 12 to 50 vdc 10 50 100 300 165 500 v tc = ?5? to +125? 20 100 110 400 180 650 load regulation 3 , 4 10% to full load 300 600 550 1100 600 1300 ?5? to +125? 350 700 570 1200 630 1400 mv 50% to full load 80 200 115 250 125 300 ?5? to +125? 100 300 130 350 135 400 cross regulation 5 ? out 400 500 500 mv input voltage continuous 12 28 50 12 28 50 12 28 50 vdc no load to full transient 120 ms 0 80 0 80 0 70 v input current no load 5.0 10 7.5 13 7.5 13 tc = ?5? to +125? 6.0 12 8.0 14 8.0 14 full load 69 73 70 73 71 74 ma tc = ?5? to +125? 72 77 71 77 72 78 inhibited 2.3 3.2 2.3 3.2 2.3 3.2 tc = ?5? to +125? 2.4 3.5 2.4 3.5 2.4 3.5 input ripple 6 10 khz - 10 mhz 100 200 115 200 90 200 ma p-p current tc = ?5? to +125? 130 250 150 250 120 250 efficiency tc = 25? 73 77 73 77 72 76 % tc = ?5? to +125? 70 75 70 75 69 74 load fault 7,8 power dissipation 1.4 2.2 2.5 3.8 2.7 4.1 w tc = ?5? to +125? 1.6 2.5 2.7 4.2 3.0 4.5 recovery 3.7 15 3.2 15 4.0 15 ms tc = ?5? to +125? 3.8 20 3.2 20 4.0 20 step load transient ?00 130 300 ?00 250 600 ?00 250 600 mv pk response 9 tc = ?5? to +125? ?00 140 400 ?00 260 700 ?00 270 700 ? out recovery 100 400 165 700 50 200 ? 50 %?00%?50% ?5? to +125? 100 500 165 800 50 300 step line transient ?50 125 250 ?00 240 500 ?00 220 500 mv pk response 19 tc = ?5? to +125? ?00 130 300 ?00 250 600 ?00 230 600 ? out recovery 0.6 2.5 0.9 3.0 0.6 3.0 ms 12 to 50 to 12 v in tc = ?5? to +125? 0.6 3.0 0.9 4.0 0.7 4.0 start?p delay 8 25 8 25 8 25 ms 0 to 28 vdc, v out tc = ?5? to +125? 10 45 10 45 10 45 overshoot 0 100 0 250 0 750 mv pk tc = ?5? to +125? 0 150 0 350 0 900 electrical characteristics: 25? tc, 28 vdc vin, 100% load, unless otherwise specified. notes: 1. specified at 50% load. 2. max. spec indicates 80% of the converter s total available power. this 80% is available from either output. 3. specification applies to both + and ?out. 4. although no minimum load is required, at no load the output voltage may increase up to 15%. 5. cross regulation is specified as the effect on ?out for the following percent- ages of total output power: +po = 20% and ?o = 80% to +po=80% and ?o=20% 6. lin = 2 h. 7. max. duration of short circuit: 25? ?90 seconds; 125? ?30 seconds. 8. load fault is a short circuit (<50 mohms). recovery into resistive full load. 9. input step transition 3 10 s.recovery is time to settle to within 1% of vout final value.
smd numbers pin out dual models only negative output output common positive output + positive input inhibit fb shutdown pwm controller input common +v in +v out + + case ground mgh 28 12 s z / es base model input voltage output voltage screening number of outputs (s = single, d = dual) gull wing lead option (straight leaded case has no designator in this position.) (standard screening has no designator in this position.) b2-96 mgh series 1.5 watt dc/dc c onverters f igure 1: b lock d iagram pin single output dual output 1 positive input positive input 2 no connection no connection 3 input common input common 4, 5 positive output positive output 6, 7 case ground case ground 8, 9 output common output common 10, 11 case ground case ground 12 no connection no connection 13, 14 no connection negative output 15, 16, 17 no connection no connection 18 inhibit inhibit model numbering key to meet specified performance, all pins must be connected except ?o connection?pins. f igure 2: p in o ut s tandard m icrocircuit d rawing (smd) 5962-9569601hxc 5962-9569701hxc 5962-9569801hxc 5962-9570201hxc 5962-9570301hxc 5962-9570401hxc mgh s eries s imilar p art mgh2805s/883 mgh2812s/883 mgh2815s/883 mgh2805d/883 mgh2812d/883 mgh2815d/883 1 2 3 4 5 6 8 9 7 18 17 16 15 14 13 12 11 10 top view mgh differently colored glass bead around pin one or dimple in header (bottom or side of case) indicates pin one. cover marking is oriented with pin one at the upper right corner. for exact specifications for an smd product, refer to the smd drawing. call your interpoint representative for status on the mgh smd releases. see section a3, smds, for more infor- mation. see section b8, case b, for dimensions and ?ull-wing?option.
