LM3668SD-3034/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3668SD-3034/NOPB is a synchronous buck-boost DC/DC converter from Texas Instruments, designed for high efficiency in single-inductor topologies. It features a programmable output voltage of 3V and 3.4V with a maximum output current of 1A. The device operates within an input voltage range of 2.5V to 5.5V and supports a switching frequency of 2.2MHz. It utilizes a 12-WSON package with exposed pad and functions across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-mode operation enables high efficiency across varying load conditions by transitioning between continuous and discontinuous conduction modes.
• Synchronous rectification architecture minimizes power losses during both buck and boost operations for improved thermal performance.
• Single-inductor design reduces component count and board space requirements compared to traditional multi-inductor solutions.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management from single-cell lithium-ion batteries
• Mobile communication devices needing stable voltage regulation under dynamic load profiles
• Battery-powered IoT sensors and wearables utilizing compact power supply architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required output voltages and packaging options. Confirm RoHS compliance status and check for any recent product change notices or lifecycle updates directly from Texas Instruments documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Evaluate the input voltage range against the source battery characteristics to ensure proper buck-boost operation. Consider the thermal dissipation requirements of the 12-WSON package when designing the PCB layout. Verify that the external inductor selection supports the 1A output current without saturation at the specified switching frequency.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM3668 family of high-efficiency dual-mode single-inductor buck-boost converters. It shares architectural similarities with other variants in the series but differs in fixed output voltage settings and specific pin configurations tailored for particular application voltage rails.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3668SDX-3034/NOPB