Datasheet Texas Instruments LP8861QPWPRQ1 — Datenblatt

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Design LP8861-Q1
SNVSA50C – AUGUST 2015 – REVISED MAY 2017 LP8861-Q1 Low-EMI Automotive LED Driver With Four 100-mA Channels
1 Features 3 Description The LP8861-Q1 is an automotive high-efficiency, lowEMI, easy-to-use LED driver with integrated
boost/SEPIC converter. It has four high-precision
current sinks that can provide high dimming ratio
brightness control with a PWM input signal. 1 Qualified for Automotive Applications
AECQ100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to
+125В°C Ambient Operating Temperature
Input Voltage Operating Range 4.5 V to 40 V
Four High-Precision Current Sinks
– Current Matching 1% (Typical)
– LED String Current up to 100 mA/Channel
– Dimming Ratio of 10 000:1 at 100 Hz
Integrated Boost/SEPIC Converter for LED String
Power
– Output Voltage up to 45 V …