A8586 - 3.5 Amp Buck Regulator

Allegro MicroSystems

Datasheet Details

The A8586 is a high frequency step-down switching regulator with an integrated high-side power MOSFET.

It provides up 3.5 A output current.

The A8586 can achieve fast transient response using current-mode control and simple external compensation.

A8586, A8586-1, A8586-2 Wide Input Voltage, Adjustable Frequency, 3.

Automotive AEC-Q100 qualified.
Supply voltage from 3.8 to 36 V.
Output voltage adjustable from 0.8 to 30 V.
Maximized duty cycle for low dropout operation.
Low 30 μA operational quiescent current.
150 mΩ integrated MOSFET switch.
Programmable switching frequency up to 4 MHz.
Improved EMC with frequency dithering (A8586 and A8586-2) and controlled switch node rise and fall times.
Ceramic capacitor stable.
I.

Part Number	Description
A8586-1	3.5 Amp Buck Regulator
A8586-2	3.5 Amp Buck Regulator
A8580	Asynchronous Buck Regulator
A8582	2.0A Asynchronous Buck Regulator
A8587	2 Amp Non-Synchronous Buck Regulator
A8502	High Efficiency Fault Tolerant LED Driver
A8503	WLED/RGB Driver
A8504	WLED/RGB Backlight Driver
A8508	8-Channel Fault Tolerant LED Driver
A8509	High Efficiency 4-Channel Fault Tolerant LED Driver