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RT8296A,3A,23V,340kHz同步降压DC-DC

RT8296A】3A,23V,340kHz同步降压DC-DC

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RT8296A 详细介绍

RT8296A General Description :3A,23V,340kHz同步降压DC-DC
RT8296A是一种高效率,单片同步降压式DC / DC转换器从4.5V至23V输入电源,可提供高达3A的输出电流。RT8296A的电流模式架构和外部补偿允许瞬态响应,要通过广泛的负载和输出电容进行了优化。RT8296A逐周期电流限制提供了针对输出短路保护,软启动消除了启动期间的输入浪涌电流。故障条件还包括输出欠压保护和热关机。RT8296A低电流(<3μA)关断模式下提供输出断开,使容易的电源管理电池供电系统。RT8296A是可以在一个SOP - 8(裸露焊盘)封装。
The RT8296A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8296A's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by- cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start up. Fault conditions also include output under voltage protection and thermal shutdown. The low current (<3μA) shutdown mode provides output disconnect, enabling easy power management in battery powered systems. The RT8296A is available in a SOP-8 (Exposed Pad) package.
 

RT8296A Ordering Info
RT8296
Note :
Richtek products are :
► RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
► Suitable for use in SnPb or Pb-free soldering processes.
 

RT8296A Features
RT8296A ±1.5% High Accuracy Feedback Voltage
RT8296A 4.5V to 23V Input Voltage Range
RT8296A 3A Output Current
RT8296A Integrated N-MOSFET Switches
RT8296A Current Mode Control
RT8296A Fixed Frequency Operation : 340kHz
RT8296A Output Adjustable from 0.8V to 20V
RT8296A Up to 95% Efficiency
RT8296A Programmable Soft-Start
RT8296A Stable with Low ESR Ceramic Output Capacitors
RT8296A Cycle-by-Cycle Over Current Protection
RT8296A Input Under Voltage Lockout
RT8296A Output Under Voltage Protection
RT8296A Thermal Shutdown Protection
• RoHS Compliant and Halogen Free

RT8296A Application
• Industrial and Commercial Low Power Systems
• Set Box
• LCD Monitors and TVs
• Green Electronics/Appliances
• Point of Load Regulation of High Performance DSPs
• Wireless AP/Router

RT8296A Pin Configurations
(VIEW)
<a href='http://www.lsdtek.com/RT8296A_ic1260.html' title='RT8296A'>RT8296A</a>

SOP-8 (Exposed Pad)
 

RT8296A Recommended Component Selection

<a href='http://www.lsdtek.com/RT8296A_ic1260.html' title='RT8296A'>RT8296A</a>