It appears you have JavaScript disabled within your browser. Some functions on this page will not work unless you log in.

See an Error?

A81805KESJSR

Name: Allegro MicroSystems A81805KESJSR
Brand: Allegro MicroSystems
SKU: 250-A81805KESJSR
Price: 2.45 EUR
Availability: InStock

Images are for reference only
See Product Specifications

Mouser No:

250-A81805KESJSR

Mfr. No:

A81805KESJSR

Mfr.:

Allegro MicroSystems

Description:

Switching Voltage Regulators 40V, 2.2A SYNC BUCK DC-DC REGULATOR

Datasheet:

A81805KESJSR Datasheet (PDF)

ECAD Model:

Download the free Library Loader to convert this file for your ECAD Tool. Learn more about the ECAD Model.

More Information

Learn more about Allegro MicroSystems A81805KESJSR

In Stock: 5.999

Stock:: 5.999 Can Dispatch Immediately

An unexpected error occurred. Please try again later.
Factory Lead Time:: 24 Weeks Estimated factory production time for quantities greater than shown.

Quantities greater than 5999 will be subject to minimum order requirements.

Enter Quantity:

Minimum: 1 Multiples: 1

Unit Price:

-,-- €

Ext. Price:

-,-- €

Est. Tariff:

Pricing (EUR)

Qty.	Unit Price	Ext. Price
	2,45 €	2,45 €
	1,83 €	18,30 €
	1,68 €	42,00 €
	1,51 €	151,00 €
	1,43 €	357,50 €
	1,39 €	695,00 €
	1,32 €	1.320,00 €
	1,29 €	3.225,00 €
	1,26 €	7.560,00 €

.hidden-for-nojs { display: none; } .pull-right-nojs { justify-content: flex-end; }

Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Allegro MicroSystems
Product Category:	Switching Voltage Regulators
RoHS:
Mounting Style:	SMD/SMT
Package/Case:	QFN-20
Topology:	Buck
Output Voltage:	3.3 V
Output Current:	2.5 A
Number of Outputs:	1 Output
Input Voltage - Min:	3.5 V
Input Voltage - Max:	36 V
Quiescent Current:	6 uA
Switching Frequency:	400 kHz to 2.5 MHz
Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 150 C
Series:	A81805
Brand:	Allegro MicroSystems
Input Voltage:	3.5 V to 36 V
Moisture Sensitive:	Yes
Operating Supply Current:	5 mA
Product Type:	Switching Voltage Regulators
Shutdown:	Shutdown
Factory Pack Quantity:	6000
Subcategory:	PMIC - Power Management ICs
Supply Voltage - Min:	3.5 V
Type:	Synchronous

Products found:

To show similar products, select at least one checkbox

Select at least one checkbox above to show similar products in this category.

Attributes selected: 0

Filter Document:

Datasheet

A81805KESJSR Datasheet (PDF)

EOL

Product Discontinuance Notification 2024-02-22 (PDF)

This functionality requires JavaScript to be enabled.

Compliance Codes

CAHTS:: 8542390000
USHTS:: 8542390090
MXHTS:: 8542399999
ECCN:: EAR99

Origin Classifications

Country of Origin:: Thailand
Assembly Country of Origin:: Not available
Country of Diffusion:: Not available

The country is subject to change at the time of shipment.

Single Output Regulators

Allegro MicroSystems Single Output Regulators are robust, efficient, fault-protecting regulator solutions. The energy-saving regulators minimize power loss and feature high-temperature operation, including a junction temperature of 150°C.

Clean Energy

Allegro MicroSystems Clean Energy is a solution for advancing technology for a safer, more sustainable future. Allegro MicroSystems powerful solutions enhance reliability, safety and efficiency in green energy and infrastructure, from solar systems to EV charging. Embrace the future with advancements in electrification and connectivity.

A81805/A81805-1 Synchronous Buck Regulators

Allegro MicroSystems A81805/A81805-1 Synchronous Buck Regulators are 40V synchronous buck regulators with low EMI and 6µA quiescent current that allows high efficiency over a full load of up to 2.5A. The A81805/A81805-1 regulators support a unique architecture that reduces the amount of EMI generated by the switching components to minimize the number of external components.