b2-97 mgh series 1.5 watt dc/dc c onverters typical performance curves: 25? tc , 28 vdc vin, 100% load, unless otherwise specified. efficiency 30 80 40 50 60 70 0 0.25 0.5 0.75 1 1.25 1.5 output power all 5 volt models 12 volt 28 volt efficiency vs line & load 50 volt 1.75 90 f igure 3 1.75 efficiency 30 80 40 50 60 70 0 0.25 0.5 0.75 1 1.25 1.5 output power 12 & 15 v singles 12 volt 28 volt 50 volt 90 efficiency vs line & load f igure 4 1.75 efficiency 30 80 40 50 60 70 0 0.25 0.5 0.75 1 1.25 1.5 output power 12 & 15 v dual models 12 volt 28 volt 50 volt 90 efficiency vs line & load f igure 5 f igure 9 f igure 11 2v/div. v in 20v/div. v out turn-on into full load 024 6 810 12 14 16 18 time (ms) mgh2805s representative of all 5 volt models load transient response 200 mv / div. 500 s / div. mgh2815d +v out full load to half load +v out half load to full load ? out full load to half load ? out half load to full load 1 0 20 40 60 80 100 attenuation (db) audio rejection 10 60 frequency (khz) mgh2815s - representative of all models f igure 6 v in line transient response 100 mv / div. 200 s / div. 20 v / div. v out mgh2805s 12 vdc 50 vdc f igure 7 v in line transient response 200 mv / div. 200 s / div. 20 v / div. +v out mgh2815d ? out 12 vdc 50 vdc f igure 10 f igure 8 load transient response 100 mv / div. 500 s / div. mgh2805s half load to full load full load to half load
b2-98 mgh series 1.5 watt dc/dc c onverters typical performance curves: 25? tc , 28 vdc vin, 100% load, unless otherwise specified. 5v/div. v in 20v/div. ? out turn-on into full load 0510 15 20 25 30 35 40 45 time (ms) mgh2815d also representative of mgh2812s & d and mgh2815s +v out 0 v for ? out 0 v for +v out f igure 12 ? ?2 ?5 vout voltage change (%) 4 -4 -2 0 2 90/10 70/30 50/50 30/70 10/90 output load (%) dual cross regulation 90% to 10% load on +v 10% to 90% load on ? +5 +12 +15 f igure 13 f igure 14 20 v out voltage change (%) 4 -4 -2 0 2 10 30 40 50 output load (%) dual 5 12 15 cross regulation 50% load +v; 50% to 10% load ? and 50% load ?; 50% to 10% load +v safe operating area 120 100 80 60 40 20 0 v out nominal % % of full load output voltage vs. output load 0 20 40 60 80 100 120 140 160 trip point 125% f igure 15 22622-001-dts rev a dq# 1033 all technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. interpoint reserves the right to make changes in products or specifications without notice. mgh series is a trademark of interpoint. copyright 1998 - 1999 interpoint. all rights reserved.
