LM2733YMF

Voltage Regulators - DC DC Switching Regulators Overview

The LM2733YMF is a discontinued boost switching regulator IC manufactured by Texas Instruments. It operates with an input voltage range of 2.7V to 14V and provides a positive, adjustable output voltage up to 40V. The device supports a maximum switch current of 1A and functions at a fixed switching frequency of 600kHz. It utilizes a non-synchronous boost topology and is housed in a surface-mount SOT-23-5 package. The component is rated for operation within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides step-up voltage conversion from low input sources to higher regulated outputs
• Features adjustable output voltage capability for flexible system design
• Integrates current-mode control for stable regulation under varying load conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics requiring voltage boosting
• General-purpose DC-DC power supply stages in embedded systems
• Applications utilizing single-cell lithium-ion or alkaline battery inputs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm availability of equivalent active replacements such as the LM2733YMF/NOPB variant. Ensure that any substitute components match the required electrical specifications and physical footprint to maintain circuit compatibility without redesign.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a compact boost solution with moderate current capabilities. Consider the discontinuation status when defining long-term product lifecycles. Evaluate alternative active versions within the same family if continuous production is a critical requirement for the target application timeline.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2733 series of high-efficiency boost converters designed for space-constrained applications. The YMF suffix indicates the specific SC-74A/SOT-753 package configuration. As a legacy item, it represents an earlier generation of Texas Instruments' power management portfolio focused on small-form-factor efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2733YMF/NOPB is a confirmed public substitute offering identical functionality while maintaining active manufacturing status. Verify pinout compatibility and thermal characteristics when transitioning to the NOPB variant to ensure seamless integration into existing hardware layouts.