TMI3171

6.5V, 1.5MHz, 0.8A Synchronous Step-Down Converter

数据表

TMI3171_DS_EN_V1.1

产品详细信息

特性

说明

· 2.5V to 6.5V Input Voltage Range

· 1.5MHz Switching Frequency

· PFM in Light Load

· 0.8A Output Current

· No Schottky Diode Required

· Output Voltage as Low as 0.6V

· 100% Duty Cycle in Dropout

· Slope Compensated Current Mode Control for Excellent Line and Load Transient Response

· Short Circuit Protection

· Thermal Fault Protection

· Inrush Current Limit and Soft Start

· Input over voltage protection (OVP)

· <1µA Shutdown Current

· SOT23-5 Package

The TMI3171 is a constant frequency 1.5MHz, peak current mode step-down converter with 2.5V to 6.5V wide input voltage range. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The output voltage can be regulated as low as 0.6V. The TMI3171 can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. This device adopts peak current mode control and has fast load transient response.