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RT2810A/RT2810B

10A, 18V, 500kHz ACOT® 同步降压型转换器

RT2810A/RT2810B
New

RT2810A/B 是一款ACOT(Advanced Constant On-Time)操作模式的同步降压型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0.7V至8V，可藉由外部电容调整设计缓启动的时间。

应用

  • 工商业低功率系统
  • 计算机外设设备
  • 液晶显示器和电视
  • 节能电器设备
  • 高性能 DSP、FPGA 和 ASIC 供电

主要规格

RT2810A RT2810B
Status Active Active
Vin (min) (V) 4.5 4.5
Vin (max) (V) 18 18
Number of Outputs 1 1
Vout (min) (V) 0.7 0.7
Vout (max) (V) 8 8
Output Adj. Method Resistor Resistor
Iout (max) (A) 10 10
Current Limit (typ) (A) 13.3 13.3
Freq (min) (kHz) 300 300
Freq (max) (kHz) 700 700
Ext Sync No No
Ron_HS (typ) (mOhm) 12 12
Ron_LS (typ) (mOhm) 5.4 5.4
Iq (typ) (mA) 0.8 0.8
Features ACOT Control;Adjustable Frequency;Adjustable Soft-Start;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;OTP;OVP;PSM;Power Good;Stable with Ceramic Capacitor;UVP ACOT Control;Adjustable Frequency;Adjustable Soft-Start;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;OTP;OVP;PSM;Power Good;Stable with Ceramic Capacitor;UVP
Package Type UQFN3x3-16J(FC) UQFN3x3-16J(FC)

关键特性

  • 4.5V 至 18V 输入电压范围

  • 最大10A 输出电流

  • 12mΩ的内建高端N-MOSFET及5.4mΩ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%

  • 可调节开关频率300kHz至700kHz

  • 可调输出电压范围0.7V 至 8V

  • 可调整设计的缓启动机制

  • 预偏置启动

  • 可调节电流限制6A至16A

  • 逐周期过流保护

  • 电源良好信号指示

  • 输入欠压闭锁

  • 过压时可选择断续/栓锁模式

Application Notes

Datasheet

DS2810AB-07.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

DS2810AB-07.pdf

Evaluation Boards

EVB_RT2810BHGQUF
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