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ir25603spbf 1 www.irf.com ? 201 2 international rectifier april 13 , 2012 self - oscillating half - bridge driver ordering information features ? floating channel designed for bootstrap operation ? integrated 600v half - bridge gate driver ? 15.6v zener clamp on vcc ? true micropower start up ? tighter initial dead time cont rol ? low temperature coefficient dead time ? shutdown feature (1/6th vcc) on ct pin ? increased undervoltage lockout hysteresis (1v) ? lower power level - shifting circuit ? constant lo, ho pulse widths at startup ? lower di/dt gate driver for better noise immunity ? low side output in phase with rt ? excellent latch immunity on all inputs and outputs ? esd protection on all leads description the ir25603(s) incorporates a high voltage half - bridge gate driver with a front end oscillator similar to the industry standard cmos 555 timer. a shutdown feature has been designed into the ct pin, so that both gate driver outputs can be disabled using a low voltage control signal. in addition, the gate driver output pulse widths are the same once the rising undervoltage lockout thres hold on v cc has been reached, resulting in a more stable profile of frequency vs time at startup. special attention has been paid to maximizing the latch immunity of the device and providing comprehensive esd protection on all pins . product summary v offset 600v max. duty cycle 50% t r / t f 80 / 40 ns v clamp 15.6v dead time (typ.) 1.2 s package options 8 lead soic bas e part number package type standard pack orderable part number form quantity ir25603spbf so8n tube 95 ir25603spbf ir25603spbf so8n tape and reel 2500 IR25603STRPBF preliminary
ir25603spbf 2 www.irf.com ? 201 2 international rectifier april 13, 2012 typical connection diagram
ir25603spbf 3 www.irf.com ? 201 2 international rectifier april 2, 2012 | pd# absolute maximum ratings absolute maximum ra tings indicate sustained limits beyond which damage to the device may occur. all voltage parameters are absolute voltages referenced to com , all currents are defined positive into any lead . the thermal resistance and power dissipation ratings are measure d under board mounted and still air conditions. symbol definition min. max. units v b high side floating absolute voltage - 0.3 625 v v s high side floating supply offset voltage v b - 25 v b + 0.3 v ho high side floating output voltage v s - 0.3 v b + 0.3 v lo low side output voltage - 0.3 v cc + 0.3 v cc low side and logic fixed supply voltage - 0.3 25 v rt r t pin voltage - 0.3 v cc + 0.3 v ct c t pin voltage - 0.3 v cc + 0.3 i cc supply current ? 25 ma i rt r t pin current - 5 5 dvs/dt allowable offset supply voltage transient 50 v/ns p d package power dissipation @ ta +25c 0.625 w rth ja thermal resistance, junction to ambient 200 c /w t j junction temperature 150 c t s storage temperature - 55 150 t l le ad temperature (soldering, 10 seconds) 300 recommended operating conditions for proper operation the d evice should be used within the recommended conditions. the v s offset rating is tested with all supplies biased at 15v differential. symbol definition min. max. units v b high side floating supply absolute voltage v cc C 0.7 v clamp v v s steady state high side floating supply offset voltage ?? 600 v cc supply voltage 10 v clamp i cc supply current ??? 5 ma t a ambient temperature - 40 125 c this ic contains a zener clamp structure between the chip v cc and com which has a nominal breakdown voltage of 15.6v. please note that this supply pin should not be driven by a dc, low impedance power source greater than the v clamp spec ified in the electrical characteristics section. care should be taken to avoid output switching conditions where the vs node flies inductively below ground by more than 5v. enough current should be supplied to the v cc pin of the ic to keep the inter nal 15.6v zener diode clamping the voltage at this pin.
