Features

• Single inductor high power buck-boost controller

• Switching frequency range from 200 kHz to 700 kHz

• Maximum efficiency in every condition (up to 96)

• Constant current (LED) and constant voltage regulation

• EMC optimized device: spread spectrum always activated

• Overvoltage, shorted LED fault and overtemperature diagnostic output

• Enhanced dimming features: Analog and PWM dimming (from digital input or sourced by

embedded PWM engine)

• LED current accuracy ± 3

TLD5191ES属于集成电路（IC） > LED 驱动器。英飞凌科技公司制造生产的TLD5191ESLED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。