AS1003 - Anisem

AS1003 PWM Buck Converter

The AS1003 is a buck topology of switching regulator for wide operating voltage applications field. The AS1003 includes a high current P-MOSFET, high precision reference (0.5V) for comparing output voltage with feedback amplifier, an internal dead-time control and oscillator for controlling the maximum duty cycle and PWM frequency, and has power-on programma.

Features

Precision feedback reference voltage: 0.5V (2%) Wide supply voltage operating range: 3.6 to 20V Low current consumption: 3.0mA Internal fixed oscillator frequency: Typ. 360KHz Programmable Soft-Start function (SS) Short Circuit Shutdown and Auto Re-start function(ARSCP) Built-in P-MOSFET for 3A loading capability Package: SOP8 360KHz, 3A PWM Buck Converter GENERAL DESCRIPTION The AS1003 is a buck topology of switching regulator for wide operating voltage applications field. The AS1003 includes a high current P-MOSFET, high precision reference (0.5V) for comparing output voltage with feedback .