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Documents TPS61194
SNVSAF5C – JANUARY 2016 – REVISED JUNE 2017 TPS61194 High-Performance Four-Channel LED Driver
1 Features 2 Applications 1 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 per Channel
– Outputs can be Combined Externally for
Higher Current per String
High Dimming Ratio of 10 000:1 at 100 Hz
Integrated Boost/SEPIC Converter for LED String
Power
– Output Voltage up to 45 V
– Switching Frequency 300 kHz to 2.2 MHz
– Switching Synchronization Input
– Spread Spectrum for Lower EMI
Extensive Fault Detection Features
– Fault Output
– Input Voltage OVP and UVLO …
