LM2733XMFX

Voltage Regulators - DC DC Switching Regulators Overview

The LM2733XMFX is a Texas Instruments boost converter IC in an SOT-23-5 package. It operates with an input voltage range of 2.7 V to 14 V and delivers up to 1.5 A output current. The device supports adjustable output voltages from 3 V to 40 V. It features a fixed switching frequency of 1.6 MHz and a typical quiescent current of 2.1 mA. The component functions within a temperature range of -40°C to +125°C and includes a shutdown feature for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency synchronous boost topology to minimize external component count.
• Provides a dedicated shutdown pin for system power control and standby mode operation.
• Utilizes a compact SOT-23-5 footprint suitable for space-constrained portable designs.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring voltage step-up
• Cellular phone power supply circuits
• Personal digital assistant (PDA) systems
• General-purpose DC-DC conversion in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the manufacturer's official documentation, as variations such as NOPB or different reel sizes may exist. Confirm that the specific part number matches the required packaging format and RoHS compliance status for your manufacturing process. Cross-reference the datasheet revision to ensure all electrical parameters align with your design specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output boost converter is needed with an input voltage starting at 2.7 V. The 1.6 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Ensure the load current requirements do not exceed the 1.5 A limit and that the output voltage stays within the 40 V maximum rating. Consider the thermal performance in the SOT-23-5 package for your specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2733 series of synchronous boost converters from Texas Instruments. It is designed specifically for applications where small solution size and low quiescent current are critical. The series typically targets mobile communication devices and other battery-operated equipment. Related parts in the family may offer different switching frequencies or current capabilities while maintaining similar pinouts.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct replacements like the LM2733XMF/NOPB which shares identical electrical characteristics but may differ in packaging quantity or tape-and-reel specifications. Verify pin compatibility and thermal resistance if substituting with other boost converters in the same package type.