38V High Efficiency, Boost WLED Driver with PWM Control, SGM3756 Replace AW9962.
SGM3756
SGM3756.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 TDFN-2×2-6L Package
PIN CONFIGUTION
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优势替代
FEATURES
• 2.7V 至 5.5V 的输入电压范围
• 38V 过压保护(OVP)电压支持最多 10 颗串联 LED
• 采用创新的 CDC(Classification Drive Control)
输出驱
动技术,显著提升 EMI 性能
• 200mV 反馈电压
• 1% PWM 调光电流精度±20%
• 支持最低 0.3%的 PWM 调光(VFB.TYP=0.6mV)
• 1.1MHz 开关频率
PIN CONFIGUTION
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