KP14503ESGA

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Product Description

KP14503ESGA is a linear constant-current LED driver IC with ON/OFF segment dimming function designed for AC LED lighting applications. It integrates a 650V high-voltage MOSFET and provides a simple, compact solution for LED current regulation without requiring a complex switching power supply circuit.
The device supports segment-based brightness and color temperature adjustment by externally controlling the current ratio between LED channels. It provides accurate constant-current control with up to ±5% current accuracy and supports multi-chip parallel operation for higher power LED designs.
KP14503ESGA is suitable for tunable white (CCT) LED lighting, AC LED bulbs, and compact lighting products where low component count, high-voltage capability, and adjustable color temperature are required.

Product Group	Integrated Circuit (IC)
Output Current	0–40mA per Channel
Protections/Features	Built-in 650V High-Voltage MOSFET, ±5% Constant Current Accuracy, 8-Second Internal Timed Reset, Built-in Over-Temperature Compensation, Multi-Chip Parallel Support, Simple Peripheral Circuit
Operating Mode	Linear Constant-Current LED Driver with ON/OFF Segment Dimming

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