EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
IR3843AMTR1PBF Real Image
Same model may have multiple batches, images only for reference.

IR3843AMTR1PBF

Part No IR3843AMTR1PBF
Manufacturer Infineon Technologies
Catalog PMIC - Voltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJ 3A SYNC 15QFN / Conv DC-DC 1.5V to 21V Synchronous Step Down Single-Out 0.7V to 18.9V 3A 14-Pin Power QFN EP T/R
Datasheet
IR3843AMTR1PBF Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits (ICs)
Manufacturer Infineon Technologies
Series SupIRBuck
Packaging Reel package
Part Status Obsolete(EOL)
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Input Voltage MIN 1.5V
Voltage Input MAX 21V
Output Voltage 0.7V
Output Voltage MAX 18.9V
Output Current 3A
Frequency - Switching 225kHz ~ 1.32MHz
Synchronous Rectifier Yes
Operating Temperature Range -40°C ~ 125°C (TJ)
Mounting SMD
Package 15-PowerVQFN
Manufacturer Package PQFN (5x6)
Win Source Part Number 776989-IR3843AMTR1PBF
Popularity Medium
Supply and Demand Status Limited
Family Name IR3843AM
Introduction Date January 07, 2010
ECCN EAR99
Country of Origin Thailand
Halogen Free Compliant
Estimated EOL Date Obsolete / End of life
Ultra Librarian 3D Model Ultra Librarian IR3843AMTR1PBF CAD Model

Description

The Infineon Technologies SupIRBuck series integrated circuit (IC) with a 15-PowerVQFN package is a step-down buck IC that can operate in a temperature range of -40°C to 125°C (TJ).

  • Frequency Switching: 225kHz to 1.32MHz
  • Rectifier: Synchronous
  • Output Configuration: Positive
  • Maximum Output Voltage: 18.9V
  • Maximum Output Current: 3A
  • Input Voltage: 1.5V to 21V
  • Supply and Demand: Limited

You May Also Be Interested in

MAX25240AFFF/VY+ Analog Devices Inc./Maxim Integrated
MAX25240AFFF/VY+
Analog Devices Inc.
IC REG BCK-BST ADJ 6A 22QFN
Lowest to $16.0875
MAX20077ATCE/VY+TAnalog Devices Inc./Maxim Integrated
MAX20077ATCE/VY+T
Analog Devices Inc.
IC REG BUCK ADJ 2.5A 12TDFN
Need more? Email Us
MAX25232ATCA/V+TAnalog Devices Inc./Maxim Integrated
MAX25232ATCA/V+T
Analog Devices Inc.
IC REG BUCK 12TDFN
Lowest to $7.3063
Picture of MAX20474ATDA/V+T
MAX20474ATDA/V+T
Analog Devices Inc.
IC REG
Need more? Email Us
MAX20006AFOB/VY+T Analog Devices Inc./Maxim Integrated
MAX20006AFOB/VY+T
Analog Devices Inc.
IC REG BUCK 3.3V 6A 17FC2QFN
Lowest to $6.0000
MAX17760ATC+T Analog Devices Inc./Maxim Integrated
MAX17760ATC+T
Analog Devices Inc.
IC REG BUCK ADJ 300MA 12TDFN
Lowest to $6.1109
MAX77839BEFQ+T Analog Devices Inc./Maxim Integrated
MAX77839BEFQ+T
Analog Devices Inc.
IC REG BUCK-BOOST
Need more? Email Us
TS30042-M033QFNR Semtech Corporation
TS30042-M033QFNR
Semtech Corporation
IC REG BUCK 3.3V 2A 16QFN
Lowest to $2.9105
MAX20038ATIA/V+Analog Devices Inc./Maxim Integrated
MAX20038ATIA/V+
Analog Devices Inc.
IC REG BUCK 5V 3.5A 28TQFN
Need more? Email Us

Top Sellers

SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752

Pricing & Ordering

Quantity Unit Price Ext. Price
30+ $1.9589 $58.7670
75+ $1.6078 $120.5850
115+ $1.5569 $179.0435
155+ $1.5073 $233.6315
200+ $1.4565 $291.3000
270+ $1.3063 $352.7010
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 8,500 pieces
MOQ: 30 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess