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RT7266

3A, 18V, 700kHz ACOT® 同步降压型 DC/DC 转换器

RT7266
New

RT7266为ACOT™模式控制的同步降压型 DC/DC 转换器，先进固定导通时间(ACOT™)控制架构仅须外加少数的组件即可达到快速的瞬时响应特性，内建的低阻抗MOSFET可在输入电压范围4.5V至18V内提供高效率的操作状态，专有的 ACOT™ 模式控制电路可支持所有的的陶瓷电容设计，输出电压可调范围0.765V至8V，可藉由外部电容调整设计缓启动的时间。

应用

  • Industrial and Commercial Low Power Systems
  • Computer Peripherals
  • LCD Monitors and TVs
  • Green Electronics/Appliances
  • Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs

主要规格

RT7266
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 18
Number of Outputs 1
Vout (min) (V) 0.765
Vout (max) (V) 8
Output Adj. Method Resistor
Iout (max) (A) 3
Current Limit (typ) (A) 4.1
Freq (typ) (kHz) 700
Ext Sync No
Ron_HS (typ) (mOhm) 90
Ron_LS (typ) (mOhm) 60
Iq (typ) (mA) 0.7
Features ACOT Control;Adjustable Soft-Start;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;OCP;OTP;PSM;Stable with Ceramic Capacitor;UVP
Package Type PSOP-8

关键特性

  • 具ACOT™ 操作模式提供快速的瞬时响应

  • 4.5V 至 18V 输入电压范围

  • 最大3A 输出电流

  • 60mΩ的内建低端N-MOSFET

  • 进阶的固定导通时间控制

  • 快速的瞬时响应

  • 允许陶瓷电容作为输出电容

  • 效率高达95%

  • 700kHz切换频率

  • 可调输出电压范围0.765V 至 8V

  • 可调整设计的缓启动机制

  • 逐周期电流限制

  • 输入欠压闭锁

  • 过温关机保护

  • 符合RoHS规范与无卤特性

Application Notes

Datasheet

DS7266-03.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

DS7266-03.pdf

RT7266ZSP
Package Type:PSOP-8
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