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isolated half-bridge driver, 0.1 a amp output adum1230 rev. a information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 www.analog.com fax: 781.461.3113 ? 2005 analog devices, inc. all rights reserved. features isolated high-side and low-side outputs high-side or low-side relative to input: 700 v peak high-side/low-side differential: 700 v peak 0.1 a peak output current high frequency operation: 5 mhz max high common-mode transient immunity: >50 kv/s high temperature operation: 105c wide body, 16-lead soic ul1577 2500 v rms input-to-output withstand voltage applications isolated igbt/mosfet gate drives plasma displays industrial inverters switching power supplies general description the adum1230 1 is an isolated half-bridge gate driver that employs analog devices i coupler? technology to provide independent and isolated high-side and low-side outputs. combining high speed cmos and monolithic transformer technology, this isolation component provides outstanding performance characteristics superior to optocoupler-based solutions. by avoiding the use of leds and photodiodes, this i coupler gate drive device is able to provide precision timing characteristics not possible with optocouplers. furthermore, the reliability and performance stability problems associated with optocoupler leds are avoided. in comparison to gate drivers employing high voltage level translation methodologies, the adum1230 offers the benefit of true, galvanic isolation between the input and each output. each output may be operated up to 700 v p relative to the input, thereby supporting low-side switching to negative voltages. the differential voltage between the high-side and low-side can be as high as 700 v p . as a result, the adum1230 provides reliable control over the switching characteristics of igbt/mosfet configurations over a wide range of positive or negative switching voltages. 1 protected by u.s. patents 5,952,849 6,873,065, and other pending patents. functional block diagram encode decode encode decode disable nc nc v dd1 nc v ddb v ob gnd b 5 6 7 8 12 11 gnd 1 nc 4 13 v dd1 gnd a 3 14 v ib v oa 2 15 v ia v dda 1 16 10 9 05460-001 figure 1.
adum1230 rev. a | page 2 of 12 table of contents features .............................................................................................. 1 applications ....................................................................................... 1 general description ......................................................................... 1 functional block diagram .............................................................. 1 revision history ............................................................................... 2 specifications ..................................................................................... 3 electrical characteristics ............................................................. 3 package characteristics ............................................................... 4 regulatory information ............................................................... 4 insulation and safety-related specifications ............................ 4 recommended operating conditions ...................................... 4 absolute maximum ratings ............................................................5 esd caution ...................................................................................5 pin configuration and function descriptions ..............................6 typical performance characteristics ..............................................7 application notes ..............................................................................8 common-mode transient immunity ........................................8 typical application usage ............................................................9 outline dimensions ....................................................................... 10 ordering guide .......................................................................... 10 revision history 12/05rev. sp0 to rev. a changes to figure 1 and note 1...................................................... 1 added typical applicat ion usage section .................................... 9 inserted figure 14............................................................................. 9 5/05revision sp0: initial version
