SGM37604.pdf? 11% Matched Current Sinks across Process,
Voltage and Temperature at ILED = 12.21μA
? 1% Matched Current Sinks across Process,
Voltage and Temperature at ILED = 25mA
? 11% Current Sink Accuracy across Process,
Voltage and Temperature at ILED = 12.21μA
? 3% Current Sink Accuracy across Process,
Voltage and Temperature at ILED = 25mA
? 12-Bit Dimming Resolution
? Up to 90% Solution Efficiency
? Drive from 1 to 4 Parallel LED Strings at Up to 29.5V
? PWM Dimming Input
? I2 C Programmable
? Phase Shift Function
? Hybrid PWM + Current Dimming for Higher LED
Driver Optical Efficiency
? 1.2MHz Switching Frequency
? Low EMI by Conducting Ringing Cancelling
? Over-Voltage Protection
? Over-Current Protection
? Thermal Shutdown Protection
? 1% Matched Current Sinks Across Process,
Voltage, Temperature
? 3% Current-Sink Accuracy Across Process,
Voltage, Temperature
? 11-Bit Dimming Resolution
? Up to 90% Solution Efficiency
? Drives from One to Two Parallel LED Strings at up
to 38 V at 25 mA per String
? PWM Dimming Input
? I2C Programmable
? Selectable 500-kHz and 1-MHz Switching
Frequency With Optional –12% shift
? Auto Switch Frequency Mode (250 kHz, 500 kHz,1 MHz)
? Four Configurable Overvoltage Protection
Thresholds (17 V, 24 V, 31 V, 38 V)
? Four Configurable Overcurrent Protection
Thresholds (750 mA, 1000 mA, 1250 mA,1500 mA)
? Thermal Shutdown Protection
? Externally Selectable I2C Address Options via ASEL Input
