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typical connection half-bridge driver irs21084 irs2108 data sheet no. pd60260 irs2108 / irs21084(s)pbf www.irf.com 1 (refer to lead assignments for correct pin configuration). these diagrams show electrical connections only. please refer to our application notes and designtips for proper circuit board layout. packages description the irs2108/irs21084 are high volt- age, high speed power mosfet and i gbt drivers with dependen t high - and low- side referenced output channels. proprietary hvic and latch immune cmos technologies enable ruggedized monolithic construction. the logic input is compatible with standard cmos or lsttl output, down to 3.3 v logic. the output drivers feature a high pulse cur- rent buffer stage designed for minimum driver cross-conduction. the floating channel can be used to drive an n-channel power mosfet or igbt in the high- side configuration which operates up to 600 v. features ? floating channel designed for bootstrap operation ? fully operational to +600 v ? tolerant to negative transient voltage, dv/dt immune ? gate drive supply range from 10 v to 20 v ? undervoltage lockout for both channels ? 3.3 v, 5 v, and 15 v input logic compatible ? cross-conduction prevention logic ? matched propagation delay for both channels ? high- side output in phase with hin input ? low- side output out of phase with input ? logic and power ground +/- 5 v offset ? internal 540 ns deadtime, and programmable up to 5 s with one external r dt resistor (irs21084) ? lower di/dt gate driver for better noise immunity t on /t off feature comparison 8-lead pdip 8-lead soic 14-lead soic 14-lead pdip ? rohs compliant
www.irf.com 2 irs2108/irs21084(s)pbf symbol definition min. max. units v b high-side floating absolute voltage -0.3 625 v s high-side floating supply offset voltage v b - 25v b + 0.3 v ho high-side floating output voltage v s - 0.3v b + 0.3 v cc low-side and logic fixed supply voltage -0.3 25 v lo low-side output voltage -0.3v cc + 0.3 dtprogrammable deadtime pin voltage irs21084 only v ss - 0.3 v cc + 0.3 v in logic input voltage hin )v ss - 0.3 v cc + 0.3 v ss logic ground irs21084 only )v cc - 25v cc + 0.3 dv s /dt &llowable offset supply voltage transient 50v/ns (8 lead pdip) 1.0 (8 lead soi c) 0.625 p d package power dissipation @ t a +25 o c (14 lead pdip) 1.6 (14 lead soic) 1.0 (8 lead pdip) 125 (8 lead soic) 200 r th ja thermal resistance, junction to ambient (14 lead pdip) 75 (14 lead soic) 120 t j junction temperature 150 t s storage temperature -50 150 t l lead temperature (soldering, 10 seconds) 300 absolute maximum ratings absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. all voltage param- eters are absolute voltages referenced to com. the thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. note 1 : logic operational for v s of -5 v to +600 v. logic state held for v s of -5 v to -v bs . (please refer to the design tip dt97-3 for more details). v recommended operating conditions the input/output logic timing diagram is shown in fig. 1. for proper operation the device should be used within the recommended conditions. the v s and v ss offset rating are tested with all supplies biased at a 15 v differential. c c/w w vbhigh-side floating supply absolute voltage v s + 10 v s + 20 v s high-side floating supply offset voltage note 1600 v ho high-side floating output voltage v s v b v cc low-side and logic fixed supply voltage 1020 v lo low-side output voltage 0v cc v in logic input voltage irs2108 com v cc irs21084 v ss v cc dt programmable deadtime pin voltage irs21084 on l y v s v cc v ss logic ground irs21084 only )-55 t a &mbient temperature -40125 c v symbol definition min. max. units
www.irf.com 3 irs2108/irs21084(s)pbf dynamic electrical characteristics v bis v cc v bs 1 v v ss com c l 1000 pf t 2 c dt v ss unless otherwise specified. static electrical characteristics v bis v cc v bs 1 v v ss com dt v ss and t 2 c unless otherwise specified. the v il v ih and i in parameters are re ferenced to v ss /com and are applicable to the respective input leads hin and lin. the v o i o and r on parameters are referenced to com and are applicable to the respective output leads ho and lo. symbol definition min. t yp. max. units test conditions v ih logic 1 input voltage for hin a logic 0 for 2. v il logic 0 input voltage for hin a logic 1 for 0.8 v oh high level output voltage v bis - v o 0.0 0.2 v ol low level output voltage v o 0.02 0.1 i l offset supply leakage current 0 v b v s 600 v i bs uiescent v bs supply current 20 w 130 v in 0 v or v i cc uiescent v cc supply current 0.4 1.0 1.6 m v in 0 v or v rdt0 ? symbol definition min. typ. max. units test conditions t on turn-on propagation delay 220 300 v s 0 v t off turn-off propagation delay 200 280 v s 0 v or 600 v mt delay matching t on - t off 0 30 t r turn-on rise time 100 220 t f turn-off fall time 3 80 dt deadtime lo turn-off to ho turn-ondt lo-ho a 400 40680r dt 0 ? ? ? ?
