Microchip CL88031T-E/MF LED Driver IC, 90 → 320 V 10-Pin DFN

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£5.421

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£6.50

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Packaging Options:
RS Stock No.:
187-1866
Mfr. Part No.:
CL88031T-E/MF
Brand:
Microchip
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Brand

Microchip

Input Voltage

90 → 320 V

AC or DC Input Voltage

ac

Dimming Operation

Phase

Maximum Output Power

2W

Application

LED Lamps, LED Lighting Fixtures

Package Type

DFN

Number of Pins

10

Current Rating

10mA

The Microchip CL88031 sequential linear LED Driver IC is designed to provide LED power from a utility voltage input. It operates on 90V to 320V voltage range. A string of series LEDs is tapped at six locations, linear current regulators sink current at each tap through a single control point and are sequentially turned on and off. High efficiency is achieved by shutting off upstream regulators when downstream regulators achieve regulation. This makes controlling overall input current easier than trying to control multiple current paths by tracking the input sine wave voltage. It uses a self-commutation technique using only the tap currents that inherently provides smooth transitions from one regulator to the next, without relying on tap voltages or the rectified AC to coordinate the transitions.

Provides gradual reduction in light output with increasing temperature
Provides fairly constant output power over variations in AC line voltage
Adjustable “knee” of regulation
Allows optimization of THD
Provides near-continuous power to the LEDs
Reduces strobing
Uses an external capacitor
Compatible with Phase-cut Dimming, both Leading and Trailing Edge
Temperature range between -40°C to +125°C
8-lead Plastic Dual Flat, No Lead Package (DFN) package

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