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MP3384

4.5V-25Vin, 4-Channel WLED Boost Converter; ● High Efficiency and Small Size \n● 4.5V to 25V Input Voltage Range \n● 50V Maximum Step-up Voltage \n● Balanced Driver for 4 Strings of WLED \n● 2.5% Current Matching Accuracy Between Strings \n● Selectable Switching Frequency: 1.25MHz or 625kHz \n● PWM DimmingProgrammable Over-voltage Protection \n● Under Voltage Lockout \n● Open and Short LED Protection \n● Thermal Shutdown \n● Small 16-pin QFN (3mm x 3mm)\n;

The MP3384 is a step-up converter with 4-channel current sources designed for driving the white LED arrays for large size LCD panel backlighting applications. The MP3384 uses current mode, fixed frequency architecture. The switching frequency can be selected at 1.25MHz or 625kHz. It generates an output voltage up to 50V from a 4.5V to 25V input supply. The MP3384 independently regulates the current in each LED string to the user programmed value set by an external current setting resistor. The MP3384 applies 4 internal current sources to achieve a current balance of 2.5% regulation accuracy between strings. Its low 600mV regulation voltage on LED current sources reduces power loss and improves efficiency. The MP3384 includes under voltage lockout, current limiting, over voltage, short LED, open LED and thermal shut-down protection. The MP3384 is available in small QFN16 (3mmx 3mm) package.

MP3384

50V, 4-String White LED Driver

MP3384L

3V-25輸入，50V輸出，4通道WLED升壓變換器; ? 高效\n? 3V至25V輸入電壓范圍\n? 50V最大升壓電壓\n? 用于4個白光LED燈串的平衡驅(qū)動器\n? 燈串之間的電流匹配精度為2.5％\n? 可選開關(guān)頻率：\n? 625kHz或1.25MHz\n? PWM 調(diào)光\n? 可調(diào)過壓保護\n? 欠壓鎖定（UVLO）保護\n? LED 開路和短路保護\n? 過溫關(guān)斷保護\n? 采用16引腳 3mm x 3mm QFN 封裝\n;

MP3384L是一款升壓變換器，可控制多達4個白光LED燈串用于LCD背光。\n\n它具有625kHz或1.25MHz可選固定開關(guān)頻率。其輸入電壓范圍為3V至25V。MP3384L所具有的低端輸入電壓使它可以通過單節(jié)電池為平板顯示器供電。\n\n它具有4個內(nèi)部電流源，可通過外部電流設(shè)置電阻獨立調(diào)節(jié)每個LED燈串中的電流。燈串之間的電流平衡達到2.5％的調(diào)節(jié)精度。其用于LED電流源的600mV的低調(diào)節(jié)電壓可降低功耗并提高效率。\n\nMP3384L具有多種保護功能，包括欠壓鎖定、MOSFET電流限制、過壓保護、LED開/短路保護和過溫關(guān)斷保護。\n\nMP3384L采用3mm×3mm QFN16封裝。\n\n

MP3384EQ

50V, 4-String White LED Driver

MP3384L

50V, 4-String, White LED Driver

MP3384LGQ

絲印：AFZ；Package：QFN16；50V, 4-String, White LED Driver

MP3384EQ-LF-Z

Package：16-VFQFN 裸露焊盤；包裝：卷帶（TR） 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRVR RGLTR PWM 40MA 16QFN

MP3384LGQ-P

Package：16-VFQFN 裸露焊盤；包裝：卷帶（TR） 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRVR RGLTR PWM 30MA 16QFN

MP3384LGQ-Z

Package：16-VFQFN 裸露焊盤；包裝：卷帶（TR） 類別：集成電路（IC） LED 驅(qū)動器 描述：IC LED DRVR RGLTR PWM 30MA 16QFN