ILD2111 Digital DC/DC Buck Controller IC Datasheet Revision 1.0, 2015-04-08 Power Management & Multimarket ILD2111 Digital DC/DC Controller with I-Set Product highlights Assumes control of functionality where a microcontroller is required in conventional systems Device configurable by a comprehensive parameter set High efficiency over wide input and output ranges High accuracy of +/-5% over output current range and useful temperature PG-DSO-8-58 Integrated electronic control gear for LED Features luminaires Hysteretic current regulation Description Output current adjustable in up to 16 steps with a dynamic range of 1:4 between min. and max. The ILD2111 is a high-performance configurable by an external resistor microcontroller-based digital DC/DC buck LED Flicker-free and phase-aligned PWM dimming controller, designed as a constant current source. based on input PWM signal The driving current is adjustable with a simple Fully configurable internal and external smart external resistor. Flicker-free dimming supported by overtemperature protection means of phase-aligned PWM LED current. An Open/short load protection ASSP digital microcontroller-based engine is highly configurable using a comprehensive parameter set Overpower protection to provide fine tuning of operation and protection features. High-precision hysteretic output current Applications regulation is achieved thanks to the digital control LED drivers, e.g. 2-stage professional lighting loops. systems VIN LEDs 5 GD0 MOSFET 4 BSP373 L6327 CS 3 PFC+Flyback VCC Line Voltage ILD2111 7 DC/DC Buck Current GND 8 Control REF/SC 2 Rext VDDP Temperature Control TS 1 PTC ZD2V7 PWM 6 PWM - Dimming GND UART Interface External Configuration & PWM Signal In-Circuit Calibration Figure 1. Typical Application Product type Package ILD2111 PG-DSO-8-58 Datasheet 2 Revision 1.0, 2015-04-08