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SD6900TR

Part Number	SD6900TR
Manufacturer	Silan Microelectronics
Description	NON-ISOLATED LED LIGHTING DRIVE IC
Published	Jul 2, 2015
Detailed Description	Silan Microelectronics SD6900_Datasheet NON-ISOLATED LED LIGHTING DRIVE IC WITH HIGH PFC AND HIGH CONSTANT CURRENT ACC...
Datasheet	SD6900TR PDF File

Overview

Silan Microelectronics SD6900_Datasheet NON-ISOLATED LED LIGHTING DRIVE IC WITH HIGH PFC AND HIGH CONSTANT CURRENT ACCURACY DESCRIPTION SD6900 is designed for non-isolated LED driving with floating Buck structure.
With this structure, inductor current will be sensed and closed-loop is formed with the internal error amplifier for high constant current accuracy and high input/output regulation rate.
Also, high PF in full range is available as its own PFC control.
Boundary Conduction mode is adopted for decreasing switching loss and improving the conversion efficiency.
SD6900 integrates various protections, such as output open circuit protection, output short circuit protection, cycle-by-cycle current limit protection, over temperature protection and VCC over voltage protection.
The start-up current and operating current are low and highlight APPLICATION LED can be driven with high efficiency in full range (85VAC~265VAC).
FEATURES * Bulb Lamp * T5/T8 LED Lamp * Various LED Lighting * Proprietary constant control method (Patent) * Constant current with high accuracy for LED (<±3%) * PF>0.
9 in full voltage range * High efficiency >93% (18W) * Boundary-Conduction mode * LED short circuit protection (Patent) * LED open circuit protection * VCC over/under voltage protection * Over temperature protection * Over current protection ORDERING INFORMATION Part No.
SD6900TR Package SOT-23-6L Marking SD6900 Material Pb free Packing Tape&Reel HANGZHOU SILAN MICROELECTRONICS CO.
,LTD Http://www.
silan.
com.
cn REV:1.
0 2012.
12.
13 Page 1 of 8 Silan Microelectronics BLOCK DIAGRAM VCC OVP 50us debounce SD6900_Datasheet 1 VCC Undervoltage UVLO lockout 22V Internal VREF5.
5V bias ++- ZCD 4 ZCD control OTP Logic control S Q R DRV 3 DR CS 6 Polarity conversion CS reference +- Gm amplifier TON comparator COMP 5 GND 2 ABSOLUTE MAXIMUM RATINGS Characteristics Supply voltage Feedback voltage Sample voltage COMP voltage DR voltage Junction temperature R...

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