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RT6212C/RT6212D

2A, 18V, 800kHz, ACOT® 降壓型轉換器

RT6212C/RT6212D
New

RT6212C/D 為高效率的DC-DC單片式同步整流轉換器，輸入電壓範圍從4.5V至18V，輸出電流至2A。RT6212C/D的採用的ACOT架構可增進暫態響應的表現並固定操作頻率。逐週期形式的限流機制可在輸出短路時提供電路保護作用，緩啟動機制則可消除啟動瞬間的輸入電流湧浪的問題。此外RT6212C/D提供輸出低電壓保護、輸出過電流與過熱關機保護功能。

應用

  • 機上盒
  • 可攜式電視
  • 路由器
  • DSL 解調器
  • LCD 電視

主要規格

RT6212C RT6212D
Status Active Active
Vin (min) (V) 4.5 4.5
Vin (max) (V) 18 18
Number of Outputs 1 1
Vout (min) (V) 0.8 0.8
Vout (max) (V) 5 5
Output Adj. Method Resistor Resistor
Iout (max) (A) 2 2
Current Limit (typ) (A) 3.3 3.3
Freq (typ) (kHz) 800 800
Ext Sync No No
Ron_HS (typ) (mOhm) 163 163
Ron_LS (typ) (mOhm) 86 86
Iq (typ) (mA) 0.5 0.5
Features ACOT Control;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP;PSM ACOT Control;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP
Package Type TSOT-26(FC) TSOT-26(FC)

關鍵特性

  • 內部整合 163mΩ/86mΩ MOSFETs

  • 4.5V 至 18V 輸入電壓範圍

  • 800kHz 切換頻率

  • ACOT Control

  • 0.8V ±1.5% 回授參考電壓

  • 內部啟動到預偏置輸出

  • 簡便封裝 : TSOT-23-6

  • 輸入欠壓鎖定

  • 支援打嗝模式的過電流保護機制

Datasheet

DS6212CD-01.pdf

Datasheet

DS6212CD-01.pdf

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