1.000 (25.40) 0.870 (22.10) 0.060 (1.52) 0.075 (1.91) 0.030 (0.76) 0.100 (2.54) 4x 0.100 (2.54) 16x b8-7 case b c ases case b top view see figure 6 for pin configurations. 0.880 max (22.35) materials header kovar/nickel/gold cover kovar/nickel pins kovar/nickel/gold, matched glass seal case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified cover marking is oriented with pin one at the upper right corner. 1.010 max (25.65) caution maximum reflow temperature is 220 c for a maximum of 30 seconds. sn60, sn62, or sn63 are the recommended types of solder. see below for solder mask instructions. hand soldering should not exceed 300 c for 10 seconds per pin. differently colored glass bead around pin one or dimple in header (bottom or side of case) indicates pin one. (this view shows straight leads.) gull wing leads option 0.135 ref. (3.43) gull wing leads are solder dipped. lead dimensions are prior to solder dip. 0.08 (2.0) 0.010 (0.25) bottom of case to bottom of lead 0.055 (1.40) 0.070 (1.78) 0.08 (2.0) 1.140 ref. (28.96) 1 1 fmga emi filter: screening ?standard, es, or 883 mgh series: screening ?standard, es, or 883 top view case b 0.010 (0.25) 1.870 ref. (47.50) 0.015 (0.38) 0.010 (0.25) 0.900 (22.86) 0.800 (20.32) 0.700 (17.78) 0.600 (15.24) 0.500 (12.70) 0.400 (10.16) 0.300 ( 7.62) differently colored glass bead around pin one or dimple in header (bottom or side of case) indicates pin one. cover marking is oriented with pin one at the upper right corn 1 2 3 4 5 6 8 9 7 18 17 16 15 14 13 12 11 10 0.000 0.000 straight leads 0.50 (12.7) 0.250 max. (6.35) 0.200 ( 5.08) 0.100 ( 2.54) seam seal solder mask notes 1. pad dimensions are for the solder mask opening. lead common to each other can be connected underneath as desired. 2. ground pins should be connected to the center pad for improved grounding. 3. center pad should not have a solder mask. solder, copper, or au/ni plate are preferred over solder for adhesive attach. 4. solder coat to solder down converter. 5. if less rotation of case is desired, make the pad width 0.020inches (0.51 mm). pad length can be extended 0.010 inches (0.25 mm) towards the case body and as-desired dimension away from the case body. 6. do not exceed 220? as measured on the body of the converter (top or bottom). 7. attach the body of the case to the board with a thermally conductive adhesive or sn60, 62, or 63 solder. the adhesive can be electrically conductive as well. it can be applied as an underfill post solder or dispensed and cured prior or during solder. note: although every effort has been made to render the case drawings at actual size, variations in the printing process may ca use some distortion. please refer to the numerical dimensions for accuracy. f igure 6: c ase b f igure 7: c ase b s older m ask f igure 5: c ase b m aximum d imensions
c2-10 test (125? products) standard /es /883 (class h)* pre-cap inspection method 2017, 2032 yes yes yes temperature cycle (10 times) method 1010, cond. c, -65? to 150? no no yes method 1010, cond. b, -55? to 125? no yes no constant acceleration method 2001, 3000 g no no yes method 2001, 500 g no yes no burn-in method 1015, 160 hours at 125? no no yes 96 hours at 125? case (typical) no yes no final electrical test mil-prf-38534, group a subgroups 1 through 6: -55?, +25?, +125? no no yes subgroups 1 and 4: +25? case yes yes no hermeticity testing fine leak, method 1014, cond. a no yes yes gross leak, method 1014, cond. c no yes yes gross leak, dip (1 x 10 -3 ) yes no no final visual inspection method 2009 yes yes yes test methods are referenced to mil-std-883 as determined by mil-prf-38534. *883 products are built with element evaluated components and are 100% tested and guaranteed over the full military temperature range of ?5? to +125?. mor series mflhp series mfl series mhp series mtr series mqo series** mhd series mhv series mhf+ series mhf series** mga series msa series mgh series mch series fm-704a emi filter fmd**/fme emi filter fmc emi filter fmh emi filter fmga emi filter fmsa emi filter hum modules** lcm modules** lim modules qa screening 125? products 125? p roducts applies to the following products **mflhp series, mqo series, mhf series, fmd emi filters, hum modules, and lcm modules do not offer ?83?screening.
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