LM3677TL-1.2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3677TL-1.2/NOPB is a step-down DC-DC converter manufactured by Texas Instruments, designed for ultra-low voltage circuits. It features a fixed 1.2 V output and supports up to 600 mA of continuous output current. The device operates with an input voltage range from 2.7 V to 5 V and utilizes a switching frequency of 3 MHz. Packaged in a 5-pin DSBGA (VFBGA) with a 0.50 mm pitch, it functions within a temperature range of -30 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3 MHz switching frequency to enable the use of miniature passive components for space-constrained designs.
• Supports both voltage-mode PWM and current-mode PFM control techniques for optimized efficiency across load conditions.
• Provides a fixed 1.2 V output regulated by internal feedback networks without requiring external resistors.

Voltage Regulators - DC DC Switching Regulators Applications

• Powering ultra-low voltage digital logic circuits
• Supplying power to portable consumer electronics
• Battery-powered embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels due to the presence of counterfeit risks in the market. Confirm that the specific suffix /NOPB indicates lead-free and RoHS-compliant manufacturing standards as defined by Texas Instruments. Ensure the received package matches the specified 5-pin DSBGA form factor and verify date codes against production lifecycle status.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact footprint is required alongside a fixed 1.2 V rail. The 3 MHz operation allows for smaller inductors compared to lower-frequency alternatives. Consider the 600 mA limit for load requirements and ensure the input voltage remains within the 2.7 V to 5 V window. The DSBGA package necessitates appropriate PCB thermal management strategies during layout.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3677 family of miniature step-down converters from Texas Instruments. It shares architectural similarities with other variants like the LM3677LE and LM3674 series but differs in package type and specific electrical characteristics. The family targets applications demanding high power density and efficient power management in small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM3677TL-1.3/NOPB, LM3677TL-1.5/NOPB, and LM3677TL-1.875/NOPB for different fixed voltage outputs. For pin-compatible alternatives with similar specifications, consider the LM3674 series, though package variations may exist.