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SD6904STR Schematic ( PDF Datasheet ) - SILAN MICROELECTRONICS

Teilenummer SD6904STR
Beschreibung NON-ISOLATED LED LIGHTING DRIVE IC
Hersteller SILAN MICROELECTRONICS
Logo SILAN MICROELECTRONICS Logo 




Gesamt 7 Seiten
SD6904STR Datasheet, Funktion
SD690XS_Datasheet
NON-ISOLATED LED LIGHTING DRIVE IC WITH BUILT-IN HIGH-VOLTAGE
MOSFET, HIGH PFC AND HIGH CONSTANT CURRENT ACCURACY
DESCRIPTION
SD690XS is designed for non-isolated LED driving with floating
Buck structure and built-in 600V MOSFET. With this structure,
inductor current is 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.
SD690XS 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).
Bulb Lamp
T5/T8 LED Lamp
FEATURES
Various LED Lighting
Proprietary constant control method (Patent)
Built-in 600V MOSFET
Constant current with high accuracy for LED (<±3%)
PF>0.9 in full voltage range
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.
SD6901STR
SD6902STR
SD6904STR
Package
SOP-7-225-1.27
SOP-7-225-1.27
SOP-7-225-1.27
Marking
SD6901S
SD6902S
SD6904S
Material
Halogen free
Halogen free
Halogen free
Packing
Tape&Reel
Tape&Reel
Tape&Reel
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:0.4
2013.04.07
Page 1 of 7






SD6904STR Datasheet, Funktion
Silan
Microelectronics
TYPICAL APPLICATION CIRCUIT
VCC is powered by auxiliary winding
AC
INPUT
SD690XS
1 VCC GND 7
2 CS
3 COMP DRAIN 6
4 ZCD DRAIN 5
SD690XS_Datasheet
VCC is powered by Zener diode
AC
INPUT
SD690XS
1 VCC GND 7
2 CS
3 COMP DRAIN 6
4 ZCD DRAIN 5
Note: The circuit and parameters are for reference only; please set the parameters of the real application circuit
based on the real test.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:0.4
2013.04.07
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