1 of 6 1 description the IW3626 is a high performance, single-stage ac/dc power controller for led luminaires with power factor (pf) correction. the device uses digital control technology to build unique hybrid mode control in pwm fyback power supplies to achieve high power factor meanwhile minimizing led current ripple. this distinctive control approach enables the capability for users to make trade-offs between pf and led current ripple in a single-stage design. it can achieve excellent led current regulation over line and load variation, without the need for secondary feedback circuit. the built-in temperature sensor along with control logic can automatically adjust output current in real-time without visible ficker during the process. the IW3626 operates in quasi-resonant mode to provide high effciency along with a number of key built-in protection features while minimizing the external component count, simplifying emi design, and lowering the total bill of material cost. it also eliminates the need for loop compensation components while maintaining stability over all operating conditions. the built-in power limit function enables optimized transformer design in universal off-line applications with input voltage from 90 v ac to 277 v ac . dialogs innovative proprietary technology maximizes the IW3626 performance in a tiny sot-23 package. the IW3626 offers two multi-function pins allowing users to confgure pf and otp as required with no cost or size impact, thereby providing design fexibility. the active start-up scheme enables the shortest possible start-up time without sacrifcing active effciency. 2 features all-in-one non-dimmable low-cost off-line led driver (isolated and non-isolated applications) supports universal input voltage range (90 v ac to 277 v ac ) and output power up to 10w high power factor (pf) with low current-ripple control technology user-confgurable power factor setting (>0.7 to >0.9) user-confgurable over-temperature protection (otp) with temperature-current derating very tight led current regulation ( 5%) across line and load, and within primary inductance tolerance ( 20%) isolated design without opto-coupler 3 applications solid-state led lighting led lighting ballast supports wide range of led numbers with tight current regulation stabilized led current-ripple control without visible shimmer or ficker active start-up scheme enables fastest possible start- up 72khz maximum pwm switching frequency with quasi- resonant operation dynamic base current control to drive low-cost bjt ez-emi ? design enhances manufacturability built-in single-point fault protection features: led open-/short-circuit protection and over-current protection no audible noise over entire operating range IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
2 of 6 figure 3.1 : IW3626 typical application circuit (non-isolated application) figure 3.2 : IW3626 typical application circuit (isolated application) l u1 IW3626 output cs/pf gnd v cc asu fb/otp 6 3 5 1 2 4 n + v out- + v out+ v out gnd + + l u1 IW3626 output cs/pf gnd v cc asu fb/otp 6 3 5 1 2 4 n IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
3 of 6 figure 3.3 : IW3626 typical application circuit (isolated application without using active start-up device) v out gnd + l u1 IW3626 output cs/pf gnd v cc asu fb/otp 6 3 5 1 2 4 n + IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
4 of 6 5 pinout description pin no. pin name type pin description 1 v cc power input power supply for control logic and bjt drive. 2 fb/otp analog input multi-function pin. used for otp current derating confguration at the beginning of start-up and to provide auxiliary voltage sense for primary regulation during normal operation. 3 asu output control signal for active start-up device (bjt or depletion mode nfet). 4 cs/pf analog input multi-function pin. used for pf confguration at the beginning of start-up and to provide primary current sense for cycle-by-cycle peak current control and limit during normal operation. 5 gnd ground ground. 6 output output base drive for bjt. figure 5.1 : 6-pin sot23 package IW3626 v cc fb/otp asu output gnd cs/pf 1 2 3 6 4 5 4 absolute maximum ratings absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. parameter symbol value units dc supply voltage range (pin 1, i cc = 20ma max) v cc -0.3 to 18.0 v continuous dc supply current at v cc pin (v cc = 15v) i cc 20 ma asu output (pin 3) -0.3 to 18.0 v output (pin 6) -0.3 to 4.0 v fb/otp input (pin 2, i fb/otp 10ma) -0.7 to 4.0 v cs/pf input (pin 4) -0.3 to 4.0 v maximum junction temperature t jmax 150 c operating junction temperature t jopt -40 to 150 c storage temperature t stg -65 to 150 c thermal resistance junction-to-ambient ja 190 c/w esd rating per jedec jesd22-a114 2,000 v latch-up test per jesd78a 100 ma IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
