XR76205EL-Q

Voltage Regulators - DC DC Switching Regulators Overview

The XR76205EL-Q is an AEC-Q100 qualified synchronous step-down constant-on-time (COT) regulator from the MaxLinear PowerBlox series. It supports input voltages up to 40V and provides configurable output currents of 3A, 5A, or 8A depending on the specific suffix variant. The device features a minimum output voltage of 0.6V and an adjustable switching frequency range from 100kHz to 800kHz. Designed for automotive applications, it operates within a temperature range of -40°C to +125°C and utilizes a compact QFN-30 5x5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Integrated synchronous buck topology with external MOSFETs
• Constant-on-time control architecture for fast transient response
• Configurable current capability across 3A, 5A, and 8A variants

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body control modules
• ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific current rating suffix (e.g., ELQ vs other variants) as the base part number covers multiple amperage options. Confirm AEC-Q100 qualification status in the final datasheet revision. Ensure the selected package matches the thermal requirements of the target application. Cross-reference the exact ordering code with the manufacturer's official distribution list to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select the appropriate current variant based on peak load requirements and thermal dissipation capabilities. Evaluate the input voltage range against the vehicle's battery system specifications. Consider the switching frequency setting to optimize inductor size and efficiency. Verify compatibility with the PCB layout guidelines provided in the reference design documentation for optimal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XR76205 PowerBlox family, which integrates high-side and low-side drivers with external power stages. The series is designed to replace discrete solutions in space-constrained automotive environments. It shares architectural similarities with the XR761xx series but offers higher voltage tolerance suitable for heavy-duty truck and passenger car platforms.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include the XR76205EL-F for non-automotive grades or the XR76201 for lower current applications. Check pinout compatibility when substituting with older Exar Corporation parts. Ensure thermal management strategies are adjusted if moving between different package types within the same functional family.