IR3842MTRPBF vs IR3840AMTRPBF

This in-depth comparison of the IR3842MTRPBF and IR3840AMTRPBF provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

IR3842MTRPBF

Infineon Technologies

Lifecycle
Active
Stock
1500 PCS
Package
VQFN-15
Series
PMIC - Voltage Regulators - DC DC Switching Regulators
Part B

IR3840AMTRPBF

Infineon Technologies

Lifecycle
Active
Stock
2785 PCS
Package
QFN-14
Series
PMIC - Voltage Regulators - DC DC Switching Regulators

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification IR3842MTRPBF IR3840AMTRPBF
Series SupIRBuck® SupIRBuck®
Part Status Obsolete Obsolete
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 1.5V 1.5V
Voltage - Input (Max) 16V 16V
Voltage - Output (Min/Fixed) 0.7V 0.9V
Voltage - Output (Max) 14.4V 14.4V
Current - Output 4A 14A
Frequency - Switching 225kHz ~ 1.65MHz 225kHz ~ 1MHz
Synchronous Rectifier Yes Yes
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount