TPS7B8750QDDARQ1

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The TPS7B8750QDDARQ1 is an automotive-grade low-dropout linear regulator with a 40V input range and 500mA output current. It provides a fixed 5V output with ±0.85% accuracy. The device features a power-good signal with programmable delay, operates from -40°C to +125°C ambient temperature, and withstands junction temperatures up to +150°C. It includes undervoltage lockout, thermal shutdown, and current limiting protection.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Designed for direct battery connection in automotive environments, supporting high-voltage transients such as load dumps.
• Features state-of-the-art line transient response to maintain stability during cold-crank conditions.
• Includes a power-good indicator with an externally adjustable delay timer for system sequencing.
• Utilizes thermally conductive packaging to efficiently dissipate heat onto the circuit board ground plane.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Reconfigurable instrument clusters
• Body control modules (BCM)
• Always-on battery-connected applications like automotive gateways

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific package variant matches the design requirements, as the DDA suffix indicates an 8-pin HSOIC package. Confirm that the fixed 5V output aligns with the target load voltage needs. Ensure the application environment stays within the specified operating temperature ranges for reliable performance.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 5V rail is required for always-on automotive systems. It is suitable for powering microcontrollers and CAN transceivers where low quiescent current at light loads is critical. The integrated power-good feature simplifies system monitoring without requiring external logic components.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the TPS7B87-Q1 family of automotive LDO regulators. These devices are engineered specifically for harsh automotive electrical environments. They offer robust transient handling and high accuracy, making them ideal for sensitive analog loads and digital controllers in modern vehicle architectures.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct replacements include other members of the TPS7B87-Q1 series, such as the TPS7B8633QDDARQ1 for a 3.3V output or the TPS7B8750QKVURQ1 if a TO-252 package is preferred. Verify pin compatibility and thermal characteristics before substitution.