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RT4832A是閃光燈LED驅動器、背光WLED驅動器和DSV驅動器的整合全方位電源解決方案。閃光LED驅動器提供高達2通道 1.5A的應用。背光WLED驅動器可為10只WLED應用程序提供高達36V的輸出。並提供1024步階LED電流與對數/線性曲線。DSV由一個單電感升壓和反相電荷泵實現,與雙電感相比,它們可提供最小的EVB面積。負輸出功率 (CPOUT) 來自升壓輸出 (LCMOUT)。它還提供DSV正電壓 (POS),通過LDO通過降低功率噪聲。它們的範圍可以分別從±4V至±6V / 每步階50mV編程。閃光燈升壓轉換器工作頻率為2MHz / 4MHz。4MHZ頻率解決方案允許使用簡單及 low-profile的組件。手電模式電流可以從25mA到375mA,每步階25mA。頻閃模式電流範圍為100mA至1.5A / 每步階100mA。DSV驅動TFT-LCD面板高達10“(從SFF到MFF,例如平板電腦)。這兩個輸出導軌通常連接到Source Driver IC。寬輸入電壓範圍為2.5V至5.5V,可優化單節電池應用(鋰離子,鎳鋰,鋰聚合物),對稱輸出電流高達80mA。RT4832A提供完整的保護如VIN欠壓鎖定、Vin監控保護、過流保護、過壓保護、LED短路保護、VOUT短路保護和過溫保護。RT4832A採用WL-CSP-30B 2.24x2.64 (BSC) 封裝。
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