5 of 6 6 physical dimensions 7 ordering information 1 3 4 6 5 2 6-lead sot package d compliant to jedec standard mo-178ab controlling dimensions are in millimeters this package 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; packages can withstand 10 s immersion < 260oc dimension d does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.25 mm per side. the package top may be smaller than the package bottom. dimensions d and e1 are are determined at the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs and interlead flash, but including any mismatch between top and bottom of the plastic body. seating plane a1 coplanarity 0.10 e1 b e e1 a a2 c l symbol millimeters a1 min max 0.00 0.15 a 0.90 1.45 b 0.30 0.50 c 0.09 0.20 d 2.80 3.00 e e1 e 0.95 bsc e1 1.90 bsc l 0.30 0.55 0 8 a2 0.90 1.30 e 2.90 3.00 2.80 2.60 3.00 1.50 1.75 part no. options package description i w 3626 - 0 0 maximum driver current = 40ma, wide v out range sot-23 tape & reel 1 IW3626-01 maximum driver current = 40ma, narrow v out range sot-23 tape & reel 1 IW3626-02 maximum driver current = 50ma, wide v out range sot-23 tape & reel 1 note 1: tape and reel packing quantity is 3,000/reel. minimum ordering quantity is 3,000. IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
disclaimer information in this document is believed to be accurate and reliable. however , dialog semiconductor does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information. dialog semiconductor furthermore takes no responsibility whatsoever for the content in this document if provided by any information source outside of dialog semiconductor. dialog semiconductor reserves the right to change without notice the information published in this document, including without limitation the specifcation and the design of the related semiconductor products, software and applications. applications, software, and semiconductor products described in this document are for illustrative purposes only . dialog semiconductor makes no representation or warranty that such applications, software and semiconductor products will be suitable for the specifed use without further testing or modifcation. unless otherwise agreed in writing, such testing or modifcation is the sole responsibility of the customer and dialog semiconductor excludes all liability in this respect. customer notes that nothing in this document may be construed as a license for customer to use the dialog semiconductor products, software and applications referred to in this document. such license must be separately sought by customer with dialog semiconductor. all use of dialog semiconductor products, software and applications referred to in this document are subject to dialog semiconductors standard terms and conditions of sale , available on the company website ( www.dialog-semiconductor.com ) unless otherwise stated. dialog and the dialog logo are trademarks of dialog semiconductor plc or its subsidiaries. all other product or service names are the property of their respective owners. ? 2016 dialog semiconductor. all rights reserved. rohs compliance dialog semiconductors suppliers certify that its products are in compliance with the requirements of directive 2011/65/eu of the european parliament on the restriction of the use of certain hazardous substances in electrical and electronic equipment. rohs certifcates from our suppliers are available on request. 6 of 6 contacting dialog semiconductor uunited kingdom (headquarters) dialog semiconductor (uk) ltd phone: +44 1793 757700 germany dialog semiconductor gmbh phone: +49 7021 805-0 the netherlands dialog semiconductor b.v. phone: +31 73 640 8822 email info_pcbg@diasemi.com north america dialog semiconductor inc. phone: +1 408 845 8500 japan dialog semiconductor k. k. phone: +81 3 5425 4567 taiwan dialog semiconductor taiwan phone: +886 281 786 222 web site: www.dialog-semiconductor.com singapore dialog semiconductor singapore phone: +65 64 8499 29 hong kong dialog semiconductor hong kong phone: +852 3769 5200 korea dialog semiconductor korea phone: +82 2 3469 8200 china (shenzhen) dialog semiconductor china phone: +86 755 2981 3669 china (shanghai) dialog semiconductor china phone: +86 21 5424 9058 IW3626 off-line digital power controller for led driver with high-power factor and low-ripple current rev. 1.4 product summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 28-june-2016
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