TMI3255TF 600kHz,18V, 5A FPWM Synchronous COT Step-Down Converter
●Features
■40mΩ/20mΩ Low RDS(ON) internal FETs
■Force PWM Operation Mode
■Wide Input Range: 4.5V to 18V
■Feedback Voltage Accuracy 0.76V±1.5%
■600kHz Switch Frequency
■Up to 5A Output Current
■COT control to achieve fast transient responses
■Integrated internal compensation
■Stable with Low ESR Ceramic Output Capacitors
■Over Current Protection with Hiccup Mode
■Thermal Shutdown
■Inrush Current Limit and Soft Start
■Build in Input Over Voltage Protection
■Available in SOT23-6 Package
●Description
■The TMI3255TF is a high efficiency 600kHz,Constant on-Time (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 5A current. TMI3255TF integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with600kHz switching frequency. It adopts the COTarchitecture and force PWM operation in steady state to achieve fast transient responses for high voltage step down applications.
■The TMI3255TF requires a minimum number of readily available standard external components and is available in a 6-pin SOT23-6 RoHScompliant package.
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| 世强硬创平台www.sekorm.com | |
| 世强硬创平台www.sekorm.com |
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