AGREE

This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Cookie Statement.
If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Find out more here.

RT9731A/RT9731B

雙通道精準可調電流限制的功率開關

RT9731A/RT9731B
New

RT9731A/B是一款雙通道配電開關，適用於需要精密電流限制或遇到大電流負載和短路的應用。本產品透過外部電阻為每個通道提供可編程的電流限制門檻，範圍為560mA至2.8A (典型值)。藉由控制電源開關的上升和下降時間，來最小化開/關轉換期間的電流浪湧。
每當輸出負載超過電流限制門檻時，透過切換到定電流模式，RT9731A/B的每個通道將輸出電流限制在安全水準。每個通道的FLAG邏輯輸出在過電流時，獨立變為低電位。
RT9731A/B採用薄型WDFN-10L 3x3封裝。

應用

  • USB介面/集線器
  • 數位TV
  • 機上盒
  • 網際網路電話

主要規格

RT9731A RT9731B
Status Active Active
Number of Outputs 2 2
Vin (min) (V) 2.5 2.5
Vin (max) (V) 5.5 5.5
Ron (typ) (mOhm) 44 44
Iq (typ) (mA) 0.13 0.13
Current Limit (typ) (A) 2.8 2.8
FLAG Indicator Yes Yes
Iocp Adjustable Yes Yes
Safety Nemko;UL Nemko;UL
Switch Type Power Switch Power Switch
Features Adjustable Current Limit;Enable Input;OCP;SCP Adjustable Current Limit;Enable Input;OCP;SCP
Package Type WDFN3x3-10 WDFN3x3-10

關鍵特性

  • 2.5V至5.5V輸入電壓範圍

  • 兩個獨立的限流通道

  • 符合USB限流要求

  • 可調電流限制從560mA到2.8A

  • 2.8A時的±7.5%電流限制精度

  • 兩個44mΩ上橋MOSFET

  • 2μA最大待機電源電流

  • 內置軟啟動

  • 薄型10引腳WDFN封裝

  • UL認證 - E219878

  • Nemko認證 - NO65969

  • 符合 RoHS 標準及不含鹵素

Datasheet

DS9731AB-03.pdf

Datasheet

DS9731AB-03.pdf

RT9731AZQW(2)
Package Type:WDFN3x3-10
申請樣品 購買
與銷售人員聯繫