LM2733YMF

Voltage Regulators - DC DC Switching Regulators Overview

The LM2733YMF is a boost converter IC featuring a 40V internal DMOS FET switch. It operates at selectable switching frequencies of 600 kHz or 1.6 MHz. The device supports an input voltage range from 2.7 V to 14 V and provides an adjustable output voltage up to 40 V. It delivers a maximum output current of 1 A. The component is housed in a SOT-23-5 package and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage 40V DMOS power switch for compact design
• Offers selectable switching frequencies to optimize external component size
• Supports wide input voltage ranges suitable for single-cell battery applications

Voltage Regulators - DC DC Switching Regulators Applications

• White LED backlight drivers for digital photo frames
• Portable consumer electronics requiring step-up conversion
• Battery-powered devices needing regulated higher voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against current Texas Instruments documentation, as National Semiconductor products are now managed under TI. Confirm RoHS compliance status and manufacturing origin details via official datasheets before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small footprint is required alongside moderate current capabilities. The availability of two switching frequency options allows designers to balance efficiency against passive component physical size. Ensure input voltage constraints align with the specified 2.7 V minimum threshold.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2733 family of boost converters originally developed by National Semiconductor. Following the acquisition of National Semiconductor by Texas Instruments, product lines were integrated into TI's portfolio. The device remains a standard solution for low-power DC-DC conversion tasks in portable equipment.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2733YMFX/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum voltage rating for the internal switch?

The internal DMOS FET switch is rated for a maximum voltage of 40 V.

Does the LM2733YMF support synchronous rectification?

No, the LM2733 uses a non-synchronous boost topology with an internal DMOS switch.