OBSOLETE

[ Alternative : LC5566LD]

LC5511D

Package Image

Package:DIP8 (Pin 7 Removed)

The LC5500 series is the power IC for the LED driver which has an incorporated power MOSFET, designed for input capacitorless applications, and making it possible for systems to comply with the harmonics standard (IEC61000-3-2 class C).
The controller adapts the average current control method for realizing high power factors, and the quasi-resonant topology contributes to high efficiency and low EMI noise.
The rich set of protection features helps to realize low component counts, and high performance-to-cost power supply.

Design Support

Related Documents

■Application Note
■Other

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Features

    ・Non-isolated type
    ・Built-in ON time control circuit
    ・Built in startup circuit
    ・Built-in soft start function
    ・Built-in bias assist function
    ・Built-in leading edge blanking function
    ・Built-in maximum ON time control circuit
    ・Protection functions
    Overcurrent protection (OCP): Pulse by pulse
    Overvoltage protection (OVP): Auto restart (VCC, OCP, ISENSE pin)
    Overload protection (OLP): Auto restart
    Thermal shutdown (TSD): Latch

Application

    ・LED lighting equipment
    ・LED lights bulbs

Specifications

Type
Circuit Type Flyback
Isolated / Non-Isolated Non-Isolated
MOSFET Breakdown Voltage 650 V
On-Resistance 3.95 Ω
Output Power / Output current 2.5A
OCP Pulse by pulse
OLP Auto Restart
OVP Auto Restart
LED Open / Short Protection NO
Dimming Function PWM
Package Weight (Typ.) 0.51 g

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Physical Dimensions

Physical Dimensions

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