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RT8260A

1.8A, 24V, 1.4MHz 降压型 DC/DC 转换器

RT8260A
New

RT8260A为高压输入的降压转换器，可支持输入电压范围从4.5V至24V，最大输出电流至1.8A。电流模式操作提供快速的瞬时响应与简易的回路稳定架构，此外并提供了逐周期形式的限流机制与热关断保护功能。RT8260A采用WDFN-8L 2x2的封装规格。

应用

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

主要规格

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

关键特性

  • 可操作输入电压范围：4.5V至24V

  • 可调输出电压范围：0.8V 至 15V

  • 输出电流1.8A

  • 0.3Ω内部功率级MOSFET 开关

  • 效率高达 92%

  • 恒定切换频率1.4MHz

  • 可采用低ESR的输出陶瓷电容达到输出稳定

  • 热关断保护

  • 逐周期的过电流限制保护

  • 符合RoHS规范与无卤特性

Datasheet

DS8260A-03.pdf

Videos

怎样使用简单工具对电源转换器的稳定性进行测试评估?

Datasheet

DS8260A-03.pdf

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