Description

The S-8533A50AFT-TB-G is a CMOS synchronous rectification step-down switching regulator designed for high efficiency and large output current. It features a high oscillation frequency of 1.2 MHz, allowing for the use of small external parts. The built-in synchronous rectification circuit ensures high efficiency compared to conventional regulators. This model supports high-density mounting with its small package options, such as SOT-23-5 and SNT-8A.

Specifications and features

- Oscillation frequency: 1.2 MHz - Input voltage range: 2.0V to 5.5V - Output voltage range: Settable by external resistor - Output current: 600mA - Reference voltage: 0.6V ± 2.0% - Efficiency: 92% - Soft-start function: 1ms typ. - Shutdown function: Shutdown current consumption: 1.0μA max. - Built-in current limit circuit - Pch power MOS FET on-resistance: 0.4Ω typ. - Nch power MOS FET on-resistance: 0.3Ω typ. - Constant continuous mode operation (no light load mode) - Lead-free, Sn 100%, halogen-free

Application Scenarios

This model is suitable for various mobile devices such as mobile phones, Bluetooth devices, wireless devices, digital audio players, digital still cameras, portable DVD players, and portable CD players.

Comparison

- High oscillation frequency for improved efficiency - Supports high-density mounting with small package options None mentioned in the provided information.