TPS61194 Datasheet | Texas Instruments

Features - 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 bined 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 k Hz to 2.2 MHz - Switching synchronization input - Spread spectrum for lower EMI - Extensive fault detection features - Fault output - Input voltage OVP and UVLO - Open and shorted LED fault detection - Thermal shutdown - Minimum number of external ponents 2 Applications - Industrial backlighting systems in control panels - Industrial PC - Test and measurement equipment VIN 4 40 V L1 CIN D1 VOUT up to 45 V COUT R2 R1 BRIGHTNESS EN CLDO RFSET FSET SYNC VDDIO/EN FAULT OUT1 OUT2 OUT3...