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RT8292A,2A 23V 340kHz同步降压转换器

RT8292A】2A 23V 340kHz同步降压转换器

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RT8292A 详细介绍

RT8292A高效率同步直流对直流降压转换器
RT8292A
规格:
· 4.5V ~ 23V 输入电压范围
· 2A 最大电流输出
· 0.8V ~ 20V可调输出电压范围
· 高达95%之转换效率
· 340KHz固定切换频率
· RoHS及Halogen Free认证许可

RT8292A特性:
· 内部整合N-MOSFET开关
· 逐一周期过电流保护
· 可程式缓起动机制
· 输入过低电压保护
· 过温度保护机制
· 3uA极低关机电流消耗
· SOP-8小包装


RT8292A General Description

The RT8292A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8292A'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. The RT8292A also provides under voltage protection and thermal shutdown prptection. The low current (<3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT8292A is available in an SOP-8 (Exposed Pad) package.
 

RT8292A Features
RT8292A ±1.5% High Accuracy Feedback Voltage
RT8292A 4.5V to 23V Input Voltage Range
RT8292A 2A Output Current
RT8292A Integrated N-MOSFET Switches
RT8292A Current Mode Control
RT8292A Fixed Frequency Operation : 340kHz
RT8292A Output Adjustable from 0.8V to 20V
RT8292A Up to 95% Efficiency
RT8292A Programmable Soft-Start
RT8292A Stable with Low-ESR Ceramic Output Capacitors
RT8292A Cycle-by-Cycle Over Current Protection
• Input Under Voltage Lockout
• Output Under Voltage Protection
• Thermal Shutdown Protection
• RoHS Compliant and Halogen Free

RT8292A Application
• Wireless AP/Router
• Set-Top-Box
• Industrial and Commercial Low Power Systems
• LCD Monitors and TVs
• Green Electronics/Appliances
• Point of Load Regulation of High-Performance DSPs

RT8292A Pin Configurations
(VIEW)

SOP-8 (Exposed Pad)