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PDF TS19452CS Data sheet ( Hoja de datos )
| Número de pieza | TS19452CS | |
| Descripción | AC/DC WLED Driver | |
| Fabricantes | Taiwan Semiconductor | |
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TS19452
AC/DC WLED Driver with Internal MOSFET
Universal Switch Mode
SOP-8
Pin assignment:
1. Drain
8. Ground
2. Drain
7. Ground
3. Drain
6. Ground
4. Vdd
5. Ground
General Description
The TS19452 is a PWM high efficiency LED driver control IC. It allows efficient operation of LED strings from
voltage source ranging up to 450VDC. It includes an internal high voltage switching MOSFET controlled with
fixed off-time of approximately 12µS.
The LED string is driven at constant current, thus providing constant light output and enhanced reliability. The
output current is internally fixed at 100mA. The peak current control scheme provides good regulation of the
output current throughout the universal AC line voltage range of 85~264VAC or DC input voltage of 20~400V
Features
● Constant output current at 100mA(typ)
● Universal 85~264VAC operation
● Fixed off-time buck converter
● Internal 475V power MOSFET
● Low inductance value at 4.7mH (typ)
Typical Application Circuit
Application
● Decorating LED lighting
● LED lamps with AC or DC operation.
Ordering Information
Part No.
Package
Packing
TS19452CS RLG SOP-8 2.5Kpcs / 13” Reel
Note: “G” denote for Halogen Free Product
Absolute Maximum Rating
Parameter
Symbol
Limit
Unit
Input Voltage Range
VIN to GND
~ +475
V
Supply Current
IDD 400 uA
Power Dissipation @ TA=25ºC
PD
2500
mW
Operating Ambient Temperature
TOPR
-40 to +85
ºC
Storage Temperature Range
TSTG
-65 to +150
oC
Junction Temperature Range
TJ
-40 to +150
oC
Thermal Resistance – Junction to Ambient
RθJA
65 oC/W
Note: Stresses beyond those listed under ”Absolute Maximum Ratings” may cause permanent damage to the
device. These are stress rating only, and functional operation of the device at these or any other conditions beyond
those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
1/7 Version: A12
1 page  
TS19452
AC/DC WLED Driver with Internal MOSFET
Universal Switch Mode
Electrical Characteristics Curve
Figure 1. Switch-Off Transition
Ch1: VDRAIN, Ch3: IDRAIN
Figure 2. Switch-On Transition
Ch1: VDRAIN, Ch3: IDRAIN
Figure 3. Lead Edge Spike
Ch1: VDRAIN, Ch3: IDRAIN
5/7 Version: A12
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TS19452CS.PDF ] | |
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