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A81805KESJSR

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Mouser No:

250-A81805KESJSR

Mfr. No:

A81805KESJSR

Mfr.:

Allegro MicroSystems

Description:

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

Datasheet:

A81805KESJSR Datasheet (PDF)

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Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Allegro MicroSystems
Product Category:	Voltage Regulators - Switching Regulators
Delivery Restriction:	Mouser does not presently sell this product in your region.
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
Country of Assembly:	Not Available
Country of Diffusion:	Not Available
Country of Origin:	TH
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

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Datasheet

A81805KESJSR Datasheet (PDF)

EOL

Product Discontinuance Notification 2024-02-22 (PDF)

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

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.