? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 1 of 9 mhl8701 mhl8705 mhl8701 / mhl8705 set free 3 amp & 5 amp uldo regulators levels available cots military space description the mhl8701 & mhl8705 are space qualified, very low dropout linear regulators designed for military and space flight applications. the mhl8701 is designed for a maximum output current of 3 a. the mh l8705 is designed for higher current operation, with a maximum output current rating of 5 a. assembled in a hermetic package, these products provide a very low dropout vo ltage of 400 mv @ 2 a and a maximum dropout voltage of 0.65 v at 4 a. they are optimized for operation at +5 v input or +3.3 v input depending on the suffix ordered. in addition to having excellent ti d capability, these linear regulators are designed to also pr ovide single-event transient suppression capability. the resulting set performance pr ovides a significant improvement versus competing rad-tolerant regulators in this market. actual package appearance may vary important: for the latest information, visit our website http://www.microsemi.com . features ? output is set reduced for heavy ions ( note 1 ). (see figure 6 ) ? rad-tolerant to 200 k rad tid ( note 1 ). ? ultra low dropout voltage C 400 mv @ 2.0 a. ? space level screening available. ? shutdown pin for output control. ? thermal shutdown @ 150 c. ? optimized for operation at an input voltage of 3.3 v or 5 v. ? available in fixed or adjustable outputs. applications / benefits ? commercial satellite .power supplies ? distributed power systems ? military power systems ? rtax fpga power supplies ? provides quiet power for sensitive instrumentation table 1 C absolute maximum ratings @ tc = +25c unless otherwise noted parameters / test conditions symbol value unit (3a version) (5a version) dc input voltage vin-vground v in 10.0 10.0 v output current i o 3.3 5.25 a power dissipation tcase = 25c p d 25 25 w thermal resistance, junction to case r ? jc 3.0 3.0 c/w storage temperature t stg -65 to +150 -65 to +150 c operating temperature range t j -55 to +125 -55 to +125 c maximum soldering temperature, 10 sec. t solder 300 300 c msc C lawrence 6 lake street, lawrence, ma 01841 1-800-446-1158 (978) 620-2600 fax: (978) 689-0803 website: www.microsemi.com ? mechanical and packaging ? see figure 5 for package outlines and lead bend options. downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 2 of 9 mhl8701 mhl8705 table 2 C electrical characteristics @ t a = -55c to +125c unless otherwise noted (measured at vo = vref and a load of 1 a unless otherwise specified) (nominal reference voltage is 1.265v @ 25c) ? parameters / test conditions symbol (3a version) (5a version) unit min. typ max. min. typ max. output voltage accuracy, adjustable units vin = 3.3v or 5v as appropriate (note 5) vout 1.24 1.265 1.29 1.24 1.265 1.29 v output voltage accuracy, fixed voltage units (note 5) vout -3.0 +3.0 -3.0 +3.0 % dropout voltage (note 3) iout = 2.0a , ? vo ? 2% @ vo 2.5v vdrop 0.40 n/a v dropout voltage (note 3) iout = 4.0a, ? vo ? 2% @ vo 2.5v vdrop n/a 0.65 v shutdown input threshold (note 2) vout < 0.5v, vin = 3.3 or 5v as appropriate vshdn 1.0 1.6 1.0 1.6 v input voltage range: +3.3v units (note 5) iout = 1.5a or 2.5a as appropriate, ? vo ? 2% vin (+3.3) 3.0 3.6 3.0 3.6 v input voltage range: +5.0v units (note 5) iout = 1.5a or 2.5a as appropriate, ? vo ? 2% vin (+5.0) 4.5 5.5 4.5 5.5 v ripple rejection vin = 3.3v or 5v as appropriate (note 7) vr = 500mvpp; 1khz < f < 10khz, iout = 100ma psr -20 -20 db current limit t a = 25c vout = 2.5v or v fixed as appropriate vin = 3.3v or 5v as appropriate i latch 3.3 5.25 9 a notes on page 5 downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 3 of 9 mhl8701 mhl8705 table 3 C post-radiation (notes 1, 4, 8) t a = 25c ? parameters / test conditions symbol (3a version) (5a version) unit min. typ max. min. typ max. output voltage change, adjustable units vin = 3.3v or 5v as appropriate (note 5, 6, 8) vout -75 35 +75 -75 35 +75 mv output voltage accuracy, fixed voltage units (note 5, 6) vout -8.0 6.6 +8.0 -8.0 6.6 +8.0 % dropout voltage (note 3) iout = 2.0a , vout = +2.5v, ? vo ? 2% @ vo 2.5v vdrop 0.45 n/a v dropout voltage (note 3) iout = 4.0a, vout = +2.5v, ? vo ? 