Description

80VIN, 80VOUT Constant-Current, Constant-Voltage Converter Features: 3000:1 True Color PWM™ Dimming Wide Input Voltage Range: 4.5V to 80V Output Voltage Up to 80V Internal 3.3A/84V Switch Constant-Current and Constant-Voltage Regulation 250mV High Side Current Sense Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology Adjustable Frequency: 100kHz to 1MHz Open LED Protection Programmable Undervoltage Lockout with Hysteresis Constant-Voltage Loop Status Pin PWM Disconnect Switch Driver CTRL Pin Adjusts High Side Current Sense Threshold Low Shutdown Current: <1μA Programmable Soft-Start Available in the 36-Lead (5mm × 6mm) QFN Package