TS19751

Taiwan Semiconductor

1

Version: B1605

The Product is Covered by Patents and/or Pending Patent Applications

Single-Stage Buck Current Control LED Driver

with High Voltage MOSFET Integrated

DESCRIPTION

The TS19751 is a high performance LED driver

which accuracy constant current PWM controller with

high voltage power MOSFET integrated. It achieves

high accuracy by peak current mode. The device

provide high efficiency along with a number of key

built-in protection features while minimizing the

external component count, simplifying EMI design

and lowering the total bill of material cost. TS19751

also achieving excellent line and load regulation.

Pulse-by-pulse waveform analysis allows for a loop

response

that

is

much

faster

than

traditional

solutions,

resulting

in

improved

dynamic

load

response. The built-in current limit function enables

optimized transformer design in universal off-line

applications over a wide input voltage range.

FEATURES

●

Competitive bill of material design

●

Built-in Power MOSFET

●

Constant current accuracy <±3%

●

●

Peak Current Mode Control

●

LED Open Protection(OLP)

●

Over Current Protection (OCP)

●

Internal Over Thermal Protection (OTP)

●

Fast start-up time < 500ms

APPLICATION

●

Candle light bulb

●

GU10 light bulb

SOP-8

Pin Definition:

1. GND

3. CS

4. CS

5. DRAIN

6. DRAIN

7. HV

8. GND

Notes: MSL 3 (Moisture Sensitivity Level) per J-STD-020

TYPICAL APPLICATOIN CIRCUIT