adum1230 rev. a | page 3 of 12 specifications electrical characteristics all voltages are relative to their respective ground. 4.5 v v dd1 5.5 v, 12 v v dda 18 v, 12 v v ddb 18 v. all min/max specifications apply over the entire recommended operating range, unless otherwise noted. all typical specifications are at t a = 25c, v dd1 = 5 v, v dda = 15 v, v ddb = 15 v. table 1. parameter symbol min typ max unit test conditions dc specifications input supply current, quiescent i ddi (q) 4.0 ma output supply current, a or b, quiescent i dda (q) , i ddb (q) 1.2 ma input supply current, 10 mbps i ddi (10) 8.0 ma output supply current, a or b, 10 mbps i dda (10) , i ddb (10) 22 ma c l = 200 pf input currents i ia , i ib , i disable ?10 +0.01 +10 a 0 v ia , v ib , v disable v dd1 logic high input threshold v ih 2.0 v logic low input threshold v il 0.8 v logic high output voltages v oah , v obh v dda ? 0.1, v ddb ? 0.1 v dda , v ddb v i oa , i ob = ?1 ma logic low output voltages v oal , v obl 0.1 v i oa , i ob = 1 ma output short-circuit pulsed current 1 i oa (sc) , i ob (sc) 100 ma switching specifications minimum pulse width 2 pw 100 ns c l = 200 pf maximum switching frequency 3 10 mbps c l = 200 pf propagation delay 4 t phl , t plh 97 124 160 ns c l = 200 pf change vs. temperature 100 ps/c pulse width distortion, |t plh ? t phl | pwd 8 ns c l = 200 pf channel-to-channel matching, rising or falling edges 5 5 ns c l = 200 pf channel-to-channel matching, rising vs. falling edges 6 13 ns c l = 200 pf part-to-part matching, rising or falling edges 7 55 ns c l = 200 pf part-to-part matching, rising vs. falling edges 8 63 ns c l = 200 pf output rise/fall time (10% to 90%) t r /t f 20 ns c l = 200 pf 1 short-circuit duration less than 1 second. average power must conform to the limit shown unde r the absolute maximum ratings. 2 the minimum pulse width is the shortest pulse width at which the specified timing parameters are guaranteed. 3 the maximum switching frequency is the maximum signal frequenc y at which the specified timin g parameters are guaranteed. 4 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 5 channel-to-channel matching, rising vs. falling edges is the magni tude of the propagation delay difference between two channel s of the same part when the inputs are either both rising edges or falling edges. the supply voltages and the loads on each channel are equal. 6 channel-to-channel matching, rising or falling edges is the magnitude of the propagation delay difference between two channels of the same part when one input is a rising edge and the other input is a falling edge. the supply voltages and loads on each channel are equal. 7 part-to-part matching, rising or falling edges is the magnitude of the propagation delay difference between the same channels of two different parts when the inputs are either both rising or falling edges. the supply voltages, temperatures, and loads of each part are equal. 8 part-to-part matching, rising vs. falling edges is the magnitude of the propagation delay difference between the same channels of two different parts when one input is a rising edge and the other input is a falling edge. the supply voltages, temperat ures, and loads of each part are equal.
adum1230 rev. a | page 4 of 12 package characteristics table 2. parameter symbol min typ max unit test conditions resistance (input-to-output) 1 r i-o 10 12 capacitance (input-to-output) 1 c i-o 2.0 pf f = 1 mhz input capacitance c i 4.0 pf ic junction-to-ambient thermal resistance jca 76 c/w 1 the device is considered a 2-terminal device: pins 1 through 8 are shorted together, and pins 9 through 16 are shorted togethe r. regulatory information the adum1230 is approved, as shown in tabl e 3 . table 3. ul 1 recognized under 1577 component recognition program 1 in accordance with ul1577, each adum1230 is proof tested by applying an insulation test voltage 3000 v rms for 1 second (cur rent leakage detectio n limit = 5 a). insulation and safety-related specifications table 4. parameter symbol value unit conditions rated dielectric insulation voltage 2500 v rms 1 minute duration minimum external air gap (clearance) l(i01) 7.7 min mm measured from input termin als to output terminals, shortest distance through air minimum external tracking (creepage) l(i02) 8.1 min mm measured from input termin als to output terminals, shortest distance path along body minimum internal gap (internal clearance) 0.017 min mm insulation distance through insulation tracking resistance (comparative tracking index) cti >175 v din iec 112/vde 0303 part 1 isolation group iiia material group (din vde 0110, 1/89, table 1) recommended operat ing conditions table 5. parameter symbol min max unit operating temperature t a ?40 +105 c input supply voltage 1 v dd1 4.5 5.5 v output supply voltages 1 v dda , v ddb 12 18 v input signal rise and fall times 1 ms common-mode transient immunity, input-to-output 2 ?50 +50 kv/s common-mode transient immunity, between outputs 2 ?50 +50 kv/s transient immunity, supply voltages 2 ?50 +50 kv/s 1 all voltages are relative to their respective ground. 2 see the common-mode transient immunity section for transient diagrams and additional information.