www.irf.com 4 irs2108/irs21084(s)pbf functional block diagram 21084 lin +5v uv detect delay com lo vcc hin dt vss vs ho vb pulse filter hv level shifter r r s q uv detect deadtime & shoot-through prevention pulse generator vss/com level shift vss/com level shift 2108 lin +5v uv detect delay com lo vcc hin dt vss vs ho vb pulse filter hv level shifter r r s q uv detect deadtime & shoot-through prevention pulse generator vss/com level shift vss/com level shift
www.irf.com > irs2108/irs21084(s)pbf 14 lead pdip 14 lead soic irs21084pbf irs21084spbf lead assignments 8 lead pdip 8 lead soic 1 2 3 4 8 w 6 > v cc hin lin com v b ho v s lo 1 2 3 4 8 w 6 > v cc hin lin com v b ho v s lo 1 2 3 4 > 6 w 1 4 13 12 11 10 y 8 v cc hin lin dt vss com lo v b ho v s 1 2 3 4 > 6 w 1 4 13 12 11 10 y 8 v cc hin lin dt vss com lo v b ho v s lead definitions symbol d escription hinlogic input for high-side gate driver output (ho), in phase (referenced to com for irs2108 and vss for irs21084) logic input for low-side gate driver output (lo), out of phase (referenced to com for irs2108 and vss for irs21084) dtprogrammable deadtime lead, referenced to vss (ir21084 only) vsslogic ground (irs21084 only) v b high-side floating supply hohigh-side gate driver output v s high-side floating supply return v cc low-side and logic fixed supply lolow-side gate driver output comlow-side return
irs2108pbf IRS2108SPBF
www.irf.com 6 irs2108/irs21084(s)pbf figure 1. input/output timing diagram figure 2. switching time waveform definitions

figure 3. deadtime waveform definitions

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www.irf.com w irs2108/irs21084(s)pbf 0 100 200 300 400 500 -50 -25 0 25 50 75 100 125 temperature ( o c) turn-on propagation delay (n s) typ. m ax. figure 4a. turn-on propagation delay vs. temperature 0 100 200 300 400 500 10 12 14 16 18 20 v bias supply voltage (v) turn-on propagation delay (n s) figure 4b. turn-on propagation delay vs. supply voltage typ. m ax. 0 100 200 300 400 500 -50 -25 0 25 50 75 100 125 temperature ( o c) turn-off propagation delay (ns) m ax. typ. figure 5a. turn-off propagation delay vs.temperature 0 100 200 300 400 500 10 12 14 16 18 20 v bias supply voltage (v) turn-off propagation delay (ns) figure 5b. turn-off propagation delay vs. supply voltage typ. m ax.
www.irf.com 8 irs2108/irs21084(s)pbf 0 100 200 300 400 500 -50 -25 0 25 50 75 100 125 temperature ( o c) turn-on rise time (n s figure 6a. turn-on rise time vs.temperature 0 100 200 300 400 500 10 12 14 16 18 20 v bias supply voltage (v) turn-on rise time (n s figure 6b. turn-on rise time vs. supply voltage ) ) max. max. typ. typ. 0 50 100 150 200 -50 -25 0 25 50 75 100 125 temperature ( o c) figure 7a. turn-off fall time vs. tem perature 0 50 100 150 200 10 12 14 16 18 20 input voltage (v) turn-off fall tim e figure 7b. turn-off fall time vs. input voltage ) turn-off fall time (ns) turn-off fall time (ns)
www.irf.com 9 irs2108/irs21084(s)pbf 200 400 600 800 1000 -50 -25 0 25 50 75 100 125 temperature ( o c) deadtime (ns) figure 8a. deadtim e vs. tem perature min. ty p. max. 200 400 600 800 1000 10 12 14 16 18 20 v bias supply voltage (v) deadtime (ns) figure 8b. deadtim e vs. supply voltage max. ty p. min. 0 1 2 3 4 5 6 7 0 50 100 150 200 r dt (k ? min.