ir25603spbf 4 www.irf.com ? 201 2 international rectifier april 2, 2012 | pd# recommended component values symbol component min. max. units r t timing resistor value 10 t c t pin capacitor value 330 pf ir2 5603 rt vs. frequency
ir25603spbf 5 www.irf.com ? 201 2 international rectifier april 13, 2012 electrical characteristics v bias (v cc , v bs ) = 12 v, cl = 1000 pf , ct = 1nf and t a = 25c unless otherwise specified. low voltage supply characteristics symbol definition min. typ. max. units test conditions v ccuv+ v cc supply undervoltage positive going threshold 8.1 9 .0 9.9 v v ccuv - v cc supply undervoltage negative going threshold 7.2 8.0 8.8 v ccuvh v cc undervoltage hysteresis 0.5 1.0 1.5 i qccuv micropower startup v cc supply current 75 150 ua v cc v ccuv - i qcc quiescent v cc supply current 500 950 v clamp v cc zener clamp voltage 14.4 15.6 16.8 v i cc = 5ma floating supply characteristics symbol definition min. typ. max. units test conditions i qbsuv micropower startup v bs supply current 0 10 a v cc v ccuv - i qbs quiescent v bs supply current 30 50 v bsmin minimum required v bs voltage for proper functionality from r t to ho 4.0 5.0 v v cc = v ccuv+ + 0.1v i lk offset supply leakage current 50 ua v b = v s = 600v oscillator i/o ch aracteristics symbol definition min. typ. max. units test conditions f osc oscillator frequency 19.4 20 20.6 khz r t = 36.9k 94 100 106 r t = 7.43k d r t pin duty cycle 48 50 52 % f o < 100khz i ct c t pin current 0.001 1.0 ua i ctuv uv - mode c t pin pulldown current 0.3 0.7 1.2 ma v cc = 7v v ct+ upper c t ramp voltage threshold 8 v v ct - lower c t ramp voltage threshold 4 v ctsd c t voltage shutdown threshold 1.8 2.1 2.4 v rt+ high - level r t output voltage, v cc - v rt 10 50 mv i rt = 10 0 a 100 300 i rt = 1ma v rt - low - level r t output voltage 10 50 i rt = 100 a 100 300 i rt = 1ma v rtuv uv - mode r t output voltage 0 100 v cc v ccuv - v rtsd sd - mode r t output voltage, v cc - v rt 10 50 i rt = 100 a, v ct = 0v 10 300 i rt = 1ma, v ct = 0v
ir25603spbf 6 www.irf.com ? 201 2 international rectifier april 13, 2012 electrical characteristics (cont.) gate driver output characteristics symbol definition min. typ. max. units test conditions v oh high level output voltage, v bias - v o 0 100 mv i o = 0a v ol low - level output voltage, v o 0 100 i o = 0a v ol_uv uv - mode output voltage, v o 0 100 i o = 0a v cc v ccuv - t r output rise time 80 150 ns t f output fall time 45 100 t sd shutdown p ropagation delay 660 t d output dead time (ho or lo) 0.75 1.20 1.65 s functional block diagram
ir25603spbf 7 www.irf.com ? 201 2 international rectifier april 13, 2012 lead definitions symbol description v cc logic and internal gate drive supply voltage r t oscillator timing resistor input c t oscil lator timing capacitor input com ic power and signal ground lo low side gate driver output v s high voltage floating supply return ho high side gate driver output v b high side gate driver floating supply lead assignments 8 7 6 5 v c c v b r t 1 2 3 4 v s h o l o c t c o m
ir25603spbf 8 www.irf.com ? 201 2 international rectifier april 13, 2012 advanc e information figure 1. input/output timing diagram figure 2. switching time waveform definitions figure 3. deadtime waveform definitions
ir25603spbf 9 www.irf.com ? 201 2 international rectifier april 13, 2012 package details
ir25603spbf 10 www.irf.com ? 201 2 international rectifier april 13, 2012 tap e and reel details carrier tape dimension for 8soicn code min max min max a 7.90 8.10 0.311 0.318 b 3.90 4.10 0.153 0.161 c 11.70 12.30 0.46 0.484 d 5.45 5.55 0.214 0.218 e 6.30 6.50 0.248 0.255 f 5.10 5.30 0.200 0.208 g 1.50 n/a 0.059 n/a h 1.50 1.60 0.059 0.062 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 1.95 2.45 0.767 0.096 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 metric imperial metric imperial e f a c d g a b h note : controlling dimension in mm loaded tape feed direction a h f e g d b c
ir25603spbf 11 www.irf.com ? 201 2 international rectifier april 13, 2012 part marking information i r x x x x x i r l o g o y w w ? p a r t n u m b e r d a t e c o d e p i n 1 i d e n t i f i e r l o t c o d e ( p r o d m o d e C 4 d i g i t s p n c o d e ) a s s e m b l y s i t e c o d e p e r s c o p 2 0 0 - 0 0 2 ? x x x x m a r k i n g c o d e l e a d f r e e r e l e a s e d n o n - l e a d f r e e r e l e a s e d ? p
ir25603spbf 12 www.irf.com ? 201 2 international rectifier april 13, 2012 qualification information qualification level industrial (per jedec jesd 47e) comments: this family of ics has passed jedecs industrial qu alification. irs consumer qualification level is granted by extension of the higher industrial level. moisture sensitivity level msl 2 (per ipc/jedec j - std - 020c) rohs compliant yes qualification standards can be found at international rectifiers web site http://www.irf.com/ higher qualification ratings may be available should the user have such requirements. please contact your international rectifier sales representative for further information. higher msl ratings may be available for the specific package types listed here. please contact your international rectifier sales representative for further information. the information provided in this document is believed to be accurate and reliable. however, international rectifier assumes no responsibility for the consequences of the use of this information. international rectifier assumes no responsibility for any infringement of patents or of other rights of third partie s which may result from the use of this information. no license is granted by implication or otherwise under any patent or patent rights of international rectifier. the specifications mentioned in this document are subject to change with out notice. this document supersedes and replaces all information previously supplied. for technical support, please contact irs technical assistance center world headquarters: 2 33 kansas st., el segundo, california 90245 tel: (310) 252 - 7105

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