adum1230 rev. a | page 5 of 12 absolute maximum ratings table 6. parameter symbol min max unit storage temperature t st ?55 +150 c ambient operating temperature t a ?40 +105 c input supply voltage 1 v dd1 ?0.5 +7.0 v output supply voltage 1 v dda , v ddb ?0.5 +27 v input voltage 1 v ia , v ib ?0.5 v ddi + 0.5 v output voltage 1 v oa , v ob ?0.5 v dda + 0.5, v ddb + 0.5 v input-output voltage 2 ?700 +700 v peak output differential voltage 3 700 v peak output dc current i oa , i ob ?20 +20 ma common-mode transients 4 ?100 +100 kv/s 1 all voltages are relative to their respective ground. 2 input-to-output voltage is defined as gnd a ? gnd 1 or gnd b ? gnd 1 . 3 output differential voltage is defined as gnd a ? gnd b . 4 refers to common-mode transients ac ross any insulation barrier. common- mode transients exceeding the absolu te maximum ratings can cause latch- up or permanent damage. stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. ambient temperature = 25c, unless otherwise noted. table 7. adum1230 truth table (positive logic) v ia /v ib input v dd1 state disable v oa /v ob output notes h powered l h l powered l l x unpowered x l output returns to input state within 1 s of v ddi power restoration. x powered h l esd caution esd (electrostatic discharge) sensitive device. electros tatic charges as high as 4000 v readily accumulate on the human body and test equipment and can discharge wi thout detection. although this product features proprietary esd protection circuitry, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. therefore, proper esd pr ecautions are recommended to avoid performance degradation or loss of functionality.
adum1230 rev. a | page 6 of 12 pin configuration and fu nction descriptions 05460 -002 v ia 1 v ib 2 v dd1 3 gnd 1 4 v dda 16 v oa 15 gnd a 14 nc 13 disable 5 nc 12 nc 6 v ddb 11 nc 7 v ob 10 v dd1 8 gnd b 9 nc = no connect adum1230 top view (not to scale) figure 2. pin configuration note that pin 3 and pin 8 are internally connected. connecting both to v dd1 is recommended. pin 12 and pin 13 are floating and should be left unconnected. table 8. pin function descriptions pin no. mnemonic function 1 v ia logic input a. 2 v ib logic input b. 3 v dd1 input supply voltage, 4.5 v to 5.5 v. 4 gnd 1 ground reference for input logic signals. 5 disable input disable. disables the isolator inputs and refresh circuits . outputs take on default low state. 6, 7, 12, 13 nc no connect. 8 v dd1 input supply voltage, 4.5 v to 5.5 v. 9 gnd b ground reference for output b. 10 v ob output b. 11 v ddb output b supply voltage, 12 v to 18 v. 14 gnd a ground reference for output a. 15 v oa output a. 16 v dda output a supply voltage, 12 v to 18 v.
adum1230 rev. a | page 7 of 12 typical performance characteristics 05460-003 data rate (mbps) 10 04 current (ma) 6 5 4 3 2 1 0 figure 3. typical input supply current variation with data rate 05460-004 data rate (mbps) 10 04 current (ma) 18 16 14 12 8 4 10 6 2 0 figure 4. typical output supply current variation with data rate 05460-005 temperature (c) 120 ?40 40 60 80 100 20 0 ?20 propa g a tion del a y (ns) 135 130 125 120 115 figure 5. typical propagation delay variation with temperature 05460-006 output supply voltage (v) 18 12 15 propa g a tion del a y (ns) 129 128 127 126 125 124 123 ch. b, falling edge ch. a, falling edge ch. a, rising edge ch. b, rising edge figure 6. typical propagation delay variation with output supply voltage (input supply voltage = 5.0 v) 05460-007 output supply voltage (v) 5.5 4.5 5.0 propa g a tion del a y (ns) 129 128 127 126 125 124 123 ch. b, falling edge ch. a, falling edge ch. a, rising edge ch. b, rising edge figure 7. typical propagation delay variation with input supply voltage (output supply voltage = 15.0 v)
