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RT8260A

1.8A, 24V, 1.4MHz 降壓型 DC/DC 轉換器

RT8260A
New

RT8260A為高壓輸入的降壓轉換器，可支援輸入電壓範圍從4.5V至24V，最大輸出電流至1.8A。電流模式操作提供快速的暫態回應與簡易的迴路穩定架構，此外並提供了逐週期形式的限流機制與熱關斷保護功能。RT8260A採用WDFN-8L 2x2的封裝規格。

應用

  • Distributed Power Systems
  • Battery Charger
  • Pre-Regulator for Linear Regulators
  • WLED Drivers

主要規格

RT8260A
Status EOL
Vin (min) (V) 4.5
Vin (max) (V) 24
Number of Outputs 1
Vout (min) (V) 0.8
Vout (max) (V) 15
Output Adj. Method Resistor
Iout (max) (A) 1.8
Current Limit (typ) (A) 2.9
Freq (typ) (kHz) 1400
Ext Sync No
Ron_HS (typ) (mOhm) 300
Ron_LS (typ) (mOhm) 300
Iq (typ) (mA) 0.55
Features Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Force PWM;Internal Compensation;OCP;OTP;Stable with Ceramic Capacitor;UVP
Package Type WDFN2x2-8

關鍵特性

  • 可操作輸入電壓範圍：4.5V至24V

  • 可調輸出電壓範圍：0.8V 至 15V

  • 輸出電流1.8A

  • 0.3Ω內部功率級MOSFET 開關

  • 效率高達 92%

  • 固定切換頻率1.4MHz

  • 可採用低ESR的輸出陶瓷電容達到輸出穩定

  • 熱關斷保護

  • 逐週期的過電流限制保護

  • 符合RoHS規範與無鹵特性

Datasheet

DS8260A-03.pdf

Videos

如何使用簡單工具對電源轉換器的穩定性進行測試評估?

Datasheet

DS8260A-03.pdf

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