1 of 6 1 description the IW3609 is a single-stage, high-performance ac/dc offine power supply controller for dimmable led luminaires. it applies advanced digital control technology to detect the dimmer type, which p rovides dynamic impedance to interface with the dimmer and control the led brightness at the same time . with advanced dimmer detection technology, the IW3609 can operate with most wall dimmers including leading-edge dimmers (r-type or r-l type) and trailing-edge dimmers (r-c type). in addition, the IW3609s cycle-by-cycle waveform analysis technology allows for fast dimmer setting response. when no dimmer is on the line, the IW3609 optimizes the power factor and minimizes the current harmonic distortion to the ac line. furthermore, in no dimmer condition, output current is regulated at nominal output current value over a wide input voltage range. the IW3609 operates the main power converter that delivers current to the led load in quasi-resonant mode to provide high power effciency and minimize electro-magnetic interference (emi). the commonly utilized converter topologies for IW3609 are buck-boost and fyback. it uses dialog s patented primaccurate tm primary-side sensing technology to achieve excellent led current regulation under dif ferent ac line and led load voltages, without using a secondary-side feedback circuit and thus eliminating the need for an opto-coupler . the IW3609 minimizes the external components count by simplifying the emi flter with dialog s ez-emi ? technology. the intelligent dimmer detection technology minimizes the bleeding power loss. additionally, the digital control loop of the IW3609 maintains stable overall operating conditions without the need for loop compensation components. 2 features isolated/non-isolated offine120v ac /230v ac led driver up to 15w output power wide line frequency range (from 45hz to 66hz) meets iec61000-3-2 current harmonic requirement total harmonic distortion < 20% with pf > 0.92 wide dimmer compatibility x leading-edge dimmer x trailing-edge dimmer selectable dimming range of 1% to 100% or 10% to 100% resonant control to achieve high effciency (typical > 82% without dimmer) over-temperature led current foldback small solution size x single-stage topology reduces part counts x 90khz maximum switching frequency enables the use of a small transformer 3 applications dimmable led retroft lamps up to 15w dimmable led luminaires up to 15w primaccurate primary-side sensing eliminates the need for opto-isolator feedback tight led current regulation ( 5%) fast start-up (< 0.5s without dimmer) compatible with nema ssl6 dimming curve standard multiple protection features that include: x led open-circuit and short-circuit protection x over-current protection x over-temperature protection x current sense resistor short-circuit protection x ac line over-voltage protection optional proprietary input current shaping IW3609 ac/dc digital power controller for single-stage high power factor dimmable led drivers rev. 1.0 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 27-jun-2016
2 of 6 figure 3.1 : IW3609 simplifed application circuit 1 2 3 8 4 6 7 5 bleeder gnd output v in i in v sense i sense v cc - + ac input output IW3609 IW3609 ac/dc digital power controller for single-stage high power factor dimmable led drivers rev. 1.0 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 27-jun-2016
3 of 6 4 pinout description pin no. pin name type pin description 1 bleeder output gate drive for bleeder switch 2 v in analog input rectifed ac line voltage sense 3 i in analog input rectifed ac line current sense 4 v sense analog input auxiliary winding voltage sense 5 i sense analog input primary side current sense 6 output output base drive for main bjt switch 7 gnd ground ground 8 v cc power power supply for control logic figure 4.1 : 8 lead soic package IW3609 bleeder v in i in v sense v cc gnd output i sense 1 2 3 8 7 6 4 5 IW3609 ac/dc digital power controller for single-stage high power factor dimmable led drivers rev. 1.0 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 27-jun-2016
4 of 6 absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. 5 absolute maximum ratings parameter symbol value units dc supply voltage range (pin 8) v cc -0.3 to 18 v output (pin 6) -0.3 to 4.0 v bleeder output (pin 1) -0.3 to v cc v v sense input (pin 4, i 10ma) -0.7 to 4.0 v v in input (pin 2) -0.3 to 18 v i sense input (pin 5) -0.3 to 4.0 v i in input (pin 3) -0.7 to 4.0 v maximum junction temperature t jmax 150 c storage temperature t stg -65 to 150 c thermal resistance junction-to-ambient [still air] ja (note 1) 160 c/w esd rating per jedec jesd22-a114 2,000 v latch-up test per jesd78a 100 ma IW3609 ac/dc digital power controller for single-stage high power factor dimmable led drivers rev. 1.0 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 27-jun-2016
5 of 6 6 physical dimensions 7 physical dimensions compliant to jedec standard ms12f controlling dimensions are in inches; millimeter dimensions are for reference only this product is rohs compliant and halide free. soldering temperature resistance: [a] package is ipc/jedec std 020d moisture sensitivity level 1 [b] package exceeds jedec std no. 22-a111 for solder immersion resistance; package can withstand 10 s immersion < 260?c dimension d does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.15 mm per end. dimension e1 does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 mm per side. the package top may be smaller than the package bottom. dimensions d and e1 are determined at the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interlead flash, but including any mismatch between the top and bottom of the plastic body. 8-lead small outline (soic) package coplanarity 0.10 (0.004) 8 5 4 1 seating plane a1 e h b d e a c l inches symbol millimeters min 0.0040 a1 max min max 0.010 0.10 0.25 0.053 a 0.069 1.35 1.75 0.014 b 0.019 0.35 0.49 0.007 c 0.010 0.19 0.25 0.189 d 0.197 4.80 5.00 0.150 e 0.157 3.80 4.00 0.050 bsc e 1.27 bsc 0.228 h 0.244 5.80 6.20 0.016 l 0.049 0.40 1.25 0 8 top view side views part no. 2srv 3dfndh description i w 3609 - 00 120v ac input, with current shaping soic-8 tape & reel 1 IW3609-01 230v ac input, without current shaping soic-8 tape & reel 1 IW3609-04 230v ac input, lower bleeder loss options soic-8 tape & reel 1 IW3609-10 120v ac input, without current shaping soic-8 tape & reel 1 1w7sgostwwo0gtww IW3609 ac/dc digital power controller for single-stage high power factor dimmable led drivers rev. 1.0 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 27-jun-2016
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