圣邦微电子8路并联背光驱动：SGM3145和SGM3146 资料

king_zhang

目前智能手机对大屏的需求也越来越大，圣邦微电子跟进市场需求推出两颗8路并联背光驱动：SGM3145(PWM调光模式）和SGM3146（单线调光模式），两颗物料完全可以做出 PIN TO PIN兼容设计，方便于你的应用选择
1，少了串联背光的高压和电感的干扰，降低了成本
2，可以节省PCB面积
缺点是:LCM 的FPC数量相对较多

FEATURES
􀁺 Input Voltage Range: 2.7V to 5.5V
􀁺 Drives up to 8 LEDs at 27mA Each
􀁺 One Single Wire Interface
􀁺 16-Step Brightness Control
􀁺 High Efficiency by Fractional Conversion with
1× and 1.5× Modes
􀁺 Switching Frequency: 0.86MHz
􀁺 Regulated Output Current with ±5% Matching
􀁺 Internal Soft-start Limits Inrush Current
􀁺 Low Input Ripple and Low EMI
􀁺 Over Current and Over Temperature Protection
􀁺 Under Voltage Lockout with Hysteresis
􀁺 Available in Green TQFN-3×3-20L Package
【文件名】:12710@52RD_SGM3145.pdf
【格　式】:pdf
【大　小】:431K
【简　介】:
【目　录】:

li_wm

非常感谢分享！

talenx

和SI-EN的相比有什么优势？