A4406 datasheet(25/27 Pages) ALLEGRO

No de pièce	A4406

Description	The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3 V linear DMOS driver.

Download	27 Pages

Scroll/Zoom	100%

Fabricant	ALLEGRO [Allegro MicroSystems]

Site Internet	http://www.allegromicro.com

Logo

25 / 27 page

Constant On-Time Buck Regulator

With One External and One Internal Linear Regulator

A4406

25

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

VV33 Transient Response: 125 mA to 250 mA; shows VV33 (ch1,

50 mV/div.), IV33 (ch2, 100 mA/div.), t = 50 μs/div.

t

VV33

IV33

C1

C2

VREG Short Circuit Operation, VIN = 12 V; shows VVREG (ch1, 2 V/div.),

IL (ch2, 500 mA/div.), t = 5 μs/div.

C1

C2

t

IL

VVREG

VV5P Transient Response: 125 mA to 250 mA; shows VV5P (ch1,

50 mV/div.), IV5P (ch2, 100 mA/div.), t = 50 μs/div.

t

VV5P

IV5P

C1

C2

VREG Normal and Overloaded Operation, VIN = 12 V; shows IL (ch1,

250 mA/div.), VVREG (ch2, 2 V/div.)

t

IL

VVREG

Before Overcurrent

After Overcurrent

C1

C2

C1

C2

Numéro de pièce similaire - A4406

Fabricant	No de pièce	Fiches technique	Description
Littelfuse	A440	204Kb / 2P	GAS DISCHARGE TUBE - 8x10mm
Allegro MicroSystems	A4401	417Kb / 17P	This device provides all the necessary control functions to provide the power rails for driving a vacuum fluorescent display (VFD) using minimal external components.
	A4401KL-T	416Kb / 17P	Automotive Quasi-Resonant Flyback Control IC
	A4402	378Kb / 15P	Constant On-Time Buck Converter with Integrated Linear Regulator
	A4402	378Kb / 15P	Constant On-Time Buck Converter with Integrated Linear Regulator

More results

Description similaire - A4406

Fabricant	No de pièce	Fiches technique	Description
Allegro MicroSystems	A4405	1Mb / 27P	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 regulators and a 3.3 V linear DMOS driver.
Allegro MicroSystems	A4407	1Mb / 29P	The A4407 is an automotive power management IC that uses a 2.2 MHz constant on-time (COT) buck pre-regulator to supply a 5 V linear regulator, a 5 V tracking/protected linear regulator,
ON Semiconductor	CS5203-3	172Kb / 6P	3.0 A, 3.3 V Fixed Linear Regulator September, 2006 ??Rev. 7
	CS52015-3	217Kb / 8P	1.5 A, 3.3 V Fixed Linear Regulator September, 2006 ??Rev. 8
	CS5201-3	191Kb / 8P	1.0 A, 3.3 V Fixed Linear Regulator September, 2006 ??Rev. 8
	NCP1086	102Kb / 14P	1.5 A Adjustable and 3.3 V Fixed Output Linear Regulator July, 2004 ??Rev. 4
	NCP1086	121Kb / 14P	1.5 A Adjustable and 3.3 V Fixed Output Linear Regulator May, 2005 ??Rev. 6
Diodes Incorporated	AP7175	435Kb / 14P	The AP7175 is a 3.0A ultra low-dropout (LDO) linear regulator that features an enable input and a power-good output.
Vishay Siliconix	SIP12107	715Kb / 19P	5 V, 3 A Current-Mode Constant On-Time Synchronous Buck Regulator Rev. B, 20-Feb-12
Vishay Siliconix	SIP12107	911Kb / 20P	5 V, 3 A Current-Mode Constant On-Time Synchronous Buck Regulator 01-Jan-2022

More results

A4406 Fiches technique(PDF) 25 Page - Allegro MicroSystems

A4406 Fiches technique(HTML) 25 Page - Allegro MicroSystems

Numéro de pièce similaire - A4406

Description similaire - A4406

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Fiches technique Télécharger

Lien URL