www.irf.com 10 irs2108/irs21084(s)pbf 0.0 0.8 1.6 2.4 3.2 4.0 10 12 14 16 18 20 v cc supply voltage (v) input voltage (v) figure 10b. logic "0" input voltage vs. supply voltage min. 0.0 0.8 1.6 2.4 3.2 4.0 -50 -25 0 25 50 75 100 125 temperature ( o c) input voltage (v) figure 10a. logic "0" input voltage vs . te m perature min. max. typ. 0.0 0.1 0.2 0.3 0.4 0.5 -50 -25 0 25 50 75 100 125 temperature ( o c) high level output voltage (v figure 11a. high level output voltage vs. temperature ) 0 1 2 3 4 5 6 7 8 10 12 14 16 18 20 v bais supply voltage (v) input voltage (v) figure 9b. logic "1" input voltage vs. supply voltage min.
www.irf.com 11 irs2108/irs21084(s)pbf 0.0 0.1 0.2 0.3 0.4 0.5 -50-25 0 25 50 75100125 temperature ( o c) low level output voltage (v) figure 12a. low level output voltage vs.temperature 0 0.1 0.2 0.3 0.4 0.5 10 12 14 16 18 20 v bias supply voltage (v) low level output voltage (v) figure 12b. low level output voltage vs. supply voltage max. typ. max. typ. max. typ. 0.0 0.1 0.2 0.3 0.4 0.5 10 12 14 16 18 20 v bais supply voltage (v) high level output voltage (v figure 11b. high lovel output voltage vs. supply voltage ) 0 100 200 300 400 500 -50 -25 0 25 50 75 100 125 temperature ( o c) offset supply leakage current ( a) m ax. figure 13a. offset supply leakage current vs . te m perature ( a)
www.irf.com 12 irs2108/irs21084(s)pbf 0 100 200 300 400 500 0 100 200 300 400 500 600 v b boost voltage (v) offset supply leakage current ( a) m ax. figure 13b. offset supply leakage current vs. temperature 0 100 200 300 400 -50 -25 0 25 50 75 100 125 temperature ( o c) v bs supply current ( a) typ. m ax. figure 14a. v bs supply current vs. temperature mi n. 0 100 200 300 400 10 12 14 16 18 20 v bs supply voltage (v) v bs supply current ( a) figure 14b. v bs supply current vs. supply voltage typ. m ax. mi n. 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -50 -25 0 25 50 75 100 125 temperature ( o c) v cc supply current (ma) figure 15a. v cc supply current vs. temperature m ax. typ. mi n. ( a) ( a) ( a)
www.irf.com 13 irs2108/irs21084(s)pbf 0.0 0.5 1.0 1.5 2.0 2.5 3.0 10 12 14 16 18 20 v cc supply voltage (v) v c c s u p p l y c u r r e n t ( m a ) figure 15b. v cc supply current vs. supply voltage max. typ. min. 0 10 20 30 40 50 60 -50 -25 0 25 50 75 100 125 temperature ( o c) l o g i c " 1 " i n p u t c u r r e n t ( a ) typ. max. figure 16a. logic "1" input current vs. temperature 0 10 20 30 40 50 60 10 12 14 16 18 20 v cc supply voltage (v) l o g i c " 1 " i n p u t c u r r e n t ( m a ) figure 16b. logic "1" input current vs. supply voltage max. typ. ( m a ) ( m a ) max 0 1 2 3 4 5 6 -50 -25 0 25 50 75 100 125 temperature (c) l o g i c " 0 " i n p u t b i a s c u r r e n t ( a ) figure 17a. logic "0" input bias current vs. temperature
www.irf.com 14 irs2108/irs21084(s)pbf 7 8 9 10 11 12 -50 -25 0 25 50 75 100 125 temperature ( o c) v c c u v l o t h r e s h o l d ( + ) ( v ) typ. max. figure 18. v cc undervoltage threshold (+) vs. temperature min. 6 7 8 9 10 11 -50 -25 0 25 50 75 100 125 temperature ( o c) v c c u v l o t h r e s h o l d ( - ) ( v ) typ. max. figure 19. v cc undervoltage threshold (-) vs. temperature min. 7 8 9 10 11 12 -50 -25 0 25 50 75 100 125 temperature ( o c) v b s u v l o t h r e s h o l d ( + ) ( v ) typ. max. figure 20. v bs undervoltage threshold (+) vs. temperature min. max 0 1 2 3 4 5 6 10 12 14 16 18 20 supply voltage (v) l o g i c " 0 " i n p u t b i a s c u r r e n t ( a ) figure 17b. logic "0" input bias current figure 17b. logic "0" input bias current vs. voltage
