IR3842WMTR1PBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3842WMTR1PBF is a synchronous step-down switching regulator from Infineon Technologies, part of the SupIRBuck family. It integrates high-side and low-side MOSFETs in a compact PQFN-EP-15 package. The device supports an input voltage range of 1.5 V to 16 V and delivers up to 4 A of output current. The adjustable output voltage ranges from 700 mV to 900 mV. Switching frequency is programmable between 250 kHz and 1.5 MHz. It operates within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal power MOSFETs for high efficiency.
• Programmable switching frequency allows optimization for size and performance.
• Compact surface-mount packaging reduces board space requirements.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Industrial control power supplies
• Telecommunications equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS compliance status as required by specific regional regulations. Ensure proper handling procedures are followed given moisture sensitivity classification. Validate that the specific suffix matches design requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase, high-current buck converter is needed in a small footprint. Consider the fixed output voltage window limits against system requirements. Evaluate thermal management needs based on the 4 A output capability and package thermal resistance. Compare switching frequency options against electromagnetic interference constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Infineon's SupIRBuck series, which combines controller and power stages into a single module. It simplifies design compared to discrete solutions by eliminating external gate drivers and power switches. The family targets applications requiring high density and reliability in power delivery networks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The IR3832WMTRPBF is a related variant within the same product family. Verify compatibility regarding output voltage range and pinout configuration before substitution. Check for any differences in thermal characteristics or switching frequency limits.