A4405 Datasheet - Allegro Micro Systems

Constant On-Time Buck Regulator

* AEC-Q100 Grade 0 qualified

* Internal buck pre-regulator followed by LDO outputs

* 5.5 to 36 V VIN operating range (50 V maximum); for start/stop, cold crank, and load dump requirements

* 2.2 MHz constant on-time buck regulator

* Valley current sensing achie

The A4405 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply two internal 5 V linear.

A4405

Allegro Micro Systems

2.57 MB

Constant on-time buck regulator.

📁 Related Datasheet

A4401 Automotive Quasi-Resonant Flyback Controller (Allegro Micro Systems)

A4402 Constant On-Time Buck Converter (Allegro Micro Systems)

A4403 Valley Current Mode Control Buck Converter (Allegro)

A4406 Constant On-Time Buck Regulator (Allegro Micro Systems)

A4407 2.2 MHz Constant On-Time Buck Regulator (Allegro Micro Systems)

A4408 Adjustable Frequency Buck or Buck-Boost Pre-Regulator (Allegro Micro Systems)

A4409 Adjustable Frequency Buck or Buck-Boost Pre-Regulator (Allegro Micro Systems)

A44 NPN Silicon Epitaxial Planar Transistor (GME)

A44 NPN Transistor (KOO CHIN)

A44 HIGH VOLTAGE AMPLIFIER (Elite)

TAGS

A4405 Constant On-Time Buck Regulator Allegro Micro Systems

Image Gallery