PWM Brightness Control

文件：368.55 Kbytes 页数：17 Pages

SGMICRO

圣邦股份

White LED Charge Pump Current Source with PWM Brightness Control

文件：2.40642 Mbytes 页数：16 Pages

SGMICRO

圣邦股份

PWM Dimming, Charge Pump White LED Driver with Low Dropout Current Source

The SGM3122 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump. The charge pump has 1×/1.5× fractional operation mode. The SGM3122 is designed for LCD display backlight applications.\nThe supply voltage operates from 2.7V to 5.5V and • Input Voltage Range: 2.7V to 5.5V\n\n• Support up to 4 LEDs at 30mA Each\n\n• LED Brightness Control through PWM Signal\n\n• 1× and 1.5× Charge Pump for High Conversion Efficiency\n\n• Switching Frequency: 1MHz\n\n• 0.5% Regulated Output Current Matching\n\n• Built-in Soft-Start for Reducing I;

SGMICRO

圣邦股份

White LED Charge Pump Current Source with PWM Brightness Control

文件：2.40642 Mbytes 页数：16 Pages

SGMICRO

圣邦股份

White LED Charge Pump Current Source with PWM Brightness Control

文件：2.40642 Mbytes 页数：16 Pages

SGMICRO

圣邦股份

White LED Charge Pump Current Source with PWM Brightness Control

文件：2.40642 Mbytes 页数：16 Pages

SGMICRO

圣邦股份