AGREE

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RT6226A/RT6226B/RT6226C

集成3.3V/5V線性穩壓器的23V, 6A同步Buck轉換器

RT6226A/RT6226B/RT6226C
New

RT6226A/B/C是採用改進型固定導通時間 (ACOT®) 控制架構的同步Buck轉換器，具有非常快速的瞬態回應能力。RT6226A/B的輸入電壓範圍是4.5V至23V，RT6226C的輸入電壓範圍是5.1V至23V，RT6226A的輸出電壓可在0.6V至5.1V間進行調節。

應用

  • 工商業低功率系統
  • 電腦週邊
  • 液晶顯示器和電視機
  • 節能電器
  • 高性能DSP、FPGA、ASIC負載點調節器

主要規格

RT6226A RT6226B RT6226C
Status Active Active Active
Vin (min) (V) 4.5 4.5 5.1
Vin (max) (V) 23 23 23
Number of Outputs 1 1 1
Vout (min) (V) 0.6 3.267 5.049
Vout (max) (V) 5.1 3.333 5.151
Output Adj. Method Resistor Fixed Fixed
Iout (max) (A) 6 6 6
Current Limit (typ) (A) 7.2 7.2 8.4
Freq (typ) (kHz) 500 500 750
Ext Sync No No No
Ron_HS (typ) (mOhm) 30 30 30
Ron_LS (typ) (mOhm) 15 15 15
Iq (typ) (mA) 0.1 0.1 0.1
Features ACOT Control;Adjustable Current Limit;Built-in Bootstrap Switch;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;OCP;OTP;OVP;PSM;Power Good;Stable with Ceramic Capacitor;UVP;Ultrasonic Mode Control ACOT Control;Adjustable Current Limit;Built-in Bootstrap Switch;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;Internal Compensation;OCP;OTP;OVP;PSM;Power Good;Stable with Ceramic Capacitor;UVP;Ultrasonic Mode Control ACOT Control;Built-in Bootstrap Switch;Cycle-by-Cycle Current Limit;Diode Emulation Mode;Enable Input;Fast Transient Response;Internal Compensation;OCP;OTP;OVP;PSM;Power Good;Stable with Ceramic Capacitor;UVP;Ultrasonic Mode Control
Package Type UQFN3x3-12H(FC) UQFN3x3-12H(FC) UQFN3x3-12H(FC)

關鍵特性

  • 輸入電壓範圍：4.5V~23V(RT6226A/B)，5.1V~23V(RT6226C)

  • 負載能力：6A

  • 採用ACOT®控制架構，瞬態回應速度快，容許使用陶瓷輸出電容

  • 固定工作頻率：500kHz(RT6226A/B)，750kHz(RT6226C)

  • 集成30mΩ/15mΩ MOSFET功率開關

  • RT6226A輸出電壓可調範圍：0.6V~5.1V

  • RT6226C集成負載能力100mA的3.3V線性穩壓器

  • 預偏置軟起動

  • 逐週期電流限制保護

  • 輸入欠壓鎖定保護

  • 過熱關機保護

  • 輸出過壓/欠壓保護

  • 支援超聲工作模式

  • 300kHz時鐘信號輸出供外部電荷泵電路使用

Application Notes

Datasheet

DS6226ABC-03.pdf

Datasheet

DS6226ABC-03.pdf

RT6226AGQUF
Package Type:UQFN3x3-12H(FC)
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