38V High Efficiency, Boost WLED Driver with PWM Control, SGM3756 Replace AW9962.
SGM3756
SGM3756.pdf
SGM3756.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 TDFN-2×2-6L Package
PIN CONFIGUTION
優(yōu)勢(shì)替代
FEATURES
? 2.7V 至 5.5V 的輸入電壓范圍
? 38V 過壓保護(hù)（OVP）電壓支持最多 10 顆串聯(lián) LED
? 采用創(chuàng)新的 CDC(Classification Drive Control)
輸出驅(qū)
動(dòng)技術(shù)，顯著提升 EMI 性能
? 200mV 反饋電壓
? 1% PWM 調(diào)光電流精度±20%
? 支持最低 0.3%的 PWM 調(diào)光(VFB.TYP=0.6mV)
? 1.1MHz 開關(guān)頻率
PIN CONFIGUTION
