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产品介绍 LM3530Features
■ Drives up to 11 LED’s in series ■ 1000:1 Dimming Ratio ■ 90% Efficient ■ Programmable Dual Ambient Light Sensor Inputs with internal ALS Voltage Setting Resistors ■ I2C Programmable Logarithmic or Linear Brightness Control ■ External PWM Input for Simple Brightness Adjustment ■ True Shutdown Isolation for LED's and Ambient Light Sensors ■ Internal Soft-Start Limits Inrush Current ■ Wide 2.7V to 5.5V Input Voltage Range ■ 40V and 25V Over-Voltage Protection Options ■ 500kHz Fixed Frequency Operation ■ 839mA Peak Current Limit ■ Low-Profile 12-bump micro SMD Package |