38V High Efficiency, Boost WLED Driver with PWM Control, SGM3752 Replace BIT3269.
SGM3752
SGM3752.pdf
FEATURES
• 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
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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
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