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SILAN MICROELECTRONICS

SD6904S Datasheet Preview

SD6904S Datasheet

NON-ISOLATED LED LIGHTING DRIVE IC

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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




SILAN MICROELECTRONICS

SD6904S Datasheet Preview

SD6904S Datasheet

NON-ISOLATED LED LIGHTING DRIVE IC

No Preview Available !

Silan
Microelectronics
SD690XS_Datasheet
BLOCK DIAGRAM
ZCD
4
ZCD
control
VCC OVP
50us
Debounce
OTP
Logic
control
S
Q
R
1
VCC
Undervoltage UVLO
lockout
22V
Internal VREF5.5V
bias
DRAIN 5/6
DRV
CS
2
Polarity
conversion
CS reference
Gm
amplifier
TON
comparator
COMP
3
GND
7
ABSOLUTE MAXIMUM RATINGS
Characteristics
Symbol
Supply voltage
Feedback voltage
Sample voltage
COMP voltage
DRAIN voltage
Junction temperature
Range
VCC
VZCD
VCS
VCOMP
VDRAIN
Tj
Storage
Range
temperature
TS
Rating
-0.3~22
-0.3~6.5
-6.5~6.5
-0.3~6.5
-0.3~600
-40~125
-65~150
ELECTRICAL CHARACTERISTICS (Unless otherwise stated, VCC=16V, Tamb=25°C)
Characteristics
Operating voltage
UVLO VH
UVLO VL
VCC OVP
Start-up current
Quiescent current
Symbol
VCC
UVLOH
UVLOL
VCCOVP
ISTART
IVCC
Test condition
After start
Before start, VCC=15V
No switching waveform
after start-up
Min.
10
15
7.5
20.5
0
800
Typ.
16
16
8.5
22
4
950
Max.
18
17
9.5
23
10
1100
Unit
V
V
V
V
V
°C
°C
Unit
V
V
V
V
μA
μA
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:0.4
2013.04.07
Page 2 of 7


Part Number SD6904S
Description NON-ISOLATED LED LIGHTING DRIVE IC
Maker SILAN MICROELECTRONICS
Total Page 7 Pages
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