LM2733YMFX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2733YMFX/NOPB is a synchronous boost DC-DC converter from Texas Instruments, housed in an SOT-23-5 package. It operates with an input voltage range of 2.7 V to 14 V and provides an adjustable output voltage between 3 V and 40 V. The device supports a maximum output current of 1.5 A and features a fixed switching frequency of 600 kHz. It includes a shutdown function and maintains a typical quiescent current of 1.1 mA. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Integrated power switch capable of delivering up to 1.5 A
• Fixed 600 kHz switching frequency minimizes external component size
• Shutdown pin enables low-power standby operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring step-up conversion
• Single-cell lithium-ion or alkaline battery systems
• LED driver circuits
• General-purpose DC-DC power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'YMFX' corresponds to the tape-and-reel packaging configuration required for your assembly process. Confirm that the 'NOPB' designation indicates lead-free and RoHS compliance status as per the manufacturer's latest documentation. Ensure the ordering part number matches the exact electrical specifications and package type needed for your design implementation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for boosting single-cell battery voltages. The 600 kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 1.5 A current limit and 40 V maximum output voltage when designing for higher power requirements. The SOT-23-5 package is suitable for space-constrained printed circuit board layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2733 family of boost converters from Texas Instruments. It shares functional similarities with other members like the LM2733XMF/NOPB, which offers a different switching frequency option. The family is designed for portable applications where efficiency and small footprint are critical. The YMFX variant specifically denotes the reel packaging format.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2733YMF/NOPB is listed as a direct equivalent or alternative in some distributor catalogs. Verify pin compatibility and electrical parameters before substitution. Other family members may require changes to external passive components due to frequency differences.