English
| Part Number: | IR3843AMTRPBF |
|---|---|
| Manufacturer/Brand: | Cypress Semiconductor (Infineon Technologies) |
| Part of Description: | IC REG BUCK ADJUSTABLE 3A PQFN |
| Datasheets: |
|
| RoHs Status: | Lead free / RoHs compliant |
| Payment: | PayPal / Credit Card / T/T |
| Shipment Way: | DHL / Fedex / TNT / UPS / EMS |
| Share: |
Ship From: Hong Kong
| Quantity | Unit Price |
|---|---|
| 1+ | $3.5561 |
| 200+ | $1.3761 |
| 500+ | $1.3275 |
| 1000+ | $1.3046 |
Online RFQ submissions: Fast responses, Better prices!
| Product Attribute | Attribute Value |
|---|---|
| Voltage - Output (Min/Fixed) | 0.7V |
| Voltage - Output (Max) | 18.9V |
| Voltage - Input (Min) | 1.5V |
| Voltage - Input (Max) | 21V |
| Topology | Buck |
| Synchronous Rectifier | Yes |
| Supplier Device Package | PQFN (5x6) |
| Series | SupIRBuck® |
| Package / Case | 15-PowerVQFN |
| Package | Tape & Reel (TR) |
| Product Attribute | Attribute Value |
|---|---|
| Output Type | Adjustable |
| Output Configuration | Positive |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Number of Outputs | 1 |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Frequency - Switching | 225kHz ~ 1.32MHz |
| Current - Output | 3A |
| Base Product Number | IR3843 |




IR3843AMTRPBF
Y-IC is a quality distributor of Infineon Technologies products and will provide customers with the best products and services.
The IR3843AMTRPBF is a high-performance, synchronous step-down voltage regulator with an integrated power stage. It offers a wide input voltage range, adjustable output voltage, and high efficiency, making it suitable for a variety of power supply applications.
Wide input voltage range: 1.5V to 21V
Adjustable output voltage: 0.7V to 18.9V
High output current: up to 3A
Switching frequency: 225kHz to 1.32MHz
Synchronous rectification for high efficiency
Thermal shutdown, overcurrent, and overvoltage protection
Compact size and high power density
High efficiency across load range
Flexible design with wide input and output voltage ranges
Robust protection features for reliable operation
The IR3843AMTRPBF is packaged in a 15-pin PowerVQFN (5x6) surface mount package.
The IR3843AMTRPBF is an obsolete product. Customers are advised to contact our sales team via the Y-IC website for information on equivalent or alternative models.
Portable electronics
Industrial equipment
Telecommunications equipment
Automotive applications
The most authoritative datasheet for the IR3843AMTRPBF is available on the Y-IC website. Customers are recommended to download the datasheet for detailed technical specifications.
Customers are recommended to obtain quotes for the IR3843AMTRPBF on the Y-IC website. Get a quote now to take advantage of our limited-time offer.
IC REG BUCK ADJUSTABLE 4A PQFN
IR3842WMTRPBF. IR
IR3843AMTR1PBF. IR
IR3842WMTRPBF-W IR
IFX POL PG-IQFN-34
IR3843WM IR
IC REG BUCK ADJUSTABLE 3A PQFN
IC REG BUCK ADJUSTABLE 4A 15PQFN
IR3843WMTRPBF. IR
IR QFN
IR3842WM IR
IR QFN
IR3843WMTR1PBF. IR
IR QFN
IC REG BUCK SYNC ADJ 35A 24QFN
IR3843AM IR
IR PQFN-22L65
IC REG BUCK ADJUSTABLE 2A PQFN
IC REG BUCK ADJUSTABLE 2A PQFN
June 15th, 2026
June 11th, 2026
June 5th, 2026
May 28th, 2026
May 22th, 2026
May 12th, 2026
May 8th, 2026
April 28th, 2026
April 20th, 2026
April 17th, 2026
April 8th, 2026
March 31th, 2026
March 23th, 2026
March 20th, 2026
March 9th, 2026
March 4th, 2026
February 28th, 2026
February 3th, 2026
January 28th, 2026
January 19th, 2026
January 16th, 2026
January 9th, 2026
December 29th, 2025
December 25th, 2025
December 17th, 2025
December 10th, 2025
December 4th, 2025
November 25th, 2025
November 20th, 2025
November 11th, 2025
November 3th, 2025
October 30th, 2025
October 22th, 2025
October 16th, 2025
October 9th, 2025
September 28th, 2025
September 17th, 2025
September 9th, 2025
September 1th, 2025
August 25th, 2025
August 20th, 2025
July 3th, 2025
December 18th, 2024
June 21th, 2023
April 27th, 2023
July 1th, 2022
March 4th, 2021
September 10th, 2020
January 23th, 2020
0 Articles






June 26th, 2026
June 26th, 2026
June 25th, 2026
June 25th, 2026
IR3843AMTRPBFInfineon Technologies |
Quantity*
|
Target Price(USD)
|