LM1572MTC-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM1572MTC-3.3/NOPB is a fixed-output buck switching regulator IC manufactured by Texas Instruments. It provides a positive fixed output voltage of 3.3V with a maximum load current capability of 1.5A. The device integrates high-side and low-side power switches to minimize external component count. It operates within an input voltage range of 4.5V to 60V. The unit is housed in a 16-TSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power switches for simplified design
• Provides fixed 3.3V output with 1.5A current capacity
• Supports wide input voltage range up to 60V

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Battery-powered equipment step-down conversion
• General-purpose DC/DC power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the 16-TSSOP package dimensions match your PCB footprint requirements. Ensure the fixed 3.3V output aligns with system voltage needs, as this variant does not offer adjustable output options.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V rail is required from a higher input voltage source up to 60V. The integrated switch design reduces bill of materials compared to controllers requiring external MOSFETs. Consider the 1.5A current limit for load requirements and ensure adequate thermal management for the TSSOP package under continuous operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM1572 family of synchronous buck regulators. It is designed for applications requiring efficient step-down conversion without the complexity of external gate drivers. The device simplifies power supply design by combining control logic and power stages into a single compact package.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM1572 variants with different output voltages or packages if 3.3V is not suitable. Verify pin compatibility with alternative synchronous buck regulators from other manufacturers before substitution.