* Switching controller section * 5.5 V to 36 V input voltage range * Very low shutdown current: ISHDN * Internal +5 V LDO for gate driver supply * Internal +3.3 V LDO for device supply * Fixed frequency peak current mode control * Adjustable (100 kHz to 1 MHz) switching frequency * External synchronization for multi-device applications * High performance external MOSFET driver * Cycle-by-cycle external MOSFET OCP * Fixed internal soft-start * Programmable output OVP * Boost, buck-boost and SEPIC topologies supported * Thermal shutdown with autorestart * Output short-circuit detection * LED control section * Up to 60 V output voltage * Constant current control loop * High-side output current sensing circuitry * 30 to 300 mV differential sensing voltage * ±4% output current reference accuracy * Output overcurrent protection * Sensing resistor failure protection * PWM dimming with auxiliary series switch * Analog dimming
