IR3843AMTR1PBF

Part No :: IR3843AMTR1PBF

Manufacturer: IR (Infineon Technologies)

VIGOR # :: 9874267

Description: IC REG BUCK ADJUSTABLE 3A PQFN

Catalog: PMIC - Voltage Regulators - DC DC Switching Regulators

DataSheet: IR3843AMTR1PBF PDF

Country of origin: -

Date code: -

IR3843AMTR1PBF Specifications

Type	Description
Series:	SupIRBuck®
Package:	Tape & Reel (TR)Cut Tape (CT)
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	1.5V
Voltage - Input (Max):	21V
Voltage - Output (Min/Fixed):	0.7V
Voltage - Output (Max):	18.9V
Current - Output:	3A
Frequency - Switching:	225kHz ~ 1.32MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	15-PowerVQFN
Supplier Device Package:	PQFN (5x6)

Alternative Products

Part Number	Manufacturer & Description	Compare
IR3843AMTRPBF Match 100%	VIGOR SWITCHING REG, VOLTAGE-MODE, 3A,	IR3843AMTR1PBF vs IR3843AMTRPBF
IR3842MTRPBF Match 59%	VIGOR SWITCHING REG, VOLTAGE-MODE, 4A,	IR3843AMTR1PBF vs IR3842MTRPBF
IR3842WMTR1PBF Match 59%	IR (Infineon Technologies) IC REG BUCK ADJUSTABLE 4A PQFN	IR3843AMTR1PBF vs IR3842WMTR1PBF
IR3802MTR1PBF Match 59%	IR (Infineon Technologies) IC REG BUCK ADJUSTABLE 4A PQFN	IR3843AMTR1PBF vs IR3802MTR1PBF
IR3812MTR1PBF Match 59%	IR (Infineon Technologies) IC REG BUCK ADJUSTABLE 4A PQFN	IR3843AMTR1PBF vs IR3812MTR1PBF
IR3802MTRPBF Match 59%	IR (Infineon Technologies) IC REG BUCK ADJUSTABLE 4A PQFN	IR3843AMTR1PBF vs IR3802MTRPBF

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 156

Shipped from

HK warehouse

Expected Shipping Date

Jul 28 - Aug 01 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price

Current price of IR3843AMTR1PBF is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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