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TMI32531S

600kHz 18V 3A Synchronous COT Step-Down Converter with Output Discharge

数据表

TMI32531S_DS_EN_V1.0

产品详细信息

特性

说明

70mΩ/35mΩ Low RDS(ON) Internal FETs
High Efficiency Synchronous Mode
Wide Input Range: 4.5V to 18V
Output Voltage Range: 0.6V to 7V
600kHz Switch Frequency
Support 3.5A Output Current @1.0V
Fast Transient Response with COT Control
Power Save Mode at Light Load
Integrated Internal Compensation
Stable with Low ESR Ceramic Output Capacitor
Over Current Protection with Hiccup Mode
Thermal Shutdown
Built-in Output Discharge Function
Inrush Current Limit with Soft Start Function
Build in OVP, OTP, UVLO Protection
Available in SOT23-6 Package

The TMI32531S is a high efficiency, 600kHz, constant on-time (COT) control mode synchronous Buck converter with a wide input voltage range of 4.5V to 18V, and supports up to 3A continuous output current. TMI32531S 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 with 600kHz switching frequency. It adopts the COT architecture to achieve fast transient response for high voltage step down applications. The TMI32531S requires a minimum number of external components and is available in a 6-pin SOT23-6 ROHS compliant package.