· High Efficiency: Up to 95%@12V to 5V
· Wide input voltage: 4.5V ~ 30V
· Up to 3A Output Current
· Low Typical 3μA Shutdown Current
· Internal Fixed 1.4ms Soft-Start
· 50kHz to 1.5MHz Adjustable Frequency
· Stable with Low ESR Ceramic Output
· Peak Current Mode with External Compensation
· PFM in Light Load Condition
· 0.8V Voltage Reference with ±2% Accuracy
· Thermal Shutdown
· Cycle-by-cycle Current Limit Protection
· Over Current Protection with Hiccup Mode
· ESOP8 Package
TMI3343B is a wide input voltage of 4.5V to 30V, high efficiency current mode, synchronous step-down DC/DC converter capable of delivering 3A current with adjustable switching frequency from 50kHz to 1.5MHz. TMI3343B integrates main switch and synchronous switch with low RDS(on) to minimize the conduction loss.
The device integrates 120mΩ High-Side and 80mΩ Low-side Power MOS, and has advanced features include UVLO, Thermal Shutdown, Soft Start, input OVP.
在线订购 
电源管理芯片
电机驱动芯片
接口控制芯片
音频功放
消费电子