Advanced Monolithic Systems AMS4155
The AMS4155 is a 2A 420 kHz step-down converter in a thermally enhanced exposed paddle SO-8 package. The converter has a 1.22V reference for low output voltage settings.GENERAL DESCRIPTION
External sync and compensation make the device very flexible for a wide range of applications and external components. Current mode control provides low ESR ceramic output capacitor stability with cycle by cycle current limit and fast transient response. Over-temperature shut down with hysteresis protects the device from excessive die temperatures. Integrated fault protection protects the device in the case of an overload or over-temperature condition. AMS4155 2A 24V Step-Down ConverterFEATURES
● External Synchronization● Step-Down Converter
● External Compensation
● Up to 95% Efficiency
● Low ESR Ceramic Output Capacitor Stable
● Under-Voltage Lockout
● 420 kHz Switching Frequency
● Cycle by Cycle with Hiccup Over Current Protection
● Over-Temperature Shutdown
● Up to 2A Output Current
● 4.75V to 24V operating range
● Thermal Shutdown
● Operating Temperature -40°C to 125°C Typical Application
APPLICATIONS
● Audio Power Amplifiers● Portable (Notebook) Computers
●...