DMP31D7LFBQ-7B

Overview

The DMP31D7LFBQ-7B is a P-channel enhancement mode MOSFET from Diodes Incorporated, designed for high-efficiency power management. It features a -30V drain-source breakdown voltage and a maximum continuous drain current of -0.81A at +25°C. The device offers a low on-state resistance of 0.9Ω at VGS = -10V and 1.7Ω at VGS = -4.5V. Packaged in an X1-DFN1006-3 footprint, it provides fast switching speeds and ESD protection. The component is AEC-Q101 qualified and suitable for automotive applications requiring specific change control.

Feature Summary

• Extremely compact X1-DFN1006-3 package with a 0.6mm² footprint, significantly smaller than traditional SOT23 packages.
• Optimized for high-efficiency power management by minimizing on-state resistance while maintaining superior switching performance.
• Features a low gate threshold voltage and an ESD protected gate structure for reliable operation.
• Qualified to AEC-Q101 standards and manufactured in IATF 16949 certified facilities for automotive suitability.

Applications

• Load Switch
• High-efficiency power management circuits

Procurement Notes

Verify the complete part number including the suffix '-7B' to ensure correct packaging quantity and reel specifications. Confirm that the application environment meets the specified operating temperature range of -55°C to +150°C. Ensure PCB layout adheres to the recommended pad dimensions for the X1-DFN1006-3 package to maintain thermal performance. Check for RoHS compliance requirements if applicable to the final assembly.

Selection Notes

Select this component when space constraints are critical due to its minimal footprint size compared to standard transistor packages. Consider the -30V rating and sub-ampere current capability for low-power load switching applications. Evaluate the thermal resistance characteristics against the expected duty cycle and ambient conditions. Verify compatibility with the required gate drive voltages given the specified threshold voltage ranges.

Part Context

This component belongs to the DMP31 series of P-channel MOSFETs from Diodes Incorporated. It is specifically engineered to balance low on-resistance with fast switching capabilities. The 'FBQ' designation indicates the specific package type and automotive qualification status within the product line.

Replacement Considerations

Direct substitutes include other AEC-Q101 qualified P-channel MOSFETs in the X1-DFN1006-3 package with similar -30V ratings and comparable on-resistance values. Verify pinout compatibility and thermal characteristics before substitution.

FAQ

Is the DMP31D7LFBQ-7B suitable for automotive applications?

Yes, the DMP31D7LFBQ is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities, making it suitable for automotive applications requiring specific change control.

What is the maximum continuous drain current at +25°C?

The maximum continuous drain current (ID) at TA = +25°C is -0.81 A when VGS = -10V.

What is the package type and footprint size?

The device is housed in an X1-DFN1006-3 package with a footprint area of 0.6mm².