iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 1 Description The iW3658 is a highly integrated, high-performance off-line power supply controller for phase-cut dimmable LED luminaires. It uses patented PrimAccurate™ primary-side sensing technology to regulate output current accurately without the need for a feedback circuit. The iW3658 operates at boundary conduction mode to achieve high efficiency and low EMI. With advanced dimming control technology, the iW3658 can operate with most wall dimmers including leading-edge dimmers (R-type or R-L type) and trailing-edge dimmers (R-C type). The iW3658 operates in buck-boost mode to regulate current to the output LEDs. Dialog’s innovative technology maximizes the iW3658 performance with an integrated high-voltage MOSFET in an SO-7 package, which provides an extra pin spacing between the high voltage MOSFET’s drain and low voltage pins. With Dialog’s proprietary VCC regulation circuit, the iW3658’s VCC level is well maintained regardless of the LED voltage and dimmer phase angle, which eliminates the possibility of low end flickering. 2 Features ●● Isolated/non-isolated off-line 120VAC/230VAC LED driver up to 15W (Note 1) ●● Wide line frequency range (45Hz – 66Hz) ●● Closed-loop constant current regulation ●● Built-in LED current derating at high temperature ●● Built-in over-temperature shut-down ●● Excellent dimmer compatibility ●● LED open and short protection xx Leading-edge dimmer ●● Fast start-up (< 0.5s without dimmer) xx Trailing-edge dimmer ●● Low BOM cost ●● Resonant control to achieve high efficiency (typical > 85%) ●● Integrated high-voltage MOSFET ●● Supports Buck-Boost topology ●● Single-winding inductor ●● Internal start-up without the need for high voltage circuit 3 Applications ●● Dimmable LED retrofit lamps up to 15W (Note 1) xx A-style, BR, GU and PAR ●● Fits in E26/27 Socket for All-Glass Lamps Product Summary www.dialog-semiconductor.com Rev. 0.8 Preliminary 1 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W L VOUT - VOUT + N iW3658 5 VG 6 VCC 7 COMP 8 CFG HV 4 GND 2 ISENSE 1 Figure 3.1 : iW3658 Typical Application Circuit Note 1 : For output power above 12W designs, care should be taken to verify the thermal and reliability constraints on the IC. An IC temperature below 120°C is recommended for proper IC operation. Product Summary www.dialog-semiconductor.com Rev. 0.8 Preliminary 2 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 4 Pinout Description iW3658 1 ISENSE CFG 8 2 GND COMP 7 VCC 6 4 HV VG 5 Figure 4.1 : 7-Lead SO Package Pin Number Pin Name Type 1 ISENSE Analog Current sense 2 GND Ground Ground reference 4 HV Analog Internal high voltage MOSFET drain 5 VG Analog Internal high voltage MOSFET gate 6 VCC Power Input 7 COMP Analog Constant current regulation loop compensation 8 CFG Analog OVP level configuration Product Summary www.dialog-semiconductor.com Pin Description Power supply to control logic and MOSFET drive Rev. 0.8 Preliminary 3 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 5 Absolute Maximum Ratings Absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. Parameter Symbol Value Units VCC -0.3 to 6.0 V VG (pin 5) -0.3 to 18.0 V COMP (pin 7) -0.3 to 6.0 V HV (pin 4) 500 or 650 V ISENSE (pin 1) -0.3 to 6.0 V CFG (pin 8) -0.3 to 6.0 V DC supply voltage range (pin 6) Maximum junction temperature TJMAX 150 °C Operating junction temperature TJOPT -40 to 150 °C Storage temperature TSTG -65 to 150 °C θJA 170 °C/W ESD rating per JEDEC JESD22-A114 ± 2000 V Latch-up test per JESD78D ± 100 mA Thermal resistance junction-to-ambient Product Summary www.dialog-semiconductor.com Rev. 0.8 Preliminary 4 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 6 Physical Dimensions Product Summary www.dialog-semiconductor.com Rev. 0.8 Preliminary 5 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 7 Ordering Information Part no. Options Package Description iW3658-00C1 iW3658-00D 120VAC Input, 500V/3A MOSFET SO-7 Tape & Reel2 iW3658-06D 120VAC Input, 500V/2A MOSFET SO-7 Tape & Reel2 iW3658-201 iW3658-20D 120VAC Input, 500V/3A MOSFET, optimized for high power factor SO-7 Tape & Reel2 iW3658-211 iW3658-21D 230VAC Input, 650V/2A MOSFET, optimized for high power factor SO-7 Tape & Reel2 iW3658-26D 120VAC Input, 500V/2A MOSFET, optimized for high power factor SO-7 Tape & Reel2 iW3658-301 iW3658-30D 120VAC Input, 500V/3A MOSFET, optimized for filament load SO-7 Tape & Reel2 iW3658-311 iW3658-31D 230VAC Input, 650V/2A MOSFET, optimized for filament load SO-7 Tape & Reel2 iW3658-36D 120VAC Input, 500V/2A MOSFET, optimized for filament load SO-7 Tape & Reel2 Note 1: Not recommended for new designs; use the -xxD version. Note 2: Tape and reel packing quantity is 2,500/reel. Minimum packing quantity is 2,500. Product Summary www.dialog-semiconductor.com Rev. 0.8 Preliminary 6 of 7 22-September-2017 © 2017 Dialog Semiconductor iW3658 Single-Stage SSL LED Driver with Integrated High Voltage MOSFET for Dimmable Retrofit Lamps up to 15W 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 specification 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. 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