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PDF TS19705CX6 Data sheet ( Hoja de datos )
| Número de pieza | TS19705CX6 | |
| Descripción | Single-Stage PFC Primary-Side-Regulation LED Driver | |
| Fabricantes | Taiwan Semiconductor | |
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TS19705
Single-Stage PFC
Primary-Side-Regulation LED Driver
SOT-26
Pin Definition:
1. Compensation
2. Ground
3. Current Sense
4. Output
5. VCC
6. DMG
Description
TS19705 is a primary-side-regulation with Fly-back control IC with active power factor correction function for LED
lighting applications. The IC achieves high power factor and low Total Harmonic Distortion (THD) operation by
Boundary Conduction Mode (BCM). The line and load regulation of LED current is about <±3% because of
particular control method.
TS19705 also provides gate driving voltage clamping, VCC overvoltage protection and system output open/short
circuit protection to increase IC performance.
Features
Applications
● Accuracy Constant Current <±3%
● Low BOM Cost
● Primary-side feedback control
● Application Voltage Range: 90~ 264VAC
● Transition-mode PFC operating
● Built-in Active Power Factor Correction
● Constant Output Current Control
● Good Line and Load Regulation
● Open-LED Protection on DMG pin
● Over-Voltage Protection on VCC pin
● Short-LED Protection
● Cycle by Cycle Over Current Protection on CS pin
● Over-Temperature Protection
● Gate Driving Voltage Clamping
● E27, T5, T8 LED lighting
● Bulb
● Down Light
● LED Lighting Applications
Ordering Information
Part No.
Package
Packing
TS19705CX6 RFG SOT-26 3kpcs / 7” Reel
Note: “G” denote for Halogen Free Product
Absolute Maximum Ratings (TA = 25oC unless otherwise noted)
Parameter
Symbol
Power supply pin
DMG voltage to GND
VCC
VDMG
OUT voltage to GND
VOUT
CS voltage to GND
VCS
COM voltage to GND
Junction Temperature Range
Storage Temperature Range
Power Dissipation @TA=25 °C
VCOM
TJ
TSTG
PD
Thermal Resistance Junction to Ambient (Note 2)
RθJA
Thermal Resistance Junction to Case
ESD Rating (Human Body Model)
RθJC
ESD
Range
40
-0.3 to 40
-0.3 to 40
-0.3 to 5.5
-0.3 to 5
-40 to +150
-65 to +150
0.3
220
106.6
2
Unit
V
V
V
V
V
°C
°C
W
°C/W
°C/W
kV
1/7 Version: A14
1 page  
TS19705
Single-Stage PFC
Primary-Side-Regulation LED Driver
Application Information (Continue)
DMG
The Output voltage is reflected by the auxiliary winding (NAUX) voltage of Flyback transformer, the DMG pin can
sense output information to depart from start up voltage (VO_STR) and protection voltage (VO_OVP).
When DMG sense voltage under VO_STR, the circuit will work on short circuit protection, fSTR=1/tSTR.
When DMG sense voltage over VO_OVP, the circuit will work on over voltage protection, it will latchs out until VCC
goes below VCC_OFF.
Where :
l VOUT_OVP is the output-over-voltage protection point
l VOVPS is the over voltage protection signal
l VO_STR is the start-up timer
l NAUX is the number of auxiliary-winding turns
l NSEC is the number of secondary-winding turns
5/7 Version: A14
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TS19705CX6.PDF ] | |
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