Description

OCP8155 is a high precision constant current LED

driver IC with an integrating 650V power MOSFET,

designed for offline flyback constant current LED

lighting within 18W output power, and suitable for

universal input voltage from 85VAC to 265VAC.

IC adopts DIP-8L package. OCP8155 utilizes

primary-side feedback technology to achieve excellent

line regulation and load regulation without TL431,

optical coupling and feedback circuit, greatly saving the

system cost and size.

OCP8155 is provided with perfect protection

functions. The chip detects the VCC pin for

over-voltage detection, and once detecting an

over-voltage signal, the chip enters a “Hiccups” mode

to limit output power. Meanwhile the chip also includes

LED open/short circuit protection, FB short circuit

protection, under-voltage lockout and over-temperature

protection functions to guarantee the entire system

work safely and stably in harsh working environment.

Feature

Internal 650V Power MOSFET

Primary-side Feedback Technology,

No Secondary-side Feedback Circuit Required

No Loop Compensation

±3 Constant Current Accuracy

85VAC~265VAC Universal Input Voltage

LED Open/Short Circuit Protection

FB to GND Short Circuit Protection

Over-temperature Protection

Under-voltage Lockout Function

CS Resistance Open Circuit Protection

Operating Temperature Range：TA=-40 ~ 85℃

Available in DIP-8L Package

Application

LED Fluorescent Lamp

E27、Par Lamp、Down Light

LED Bulb、Spot Light

Other LED Lighting