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RT5047BF

單輸出 LNB 供應和控制電壓調節器

RT5047BF
New

RT5047BF是一高度整合電壓調節器與IC介面,專門設計從先進的衛星機上盒 (STB) 組件供應電源及控制信號到LNB降控制器的天線或多開關盒。
此設置隨著22kHz信號支援DiSEqCTM1.x通訊所需的電路，包含獨立電流模式升壓模式控制器和低電壓差線性調節器。
RT5047BF具有保護功能 (過流保護、過溫保護及欠壓鎖定)。
其支援SOP-8 (裸露焊盤) 封裝以達到優化過溫散熱的解決方案。

應用

  • LNB 電源供應和控制衛星機上盒
  • 類比及數位衛星接受器/衛星電視、衛星PC卡

主要規格

RT5047BF
Status Active
Vin (min) (V) 8
Vin (max) (V) 16
Number of Channels 1
Number of Boost Converters 1
Number of LDO Regulators 1
Application LNB Regulator
Features Current Mode Control;Internal Compensation
Package Type PSOP-8

關鍵特性

  • 輸入電壓範圍 : 8V~16V

  • 6ms計時器, 550mA的輸出電流限制

  • 低雜訊LNB輸出電壓 (13.3V及18.3V SEL引腳)

  • 0mA~500mA ±3%高精度電流輸出

  • 推拉輸出級最小值輸出轉換時間

  • 外部22kHz信號輸入

  • 符合DiSEqCTM1.x協議

  • 輸出短路電流保護

  • 過溫保護

Application Notes

Datasheet

DS5047BF-01.pdf

Datasheet

DS5047BF-01.pdf

RT5047BFGSP
Package Type:PSOP-8
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