TS19720 datasheet(1/7 Pages) TSC

Part #	TS19720

Description	Signal-Stage PFC Buck Current Control LED Driver

PDF	7 Pages

Scroll/Zoom	100%

Manufacturer	TSC [Taiwan Semiconductor Company, Ltd]

Direct Link	http://www.taiwansemi.com

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TS19720

Taiwan Semiconductor

Document Number: DS_P0000210

1

Version: B15

Signal-Stage PFC Buck Current Control LED Driver

DESCRIPTION

The TS19720 is a high power factor and high accuracy

constant current PWM controller. It is able to control

total

harmonic

distortion

(THD)

and

efficiency

optimization by an external resistor. TS19720 achieves

high power factor and high efficiency by boundary

conduction mode (BCM). The line and load regulation of

LED current are within ±2.5%. TS19720 also provides

gate

driving

voltage

clamping,

VCC

over-voltage

protection,

and

system

output

open/short

circuit

protection to increase IC performance.

FEATURES

●

Low THD <15%

●

Constant Current Accuracy within ±2.5%

●

High Power Factor >0.9

●

Low BOM Cost

●

Boundary Conduction Mode Control

●

Gate Output Voltage Clamp

●

LED Open Protection

●

LED Short Protection

●

Over Current Protection (OCP)

●

Over Thermal Protection (OTP)

APPLICATION

●

LED lighting

●

Down light

●

Tube lamp

●

PAR lamp

●

Bulb

SOT-26

Pin Definition:

1.

VCC

2.

GND

3.

OUT

4.

RT

5.

COM

6.

CS

Notes: Moisture sensitivity level: level 3. Per J-STD-020

TYPICAL APPLICATION CIRCUIT

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TS19720 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

TS19720 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd

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