L6932D1.5

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

The L6932D1.5 is a fixed-output ultra-low dropout linear regulator manufactured by STMicroelectronics, providing a stable 1.5V output with a maximum continuous current of 2A. It operates within an input voltage range of 2V to 14V and features a maximum drain-source on-resistance (Rdson) of 200mΩ. The device incorporates internal short-circuit protection and thermal shutdown, limiting junction temperature to 150°C. Electrical specifications include a quiescent current of 200µA at any load, line regulation of 5mV, and ripple rejection of 75dB at 120Hz. It is housed in an SO-8 package.

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

• Ultra-low dropout design utilizing an internal N-channel MOSFET for high efficiency.
• Integrated power good indicator and enable control functionality.
• Built-in thermal shutdown and current limiting for robust operation under fault conditions.

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

• Motherboards
• Mobile PC systems
• Hand-held instruments
• PCMCIA cards
• Processors I/O supply

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

Verify the specific suffix 'D' indicates the SO-8 package variant when sourcing. Confirm that the component status is End-of-Life or obsolete as indicated by distributor records. Ensure compatibility with RoHS3 standards if required by your manufacturing process. Check datasheet revision history for any updates to electrical characteristics before finalizing designs.

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

Select this component for applications requiring a fixed 1.5V rail from inputs between 2V and 14V. Consider the 200mΩ Rdson for dropout calculations at 2A loads. Evaluate thermal dissipation requirements carefully due to the small SO-8 package size. Use ceramic capacitors with caution regarding loop stability; add compensation if necessary.

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

The L6932 series includes fixed versions at 1.5V, 1.8V, and 2.5V, plus an adjustable version starting at 1.2V. All variants share the same 2A capability and SO-8 packaging. The L6932D1.5 specifically targets low-voltage digital logic supplies where minimal voltage drop is critical for power conservation in portable devices.

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

Direct substitutes within the same family include L6932D1.8 and L6932D2.5 for different voltage rails. For adjustable outputs, consider L6932D1.2. Verify pinout compatibility and thermal performance when cross-referencing with other manufacturers' 2A LDOs.

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

What is the maximum junction temperature for the L6932D1.5?

The maximum junction temperature is 150°C, with thermal shutdown activating to limit internal temperature.

How does the device handle short circuits?

It features fixed current limiting at approximately 2.5A (±8%) to protect the device during short circuit conditions.