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TMI32120

18V, 12A High Efficiency Synchronous Step-down Converter

产品详细信息

特性
说明

·Input Voltage Range: 4.5V to 18V 

·Integrated 9.4mΩ and 4.3mΩ MOSFETs 

·0.6V±1% Reference Voltage Accuracy 

·Output Voltage Adjustable from 0.6V to 5.5V 

·Advanced COT Control for Fast Transient  Response 

·Selectable FPWM or PFM Operation Mode 

·Selectable 400kHz, 800kHz and 1.2MHz  Switching Frequency 

·Selectable Two Level Current Limit Value 

·Support Ceramic Output Capacitors 

·Programmable Soft-start Time with a Default  1ms Soft-start Time 

·Thermal Shutdown 

·Output Auto-Discharge in EN Shutdown 

·Available in QFN3.5x3.5-18 Package

The TMI32120 is a high integrated synchronous  step-down converter with up to 12A output current  capability and input voltage range from 4.5V to 18V.  TMI32120 adopts advance COT control mode and  has fast transient response performance that could  reduce external component count. It integrates  very low RDS(ON) MOSFETs and offers high  accurate reference voltage. TMI32120 offers many selectable functions which  supports different application requirements by  setting external components flexibly. PFM  operation mode provides high efficiency in light  load condition and FPWM operation mode has  better output voltage regulation accuracy.  Selectable switching frequency provides wide  application range to trade off efficiency, solution  size and cost. Selectable current limit and  programmable soft-start time help to control power  up inrush current. Robust protections are  integrated in TMI32120 including cycle-by-cycle  current limit, output UVP, input UVLO and OTP  functions. TMI32120 is available in QFN3.5x3.5-18 package.

TMI32120
意大利贵宾会
TMI32120

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