adum1230 rev. a | page 8 of 12 application notes common-mode transient immunity in general, common-mode transients consist of linear and sinusoidal components. the linear component of a common- mode transient is given by v cm, linear = (v/t) t where v/t is the slope of the transient shown in figure 11 and figure 12 . the transient of the linear component is given by dv cm / dt = v/t the adum1230s ability to operate correctly in the presence of linear transients is characterized by the data in figure 8 . the data is based on design simulation and is the maximum linear transient magnitude that the adum1230 can tolerate without an operational error. this data shows a higher level of robustness than what is shown in tabl e 5 because the transient immunity values obtained in table 5 use measured data and apply allowances for measurement error and margin. 05460-011 temperature (c) 100 ?40 0 40 80 ?20 20 60 transient immunity (kv/s) 300 250 200 150 100 50 0 worst-case process variation best-case process variation figure 8. transient immunity (linear transients) vs. temperature the sinusoidal component (at a given frequency) is given by v cm, sinusoidal = v 0 sin(2ft ) where: v 0 is the magnitude of the sinusoidal. f is the frequency of the sinusoidal. the transient magnitude of the sinusoidal component is given by dv cm / dt = 2 f v 0 the adum1230s ability to operate correctly in the presence of sinusoidal transients is characterized by the data in figure 9 and figure 10 . the data is based on design simulation and is the maximum sinusoidal transient magnitude (2f v 0 ) that the adum1230 can tolerate without an operational error. values for immunity against sinusoidal transients are not included in table 5 because measurements to obtain such values have not been possible. 05460-012 frequency (mhz) 2000 0 500 1000 1500 1750 250 750 1250 transient immunity (kv/s) 200 160 180 120 80 40 140 100 60 20 0 worst-case process variation best-case process variation figure 9. transient immunity (sinusoidal transients), 27c ambient temperature 05460-013 frequency (mhz) 2000 0 500 1000 1500 1750 250 750 1250 transient immunity (kv/s) 200 140 100 60 20 160 180 120 80 40 0 worst-case process variation best-case process variation figure 10. transient immunity (sinusoidal transients), 100c ambient temperature
adum1230 rev. a | page 9 of 12 gnd 1 v dd1 ? v ? t ? v ? t 5v gnd 1 v dd1 15v 15v gnd a and gnd b v dda and v ddb 5v gnd a and gnd b v dda and v ddb 15v 15v 05460-008 figure 11. common-mode transient im munity waveformsinput to output gnd b /gnd b v dda /v ddb ? v ? t ? v ? t 15v gnd b /gnd b v dda /v ddb 15v 15v gnd a /gnd b v dda /v ddb 15v gnd a /gnd b v dda /v ddb 15v 15v 05460-009 figure 12. common-mode transient im munity waveformsbetween outputs gnd a /gnd b v dda /v ddb v dda /v ddb gnd a /gnd b 05460-010 ? v dd ? t figure 13. transient immunity waveformsoutput supplies typical application usage the adum1230 is intended for driving low gate capacitance transistors (200 pf typically). most high voltage applications involve larger transistors than this. to accommodate these situations, users can choose either a gate driver with a stronger output stage or the buffer configuration with the adum1230, as shown in figure 14 . in many cases, the buffer configuration is the less expensive of the two options and provides the greatest amount of design flexibility. the precise buffer/high voltage transistor combination can be selected to fit the applications needs. floating v ddb flo a tin g v dda v dda v oa gnd a gnd 1 v ddb v ob v dd1 v ia v ib gnd b adum1230 +hv ?hv 05460-014 figure 14.
adum1230 rev. a | page 10 of 12 outline dimensions controlling dimensions are in millimeters; inch dimensions (in parentheses) are rounded-off millimeter equivalents for reference only and are not appropriate for use in design compliant to jedec standards ms-013-aa seating plane 0.30 (0.0118) 0.10 (0.0039) 0.51 (0.0201) 0.31 (0.0122) 2.65 (0.1043) 2.35 (0.0925) 1.27 (0.0500) bsc 16 9 8 1 10.65 (0.4193) 10.00 (0.3937) 7.60 (0.2992) 7.40 (0.2913) 10.50 (0.4134) 10.10 (0.3976) 8 0 0.75 (0.0295) 0.25 (0.0098) 45 1.27 (0.0500) 0.40 (0.0157) 0.33 (0.0130) 0.20 (0.0079) coplanarity 0.10 figure 15. 16-lead standard small outline package [soic_w] wide body (rw-16) dimensions shown in millimeters and (inches) ordering guide model no. of channels output peak current (a) output voltage (v) temperature range package description package option adum1230brwz 1 2 0.1 15 ?40c to +105c 16-lead soic_w rw-16 ADUM1230BRWZ-RL 1 2 0.1 15 ?40c to +105c 16-lead soic_w, 13-inch tape and reel option (1, 000 units) rw-16 1 z = pb-free part.
adum1230 rev. a | page 11 of 12 notes
adum1230 rev. a | page 12 of 12 t notes ? 2005 analog devices, inc. all rights reserved. trademarks and registered trademarks are the property of their respective owners. d05460-0-12/05(a) ttt

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