38V High Efficiency, Boost WLED Driver with PWM Control, SGM3752 Replace BIT3269.
SGM3752
SGM3752.pdf
SGM3752.pdfFEATURES
? 1:250 Stable Luminance Dimming
? Low EMI by Conducting Ringing Cancelling
? Improved PSRR for Waveless Lighting
? Input Voltage Range: 2.7V to 5.5V
? Integrated 40V, 1.5A Current Limit MOSFET
? 38V Open LED Protection for 10 LEDs in Series
? 1.2MHz Switching Frequency
? 200mV Reference Voltage
? PWM Brightness Control
? Under-Voltage Protection
? Up to 90% Efficiency
? Built-in Soft-Start Function
? Thermal Shutdown
? -40℃ to +85℃ Operating Temperature Range
? Available in Green TSOT-23-6 Package
PIN CONFIGUTION
优势替代
FEATURES
? 2.5V to 10V input range
? Drives up to 27 LEDs from a 5V supply
? 36V power switch
? Current mode control
? 650mA current limitation
? Fast 1.2MHz switching frequency
? SOT23-6 package
PIN CONFIGUTION
