mic94030/94031 micrel 1997 1 mic94030/94031 mic94030/94031 tinyfet p-channel mosfet final information general description the mic94030 and mic94031 are 4-terminal silicon gate p-channel mosfets that provide low on-resistance in a very small package. designed for high-side switch applications where space is critical, the mic94030/1 exhibits an on-resistance of typically 0.75 ? at 4.5v gate-to-source voltage. the mic94030/1 also operates with only 2.7v gate-to-source voltage. the mic94030 is the basic 4-lead p-channel mosfet. the mic94031 is a variation that includes an internal gate pull-up resistor that can reduce the system parts count in many applications. the 4-terminal sot-143 package permits a substrate con- nection separate from the source connection. this 4-terminal configuration improves the ja (improved heat dissipation) and makes analog switch applications practical. the small size, low threshold, and low r ds(on) make the mic94030/1 the ideal choice for pcmcia card sleep mode or distributed power management applications. features 13.5v minimum drain-to-source breakdown 0.75 ? typical on-resistance at 4.5v gate-to-source voltage 0.45 ? typical on-resistance at 10v gate-to-source voltage operates with 2.7v gate-to-source voltage separate substrate connection for added control industry? smallest surface mount package applications distributed power management pcmcia card power management battery-powered computers, peripherals hand-held bar-code scanners portable communications equipment ordering information part number temperature range* package mic94030bm4 ?5 c to +150 c sot-143 mic94031bm4 ?5 c to +150 c sot-143 * operating junction temperature gate source drain substrate schematic symbol mic94030 mic94031 schematic symbol pin configuration sot-143 package (m4) typical pcb layout s d g ss pcb heat sink plane improves heat dissipation pcb traces g s d ss ~500k ? internal gate-to-source pull-up resistor g s d ss functional diagrams substrate source gate drain p3x part identification part number identification mic94030bm4 p30 mic94031bm4 p31 patents 5,355,008; 5,589,702 micrel, inc. 1849 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
mic94030/94031 micrel mic94030/94031 2 1997 electrical characteristics voltage and current values are negative. signs not shown for clarity. symbol parameter condition (note 1) min typ max units v bdss drain-source breakdown voltage v gs = 0v, i d = 250 a 13.5 v v gs gate threshold voltage v ds = v gs , i d = 250 a 0.6 1.0 1.4 v i gss gate-body leakage v ds = 0v, v gs = 12v, note 2 , note 3 1 a r gs gate-source resistor v ds = 0v, v gs = 12v, note 2 , note 4 500 750 1000 k ? c iss input capacitance v gs = 0v, v ds = 12v 100 pf i dss zero gate voltage drain current v ds = 12v, v gs = 0v 25 a v ds = 12v, v gs = 0v, t j = 125 c 0.010 250 a i d(on) on-state drain current v ds = 10v, v gs = 10v, note 5 6.3 a r ds(on) drain-source on-state resist. v gs = 10v, i d = 100ma 0.45 ? v gs = 4.5v, i d = 100ma 0.75 1.00 ? v gs = 2.7v, i d = 100ma 1.20 ? g fs forward transconductance v ds = 10v, i d = 200ma, note 5 480 ms note 1 t a = 25 c unless noted. substrate connected to source for all conditions note 2 esd gate protection diode conducts during positive gate-to-source voltage excursions. note 3 mic94030 only note 4 mic94031 only note 5 pulse test: pulse width 80 sec, duty cycle 0.5% absolute maximum ratings voltage and current values are negative. signs not shown for clarity. drain-to-source voltage (pulse) .................................... 16v gate-to-source voltage (pulse) .................................... 16v continuous drain current t a = 25 c .................................................................... 1a t a = 100 c ............................................................... 0.5a operating junction temperature ............... 55 c to +150 storage temperature ............................... 55 c to +150 c total power dissipation t a = 25 c ............................................................ 568mw t a = 100 c .......................................................... 227mw thermal resistance ja ...................................................................................... 220 c/w jc ..................................................................................... 130 c/w lead temperature 1/16 " from case, 10s ........................................... +300 c
mic94030/94031 micrel 1997 3 mic94030/94031 typical characteristics 0.00 0.25 0.50 0.75 1.00 1.25 1.50 0.0 0.5 1.0 1.5 2.0 r ds(on) ( ? ) i d (a) on resistance vs. drain current at 25 c v g = 10v v g = 4.5v 80 s pulse test 0.00 0.25 0.50 0.75 1.00 1.25 1.50 0.0 0.5 1.0 1.5 2.0 r ds(on) ( ? ) i d (a) on resistance vs. drain current at 125 c v g = 10v v g = 4.5v 80 s pulse test 0 20 40 60 80 100 120 140 160 0.0 0.5 1.0 1.5 2.0 drain current (ma) drain-to-source voltage (v) drain characteristics 2.0v 1.8v 1.6v 1.4v v gs 1.2v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 02468101214 drain current (a) drain-to-source voltage (v) drain characteristics 5.0v 4.5v 4.0v 3.5v 2.5v 2.0v 1.5v 1.0v v gs 300 s pulse test 0 1 2 3 4 5 6 02468101214 drain current (a) drain-to-source voltage (v) drain characteristics v gs 6v 5v 4v 3v 2v 1v 8v 9v 10v 80 s pulse test
mic94030/94031 micrel mic94030/94031 4 1997 typical applications load +5v 74hc04 on off * substrate must be connected to source s ss* d g mic94030 figure 1. power switch application load +12v open drain output * substrate must be connected to source s ss* d g mic94031 internal resistor figure 2. power control application +12v 74c04 ? on off * substrate must be connected to source ? use c version only. hc versions not rated to 12v. s ss* d g mic94030 +8v 74c04 ? on off s ss* d g mic94030 load 2m ? a b output off off 0v on off +12v off on +8v on on don?! a b +12v figure 3. analog switch application
mic94030/94031 micrel 1997 5 mic94030/94031 package information 0.150 (0.0059) 0.089 (0.0035) 8 0 0.400 (0.016) typ 3 places 2.50 (0.098) 2.10 (0.083) 1.40 (0.055) 1.20 (0.047) 0.950 (0.0374) typ 3.05 (0.120) 2.67 (0.105) 0.800 (0.031) typ 1.12 (0.044) 0.81 (0.032) 0.10 (0.004) 0.013 (0.0005) dimensions: mm (inch) 0.41 (0.016) 0.13 (0.005) c l c l sot-143 (m4)
mic94030/94031 micrel mic94030/94031 6 1997
mic94030/94031 micrel 1997 7 mic94030/94031
mic94030/94031 micrel mic94030/94031 8 1997 micrel inc. 1849 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 web http://www.micrel.com this information is believed to be accurate and reliable, however no responsibility is assumed by micrel for its use nor for an y infringement of patents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or pat ent right of micrel inc. ? 1997 micrel incorporated
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