LM5007MM/S7003020

Voltage Regulators - DC DC Switching Regulators Overview

The LM5007MM/S7003020 is a high-voltage step-down switching regulator manufactured by Texas Instruments. It operates within an input voltage range of 9 V to 75 V and delivers up to 500 mA output current. The device features an integrated 80-V, 0.7-A N-channel buck switch and an internal high-voltage VCC regulator. Output voltage is adjustable from 2.5 V to 73 V. Switching frequency ranges from 50 kHz to 800 kHz. It functions in a Buck topology with one output channel. Operating temperature spans -40°C to +125°C. Quiescent current is 500 µA. The component is housed in an 8-VSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates an 80-V rated N-channel power switch for high-voltage operation
• Includes an internal high-voltage regulator to simplify bias supply requirements
• Supports wide input voltage range suitable for industrial and automotive systems

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics power management
• High-voltage DC-DC conversion stages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix S7003020 against the official Texas Instruments datasheet to confirm pinout compatibility and functional equivalence with standard LM5007 variants. Ensure the VSSOP-8 package matches your PCB footprint design. Confirm RoHS compliance status through the manufacturer's official documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high input voltage tolerance up to 75 V. The fixed off-time control architecture simplifies compensation network design compared to constant frequency PWM controllers. Consider the thermal performance of the VSSOP-8 package for your expected load conditions and ambient temperature environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5007 family of high-voltage buck converters. It is designed to replace older discrete solutions or lower-voltage regulators in applications where input sources exceed 36 V. The integration of the high-side switch reduces external component count and board space requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM5007MM/NOPB as a direct equivalent variant. Verify that any substitute maintains the same 8-VSSOP package and electrical specifications.