www.irf.com 1> irs2108/irs21084(s)pbf 6 7 8 9 10 11 -50 -25 0 25 50 75 100 125 temperature ( o c) v bs uvlo threshold (-) (v) typ. m ax. figure 21. v bs undervoltage threshold (-) vs. temperature mi n. 0 100 200 300 400 500 -50-25 0 25 50 75100125 temperature ( o c) output source current (m ) figure 22a. output source current vs . te m perature 0 100 200 300 400 500 10 12 14 16 18 20 v bias supply voltage (v) output source current (m ) figure 22b. output source current vs. supply voltage 0 200 400 600 800 1000 -50-250 255075100125 temperature ( o c) output sink current (m ) figure 23a. output sink current vs .te m pe rature min. typ. min. typ. min. typ. (ma) (ma) (ma)
www.irf.com 16 irs2108/irs21084(s)pbf -10 -8 -6 -4 -2 0 10 12 14 16 18 20 v bs floating supply vo lta ge (v) v s offset supply voltage (v) figure 24. maximum v s negative offset vs. supply voltage typ. 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) temperature ( o c) 70 v figure 25. irs2108 vs. freque ncy (irfbc20), r gate =33 ? 140 v 0 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 26. irs2108 vs . fre que ncy (irfbc30), r gate =22 ? 140 v 0 v 70 v figure 23b. output sink current vs. supply voltage min. typ. 0 200 400 600 800 1000 10 12 14 16 18 20 v bias supply voltage (v) output sink current (ma) temperature ( o c) temperature ( o c)
www.irf.com 17 irs2108/irs21084(s)pbf 20 40 60 80 10 0 12 0 14 0 1 10 100 1000 frequency (khz) 140 v figure 27. irs2108 vs. frequency (irfbc40), r gate =15 ? , v cc =15 v 70 v 0 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 28. irs2108 vs. frequency (irfpe50), r gate =10 ? , v cc =15 v 0 v 140 v 70 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 29. irs21084 vs. freque ncy (irfbc20), r gate =33 ? , v cc =15 v 140 v 70 v 0 v 20 40 60 80 10 0 12 0 14 0 1 10 100 1000 frequency (khz) p( ) 140 v 70 v 0 v figure 30. irs21084 vs. frequency (irfbc30), r gate =22 ? , v cc =15 v temperature ( o c) temperature ( o c) temperature ( o c) temperature ( o c)
www.irf.com 18 irs2108/irs21084(s)pbf 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) 140 v 70 v 0 v figure 31. irs21084 vs . fre que ncy (irfbc40), r gate =15 , v cc =15 v 20 40 60 80 10 0 12 0 14 0 1 10 100 1000 frequency (khz) 70 v 0 v figure 32. irs21084 vs. frequency (irfpe50), r gate =10 , v cc =15 v 14 0 v 20 40 60 80 10 0 12 0 14 0 1 10 100 1000 frequency (khz) 140 v 70 v 0 v figure 34. irs2108s vs. fre que ncy (irfbc30), r g ate =22 , v cc =15 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 33. irs2108s vs. fre que ncy (irfbc20), r gate =33 , v cc =15 v 0 v 70 v 140 v temperature ( o c) temperature ( o c) temperature ( o c) temperature ( o c)
www.irf.com 19 irs2108/irs21084(s)pbf 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) 0 v figure 35. irs2108s vs . frequency (irfbc40), r gate =15 , v cc =15 v 140 v 70 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 36. irs2108s vs. frequency (irfpe50), r gate =10 , v cc =15 v 140 v 70 v 0 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) 140 v 70 v 0 v figure 37. irs21084s vs . fre que ncy (irfbc20), r gate =33 , v cc =15 v 20 40 60 80 10 0 12 0 14 0 1 10 100 1000 frequency (khz) 140 v 70 v 0 v figure 38. ir21084s vs . fre quency (irfbc30), r gate =22 , v cc =15 v temperature ( o c) temperature ( o c) temperature ( o c) temperature ( o c)
www.irf.com 20 irs2108/irs21084(s)pbf 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) 140 v 70 v 0 v figure 39. irs21084s vs. frequency (irfbc40), r gate =15 ? , v cc =15 v 20 40 60 80 100 120 140 1 10 100 1000 frequency (khz) figure 40. irs21084s vs . fre que ncy (irfpe50), r gate =10 ? , v cc =15 v 14 0 v 70 v 0 v temperature ( o c) temperature ( o c)