2% @ vo 2.5v vdrop n/a 0.65 v current limit vout = 2.5v or v fixed as appropriate vin = 3.3v or 5v as appropriate ilatch 3.3 5.25 9 a shutdown input threshold (note 2) vout < 0.5v, vin = 3.3 or 5v as appropriate vshdn 1.0 1.65 1.0 1.65 v notes on page 5 ?? downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 4 of 9 mhl8701 mhl8705 adjustable output voltage model #s input voltage i out range v out range mhl8701a3 xyz 3.3 v 0 C 3 a 1.265 C 2.5 v mhl8705a3 xyz 3.3 v 0 C 5 a 1.265 C 2.5 v mhl8701a5 xyz 5.0 v 0 C 3 a 1.265 C 3.3 v mhl8705a5 xyz 5.0 v 0 C 5 a 1.265 C 3.3 v examples of model number with fixed output voltage input voltage i out range output voltage mhl8701f325 xyz 3.3 v 0 C 3 a 2.5 v mhl8705f320 xyz 3.3 v 0 C 5 a 2.0 v mhl8701f530 xyz 5.0 v 0 C 3 a 3.0 v mhl8705f533 xyz 5.0 v 0 C 5 a 3.3 v table 4 C model number functional chart replace x with letter to denote required screening level c m s = cots = military = space replace y with lead lend option -1 -2 = no lead bend = smt lead bend = lead bend down replace z with lead finish option a s = gold plate = solder dipped downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 5 of 9 mhl8701 mhl8705 tests screening levels mil-std-883 method cots military space commercial mil-prf-38534 equivalent 100% non-destruct wire-pull n/a n/a 100% 2023 pre-cap visual n/a 100% 100% 2017 temperature cycle n/a 100% 100% 1010 constant acceleration n/a 100% 100% 2001 pind n/a n/a 100% 2020 pre-burn-in electrical (t a = 25c) n/a 100% 100% - burn-in n/a 100% (160 hours) 100% (320 hours) 1015 final electrical 100% (25c) 100% 100% hermeticity (fine & gross leak) 100% 100% 100% 1014 x-ray (note 10) n/a n/a 100% 2012 external visual sample 100% 100% 2009 notes: 1. certified to appendix g of mil-prf-38534 for radiat ion hardness assurance (rha ) requirements for hybrid microcircuits and multichip modules effective june 27, 2013. 2. shutdown pin voltage must be > 1.6 v to initiate output inhibit or reset. pin should be grounded if not used. pin input voltage can exceed supply voltage. 3. actual voltage dropout is affected by device operating point. minimum operating input voltage is 2.9 v. as a result, the dropout specification applies to output voltage of 2.5 v and higher. 4. radiation testing is per mil-std-883, method 1019. 5. these regulators are optimized for specific input voltage ranges. the 3 volt input types will have peak performance at +3.0 v to +3.6 v. the 5 volt input ty pes will have peak performance at +4.5 v to +5.5 v. input voltages outside of this range can affect short-circ uit current, load current capability and create electrical overstress to internal components. 6. typical post 100 k rad eldrs radiation performance in the powered mode is <+/-5%. typical unpowered performance is +/- 6.5%. 7. guaranteed by design but not tested. 8. measured at vo = vref and a load of 1 a (unless otherwise specified). 9. set free is defined as output transients in the range of 100mv when unit is exposed to heavy ions. 10. performed at a dla approved facility. table 5 C screening options downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 6 of 9 mhl8701 mhl8705 figure 1 C typical radiation characteristics C vout figure 2 - block diagrams adjustable version fixed output version ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? radiation changes ? tid characteristics 2.44 ? 2.46 ? 2.48 ? 2.5 2.52 ? 2.54 ? 2.56 ? 2.58 ? 0 25 50 100 200 300 tid (krads) v out ? device1 device2 device3 device4 device5 ? drive shdn ? fb ? gnd 7 v out 5 ? 3 adj 1 v ? ? in ? 6 user defined resistor for desired v out sens-n 4 drive shdn fb ? gnd ? 7 v out 5 3 1 v in 6 sens-p sens-n 4 downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 7 of 9 mhl8701 mhl8705 figure 3 C application circuit, adjustable output circuit v out = v ref x (1+r adj /1000), with vref~1.265 volts figure 4 C application circuit, fixed output circuit applications 3 4 a d j sens \ n 6 5 1 7 330 ? uf ? tbme337 ? 330 ? uf ? tbme337 ? downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 mi crosemi corporation page 8 of 9 mhl8701 mhl8705 figure 5 C available package outlines pin assignments table standard lead option (straight) surface mount outline C 1 right angle down outline C 2 all ? dimensions ? 0.005 ? unless ? otherwise ? specified. ? ?? packaging and pin connections pin # pin name pin description 1 vin input voltage 2 n/c n/c 3 sens-p or adj positive sense or adj 4 sens-n negative sense 5 shdn shutdown 6 gnd ground 7 vo output voltage 0.300 ? max ? .160 ? 0.960 ? 0 . 300 ? 0.300 ? max 1.455 ? ? .010 0.040 ? 0.002 ? 0.300 ? max ? 1.465 ? ? .025 downloaded from: http:///
? ? t4-lds-0196 rev. 7 (03/03/14) ?2014 microsemi corporation page 9 of 9 mhl8701 mhl8705 figure 6: set reduction achieved by mhl8701 / mhl8705 (preliminary) ? ?????????????????? 500 ? ?????????????????? ? ?????????????????? 400 ? ?????????????????? ? ?????????????????? 300 ? ?????????????????? ? ?????????????????? 200 ? ?????????????????? ? ?????????????????? 100 ? ?????????????????? ? ?????????????????? 0 ?? 1 ?? 2 ?? 3 ? 4 ? 5 6 ? 7 ? 8 ? 9 location ? of ? set ? for ? mhl8705 ? let ? ~85 ? mevcm 2 ? mg, ? io ? = ? 843ma ? location ? of ? set ? for ? other ? brands ? of ? uldo ? regulators, ? io ? = ? 300ma, ?? let ? ~ ? 59 ? mevcm 2 /mg ? set ? am p litude ?\? milli ? vots ? 25c ? set ? width ? @ ? 50% ? point ? C ? microseconds ? downloaded from: http:///
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