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Silan Microelectronics
Silan Microelectronics

SD670XS Datasheet Preview

SD670XS Datasheet

Low power consumption and high precision non-isolated constant current buck LED Lighting Driver IC

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SD670XS pdf
Silan
Microelectronics
SD670X_Datasheet
NON-ISOLATED BUCK LED LIGHTING DRIVE IC WITH LOW POWER ANG HIGH
CONSTANT CURRENT ACCURACY
DESCRIPTION
SD670XS is designed for non-isolated LED driving with floating Buck
structure, and high constant current accuracy and high linear/load
regulation available with assistant of special sense technology.
SD670XS integrates various protections, such as output open circuit
protection, cycle-by-cycle current limit protection and over temperature
protection.
The start-up current and operating current are low and highlight LED can
be driven with high efficiency in full range (85VAC~265VAC).
SD670XS integrates high voltage power MOSFET, reducing the system
cost and the whole volume.
SOP-7-225-1.27
FEATURES
Built-in 500V high voltage power MOSFET
Constant current with high accuracy for LED (<±3%)
Output open circuit protection
CS open circuit protection
VCC undervoltage protection
Over temperature protection
Cycle-by-cycle current protection
No auxiliary winding
APPLICATION
Bulb Lamp
T5/T8 LED Lamp
Various LED Lighting
ORDERING INFORMATION
Part No.
SD6701ASTR
SD6701STR
SD6702STR
SD6703STR
SD6704STR
Package
SOP-7-225-1.27
SOP-7-225-1.27
SOP-7-225-1.27
SOP-7-225-1.27
SOP-7-225-1.27
Material
Halogen free
Halogen free
Halogen free
Halogen free
Halogen free
Packing
Tape&Reel
Tape&Reel
Tape&Reel
Tape&Reel
Tape&Reel
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
http: //www.silan.com.cn
Rev.:1.5
Page 1 of 7



Silan Microelectronics
Silan Microelectronics

SD670XS Datasheet Preview

SD670XS Datasheet

Low power consumption and high precision non-isolated constant current buck LED Lighting Driver IC

No Preview Available !

SD670XS pdf
Silan
Microelectronics
SD670X_Datasheet
BLOCK DIAGRAM
4
VCC
UVLO
UVLO
VREF5.5V Internal
bias
DRAIN 5/6
M2
Zero
crossing on
CC
reference
CS Sense
CS
reference
S
R1
Current limit
Q
comparator
CS
R2
VCOMP
Gm
amplifier
Comp
Comparator
Logic drive
OVP
setting
M1
3
CS
ABSOLUTE MAXIMUM RATINGS
Characteristics
Symbol
Drain-Gate voltage (RGS=1MW)
Gate-Source Volyage
SD6701AS
Drian current
pulse
SD6701S
SD6702S
SD6703S
SD6704S
Drain
continuous
current
(Tamb=25°C)
SD6701AS
SD6701S
SD6702S
SD6703S
SD6704S
Supply voltage
ROVP voltage
Sense voltage
DRAIN voltage
Junction temperature Range
Storage temperature Range
VDGR
VGS
IDM
ID
VCC
VROVP
VCS
VDRAIN
Tj
TS
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
http: //www.silan.com.cn
ROVP 1
Rating
600
±30
2.4
4
8
10
12
0.8
1
2
3
4
-0.3~17
-0.3~6.5
-0.3~6.5
-0.3~500
-40~150
-55~150
GND 7
Unit
V
V
A
A
V
V
V
V
°C
°C
Rev.:1.5
Page 2 of 7


Part Number SD670XS
Description Low power consumption and high precision non-isolated constant current buck LED Lighting Driver IC
Maker Silan Microelectronics
Total Page 7 Pages
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Silan Microelectronics
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