www.irf.com 21 irs2108/irs21084(s)pbf 01-6014 01-3003 01 (ms-001ab) 8-lead pdip 01-6027 01-0021 11 (ms-012aa) 8-lead soic 87 5 65 d b e a e 6x h 0.25 [.010] a 6 4 3 12 4. outline conforms to jedec outline ms-012aa. notes: 1. dimensioning & toleranc ing per asme y14.5m-1994. 2. controlling dimension: millimeter 3. dimensions are shown in millimeters [inches]. 7 k x 45 8x l 8x c y footprint 8x 0.72 [.028] 6.46 [.255] 3x 1.27 [.050] 8x 1.78 [.070] 5 dimension does not include mold protrusions. 6 dimension does not include mold protrusions. mold protrusions no t to exc eed 0.25 [.010]. 7 dimension is the length of lead for soldering to a substrate. mold protrusions no t to exc eed 0.15 [.006]. 0.25 [.010] cab e1 a a1 8x b c 0.10 [.004] e1 d e y b a a1 h k l .189 .1497 0 .013 .050 basic .0532 .0040 .2284 .0099 .016 .1968 .1574 8 .020 .0688 .0098 .2440 .0196 .050 4.80 3.80 0.33 1.35 0.10 5.80 0.25 0.40 0 1.27 basic 5.00 4.00 0.51 1.75 0.25 6.20 0.50 1.27 min max millimeters in c h e s min max dim 8 e c .0075 .0098 0.19 0.25 .025 basic 0.635 basic case outlines
www.irf.com 22 irs2108/irs21084(s)pbf 01-6019 01-3063 00 (ms-012ab) 14-lead soic (narrow body) 01-6010 01-3002 03 (ms-001ac) 14 lead pdip
www.irf.com 23 irs2108/irs21084(s)pbf carrier tape dimension for 8soicn code min max min max a 7 .9 0 8.1 0 0. 31 1 0 .3 18 b 3.90 4.10 0.153 0.161 c 11.70 12.30 0.46 0.484 d 5 .4 5 5.5 5 0. 21 4 0 .2 18 e 6 .3 0 6.5 0 0. 24 8 0 .2 55 f 5 .1 0 5.3 0 0. 20 0 0 .2 08 g 1 .5 0 n/a 0.059 n/a h 1 .5 0 1.6 0 0. 05 9 0 .0 62 m etr ic im p erial reel dimensions for 8soicn code min max min max a 329.60 330.25 12.976 13.001 b 20.95 21.45 0.824 0.844 c 12.80 13.20 0.503 0.519 d 1 .9 5 2.4 5 0. 76 7 0 .0 96 e 98.00 102.00 3.858 4.015 f n/a 18.40 n/a 0.724 g 14.50 17.10 0.570 0.673 h 12.40 14.40 0.488 0.566 m etr ic im p erial e f a c d g a b h n ot e : co ntrolling d imension in mm load ed ta pe feed direction a h f e g d b c tape & reel 8-lead soic
www.irf.com 24 irs2108/irs21084(s)pbf carrier tape dimension for 14soicn code min max min max a 7 .9 0 8.1 0 0. 31 1 0 .3 18 b 3.90 4.10 0.153 0.161 c 15.70 16.30 0.618 0.641 d 7 .4 0 7.6 0 0. 29 1 0 .2 99 e 6 .4 0 6.6 0 0. 25 2 0 .2 60 f 9 .4 0 9.6 0 0. 37 0 0 .3 78 g 1 .5 0 n/a 0.059 n/a h 1 .5 0 1.6 0 0. 05 9 0 .0 62 m etr ic im p erial reel d im ension s for 14so ic n code min max min max a 329.60 330.25 12.976 13.001 b 20.95 21.45 0.824 0.844 c 12.80 13.20 0.503 0.519 d 1 .9 5 2.4 5 0. 76 7 0 .0 96 e 98.00 102.00 3.858 4.015 f n/a 22.40 n/a 0.881 g 18.50 21.10 0.728 0.830 h 16.40 18.40 0.645 0.724 m etr ic im p erial e f a c d g a b h n ot e : co ntrolling d imension in mm load ed ta pe feed direction a h f e g d b c tape & reel 14-lead soic
www.irf.com 2> irs2108/irs21084(s)pbf this product has been designed and qualified for the industrial level. ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 leadfree part marking information lead free released non-lead free released part number date code irxxxxxx yww? ?xxxx pin 1 identifier ir logo lot code (prod mode - 4 digit spn code) assembly site code per scop 200-002 p ? marking code s 8-lead pdip irs2108pbf 14-lead pdip irs21084pbf 8-lead soic IRS2108SPBF 14-lead soic irs21084spbf 8-lead soic tape & reel irs2108strpbf 14-lead soic tape & reel irs21084strpbf order information data and specifications subject to change without notice. 12/4/2006 qualification standards can be found at www.irf.com the soic-14 is msl3 qualified. the soic-8 is msl2 qualified.

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