LM3578AN/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3578AN/NOPB is a switching voltage regulator IC from Texas Instruments, housed in an 8-pin DIP package. It supports buck, boost, and buck-boost topologies with an input voltage range of 2 V to 40 V. The device provides a single output capable of delivering up to 750 mA switch current. Operating supply current is specified at 14 mA, with load regulation of 30 mV. It functions as a positive or negative regulator and includes internal comparator and oscillator stages for control.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports buck, boost, and buck-boost switching regulator configurations
• Integrates comparator input stage and oscillator for control
• Capable of positive or negative output regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Buck converter circuits
• Boost converter circuits
• Buck-boost converter applications

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free compliance and RoHS adherence per Texas Instruments documentation. Confirm the 'A' grade designation matches required temperature and performance specifications. Ensure the DIP-8 package type aligns with PCB layout requirements. Cross-reference the manufacturer part number against official TI databases to confirm current production status and availability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single IC must handle multiple DC-DC conversion topologies including step-up, step-down, or inverted outputs. Consider the 40 V maximum input voltage limit and 750 mA current capability for power requirements. Evaluate the DIP-8 package suitability for through-hole assembly processes. Verify that the 14 mA operating current fits system power budget constraints compared to alternative regulators.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM3578 series represents Texas Instruments' family of versatile switching regulators designed for flexible power management. The AN variant specifically denotes the DIP-8 package configuration. This component integrates essential control logic, allowing designers to implement various converter architectures without external complex control circuitry, serving as a foundational element in mixed-signal power systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.