拓尔微产品规格书TMI31601F.pdf

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TMI31601F 1.5MHz, 1.2A FPWM Synchronous Step-Down Converter with Small DFN1.6x1.6-6 Package FEATURES GENERAL DESCRIPTION ⚫ 2.5V to 5.5V Input Voltage Range The TMI31601F is a constant switching ⚫ High Efficiency: Up to 96%(@3.3V) frequency 1.5MHz, peak current mode step- ⚫ 1.5MHz Switching Frequency Operation down converter with force PWM operation ⚫ Force PWM Operation mode. The devices integrate a main PMOSFET ⚫ Up to 1.2A Output Current with VIN=5V switch and a synchronous rectifier for high ⚫ No Schottky Diode Required efficiency without an external Schottky diode. It ⚫ 0.6V Feedback Voltage is ideal for powering portable equipment that ⚫ 100% Duty Cycle in Dropout runs from a single cell Lithium-Ion (Li+) battery. ⚫ Slope Compensated Current Mode Control for This device offers two operation modes, Force Excellent Line and Load Transient Response PWM control Mode, which allows a high ⚫ Short Circuit Protection efficiency over the wider range of the load. ⚫ Thermal Fault Protection TMI31601F adopts small size DFN1.6x1.6-6 ⚫ Inrush Current Limit and Soft Start package. ⚫ Input over voltage protection (OVP) ⚫ <1µA Shutdown Current APPLICATIONS ⚫ DFN1.6x1.6-6 Package ⚫ Cellular

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