AGREE

This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Cookie Statement.
If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Find out more here.

RT6258BH/RT6258CH

集成3.3V/5V线性稳压器的23V, 8A同步Buck转换器

RT6258BH/RT6258CH
New

RT6258BH/CH 是采用改进型固定导通时间（ACOT®）控制架构的同步 Buck 转换器，具有极其快速的瞬态响应能力。RT6258BH 的工作电压范围为 4.5V ~ 23V，RT6258CH 的工作电压范围为 5.1V ~ 23V。

应用

  • 工商业用低功率系统
  • 计算机外设
  • 液晶显示器和电视机
  • 节能电器
  • 高性能DSP、FPGA和ASIC的负载点调节器

主要规格

RT6258BH RT6258CH
Status Active Active
Vin (min) (V) 4.5 5.1
Vin (max) (V) 23 23
Number of Outputs 1 1
Vout (min) (V) 3.267 5.049
Vout (max) (V) 3.333 5.151
Output Adj. Method Fixed Fixed
Iout (max) (A) 8 8
Current Limit (typ) (A) 10.4 10.4
Freq (typ) (kHz) 500 750
Ext Sync No No
Ron_HS (typ) (mOhm) 20 20
Ron_LS (typ) (mOhm) 10 10
Iq (typ) (mA) 0.1 0.1
Features ACOT Control;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;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
Package Type UQFN3x3-12H(FC) UQFN3x3-12H(FC)

关键特性

  • 工作电压范围：4.5V ~ 23V (RT6258BH)；5.1V ~ 23V (RT6258CH)

  • 负载能力：8A

  • ACOT® 控制架构，瞬态响应速度快

  • 容许使用 MLCC 输出电容

  • 固定工作频率：750kHz (RT6258CH)；500kHz (RT6258BH)

  • 集成 20mΩ/10mΩ MOSFET 上/下桥功率开关

  • 集成负载能力 100mA 的 3.3V (RT6258BH) / 5V (RT6258CH) 线性稳压器

  • 输出预偏置软启动设计

  • 逐周期过流限制保护

  • 输入欠压锁定保护

  • 过热关机保护

  • 输出过压/欠压保护

  • 支持超声工作模式

Application Notes

Datasheet

DS6258BH_CH-00.pdf

Datasheet

DS6258BH_CH-00.pdf

RT6258BHGQUF
Package Type:UQFN3x3-12H(FC)
样品 购买
与销售人员联系以获取更多信息