圣邦微电子背光驱动（内部）培训资料

圣邦微电子背光驱动（内部）培训资料圣邦微在手机领域中的应用

高性价比模拟产品 的领航者

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High Performance Analog

Company Overview


Founded in 2003 Focused on Analog IC Design and Marketing Over 180 employees in more than 10 cites: Beijing, Shanghai, Shenzhen, Harbin, Taipei, etc. Vision: World Class Analog IC Company
High-Performance and High-Reliability Analog IC Broad Application Markets Foundry ― TSMC: No Capacity Limit for SGMICRO





Products: 12 product families and more than 400 parts delivered to market

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King / Mhofy 2011/12/15

High Performance Analog

White-LED Driver
LED特点:
体积小(晶片小、封装小) 驱动电压低(1.8―4.5V) 功耗低(40--100mW) 高亮度,冷光源 快闪(10ns---100ns) 寿命长(>10万小时) 坚固耐用(环氧树脂封装) 环保(无汞)

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Mhofy 20120202

High Performance Analog

Classification
Charge pump模式: 并联: 低EMI, 外围电路简单, 整体成本低 串联: 接口少, 支持灯数多, 电流一致性好 1、按电源类型:
Charge 恒流源

避免低压屏闪问