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      深圳市利盛達科技有限公司 利盛達科技讓電源設計更便捷可靠|聯系電話:13928434054
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      TP3984,升壓白光驅動

      TP3984】升壓白光驅動 下載TP3984規格書

      • 將TP3984添加至收藏夾 用郵件咨詢TP3984的相關信息 就TP3984 QQ咨詢,也可電話至139 2843 4054。

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      TP3984 詳細介紹
      相關商品: KB3308 RT9284 PT4101 LP3302S SY7201 TP3915 TP3992 TP3919 TP3990 TP3989 MP3302 MP1528 MP3202 AT1308 G5125 YB1517 VIC2513 HE3602

      用在雙節上可以驅動3串9并,單節只能到3串7并

      DESCRIPTION
      The TP3984 is a constant current step-up converter specifically designed to drive white LEDs. The Step-up converter  topology  allows  series  connection  of  the white LEDs so the LED currents are identical for uniform brightness. The TP3984 switches at 1.1MHz, allowing  the  use  of  tiny  external  components. The input and output capacitor can be as small as 1µF, saving space and cost versus alternative solutions. A low 0.25V feedback voltage minimizes power loss in the   current   setting   resistor   for   better   efficiency. TP3984  is enhanced with Soft-Start function and that could significantly reduce  noise induced by capacitor.
      The TP3984 is available in low profile SOT23-6 package.

      FEATURES
      ·2.6V to 5.5V Input Range
      ·27V Output with Over Voltage Protection
      ·High Efficiency :85 % Typical
      ·Internal Soft-Start
      ·PWM Dimming Control
      ·Internal High Power 30V MOSFET Switch
      ·Fast 1.1MHz Switching Frequency
      ·Small, Low-Profile Inductors and Capacitors
      ·SOT23-6 Package
      ·RoHS Compliant and 100% Lead (Pb)-Free

      APPLICATIONS
      ·Mobile Phone
      ·Digital Still Camera
      ·PDAs, Handheld Computers
      ·MP3 Players
      ·GPS Receivers


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