LM27313XQMF/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM27313XQMF/NOPB is a current-mode boost converter from Texas Instruments, housed in a compact SOT-23-5 package. It features an integrated 30V DMOS FET switch and operates at a fixed switching frequency of 1.6MHz. The device supports an input voltage range of 2.7V to 14V and provides an adjustable output voltage between 4V and 28V. It delivers up to 1.25A of output current with a typical quiescent current of 2.1mA. Certified under AEC-Q100 Grade 1 for automotive applications, it functions reliably within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage 30V DMOS FET switch within a minimal five-pin surface-mount footprint.
• Utilizes internal compensation networks to eliminate the need for external phase compensation components.
• Includes comprehensive protection mechanisms such as cycle-by-cycle current limiting and thermal shutdown.
• Features a logic-level enable pin designed for direct microcontroller interface and power sequencing control.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring step-up conversion from single-cell lithium-ion batteries
• LCD bias voltage generation circuits
• LED backlight driver power supplies
• USB-powered peripheral modules
• Industrial sensor systems operating from low-voltage sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific order matches the 'XQMF' suffix configuration to ensure the component meets AEC-Q100 Grade 1 automotive qualification standards. Confirm the presence of the NOPB designation to guarantee lead-free compliance. Cross-reference the manufacturer part number against official Texas Instruments documentation to validate authenticity and revision status before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when board space is constrained but higher output voltages are required relative to the input source. The 1.6MHz switching frequency allows for the use of smaller passive components compared to lower-frequency alternatives. Ensure the application's peak current demands remain within the 1.25A limit and that the input voltage stays above the 2.7V minimum threshold for stable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM27313 family of DC-DC switching regulators. It shares architectural similarities with non-automotive variants like the LM27313XMFX/NOPB but distinguishes itself through rigorous automotive reliability testing. The family focuses on providing efficient power conversion solutions in ultra-small packages for battery-operated and space-sensitive electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM27313XMF/NOPB serves as a non-automotive equivalent with identical electrical specifications but lacks AEC-Q100 certification. For applications requiring similar performance without automotive qualification requirements, verify compatibility with the standard commercial grade variant while noting the absence of extended automotive reliability guarantees.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LM27313XQMF/NOPB require external compensation?

No, the device incorporates internal compensation, which simplifies the design by removing the need for external phase compensation components.

What is the maximum voltage rating for the internal switch?

The integrated DMOS FET switch is rated for a maximum voltage of 30V.

Is this component suitable for automotive environments?

Yes, the XQMF suffix indicates that the component is qualified to AEC-Q100 Grade 1 standards for automotive applications.