天高微 MT3410 丝印AS150同步降压.pdf

MT3410 1.5MHz, 1.5A Synchronous Step-Down Converter FEATURES GENERAL DESCRIPTION • High Efficiency: Up to 96% The MT3410 are high-efficiency, high frequency • 1.5MHz Constant Frequency Operation synchronous step-down DC-DC regulator ICs capable • 1500mA Output Current of delivering up to 1.5A output currents. The MT3410 • No Schottky Diode Required can operate over a wide input voltage range from 2.3V • 2.3V to 6V Input Voltage Range to 6V and integrates main switch and synchronous • Adjustable Output Voltage Range switch with very low RDS(ON) to minimize the Options from 0.6V to Vin conduction loss. • 100% Duty Cycle Low Dropout Operation It is ideal for powering portable equipment that runs • Low Quiescent Current: 35µA from a single cell Lithium-Ion (Li+) battery. The output • Slope Compensated Current Mode Control for voltage can be regulated as low as 0.6V. The MT3410 Excellent Line and Load Transient Response can also run at 100% duty cycle for low dropout • Short Circuit Protection operation, extending battery life in portable system. • Thermal Fault Protection This device offers two operation modes, PWM mode • Inrush Current Limit and Soft Start and PFM Mode switching control, which allows a high • 1µA Shutdown Current effi