Datasheet

Table Of Contents
42063A–LED–02/2013
Features
Dual-string LED driver for 2-color or 2 unequal V
F
LEDs
Phase shifted register controlled dimming (MSL2023)
Individual PWM inputs (MSL2024)
Adaptively controls headroom of AC/DC or DC/DC, isolated or non-isolated
topologies
Main LED string driven by linear current controller
Drives external N-channel MOSFET
± 3% current accuracy, no ripple current
8-bit DAC for peak current control
Color-adjust LED string uses floating buck controller
Drives external N-channel MOSFET
Over 100:1 dimming range
Open and short LED detection
8-bit DAC allows changing current sense threshold
I
2
C accessible driver settings and EEPROM
Open-drain fault indicator output
-40°C to +105°C operating temperature range
Typical Applications
General and architectural lamps
High CRI LED fixtures
Down lights and recessed lights
PAR lamps
Atmel LED Drivers
MSL2023 / MSL2024
2-String LED Driver with Individual PWM Dimming
and Adaptive Headroom Control for High CRI LED
Luminaires

Summary of content (40 pages)