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RTQ2816

18V, 6A, 同步Buck轉換器

RTQ2816
New

RTQ2816是高效率的同步Buck轉換器，負載能力6A，可在4.5V~18V輸入電壓範圍內工作。它採用電流模式控制架構，補償外部可調，可在寬闊的負載範圍和輸出電容條件下獲得優化的瞬態回應特性。它採用逐週期電流限制保護設計應對輸出端短路情形，有軟啟動過程可消除啟動期間的電流浪湧，還有輸出欠壓保護、輸出過壓保護和過熱保護等故障保護功能。

應用

  • 高性能負載點調節器
  • 筆記型電腦
  • 高密度和分散式供電系統

主要規格

RTQ2816
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 18
Number of Outputs 1
Vout (min) (V) 0.8
Vout (max) (V) 15
Output Adj. Method Resistor
Iout (max) (A) 6
Current Limit (typ) (A) 11
Freq (typ) (kHz) 480
Freq (min) (kHz) 200
Freq (max) (kHz) 1600
Ext Sync Yes
Ron_HS (typ) (mOhm) 26
Ron_LS (typ) (mOhm) 19
Iq (typ) (mA) 0.6
Features 100% Duty Cycle;Adjustable Frequency;Adjustable Soft-Start;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;External Synchronization;Force PWM;OCP;OTP;Power Good;Stable with Ceramic Capacitor;UVP
Package Type WQFN3.5x3.5-14A

關鍵特性

  • 集成26mΩ/19mΩ功率開關

  • 輸入電壓範圍：4.5V~18V

  • 可調工作頻率範圍：200kHz~1.6MHz

  • 電流模式控制架構

  • 外同步時鐘信號頻率範圍：200kHz~1.6MHz

  • -40°ree;C~85°ree;C範圍內的參考電壓精度：0.8V±1%

  • 單調上升的輸出預偏置啟動過程

  • 可調軟啟動

  • Power Good指示輸出

  • 欠壓和過壓保護

  • 輸入欠壓鎖定保護

  • 符合RoHS規範，不含鹵素

Application Notes

Datasheet

DSQ2816-00.pdf

Datasheet

DSQ2816-00.pdf

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