E-L6932D1.2TR

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

The E-L6932D1.2TR is an Ultra Low Drop Output (ULDO) linear regulator manufactured by STMicroelectronics, designed for high-performance power management applications. It operates within a 2V to 14V input voltage range and supports up to 2A output current. The device features an adjustable output voltage ranging from 1.2V to 5V with a regulation accuracy of 1%. Key electrical characteristics include a maximum drain-source ON resistance of 200mΩ, a quiescent current of 200µA at any load, and a ripple rejection of 75dB at 120Hz. It incorporates short circuit protection and thermal shutdown functionality.

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

• Adjustable output voltage configuration allows programming between 1.2V and 5V using external resistors.
• Integrated internal N-channel MOSFET provides low dropout performance and efficient DC-DC conversion capabilities.
• Includes Power Good (PGOOD) function and Enable pin for system control and status monitoring.
• Built-in protection mechanisms ensure reliability through thermal shutdown and fixed current limiting.

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 ordering suffix 'TR' indicates tape and reel packaging when sourcing components. Confirm that the part number corresponds to the adjustable voltage version (L6932D1.2) rather than fixed voltage variants. Check manufacturer documentation for current lifecycle status, as availability may vary. Ensure compatibility with required input voltage ranges and thermal management strategies for the target application environment.

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

Select this component for applications requiring precise voltage regulation with high current capability in portable devices. Consider the SO-8 package dimensions and thermal resistance when designing PCB layouts. Evaluate the need for external compensation capacitors if using low ESR ceramic output capacitors to maintain loop stability. Verify that the input voltage source can support the required transient currents without exceeding the device's absolute maximum ratings.

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

The L6932 series includes fixed voltage options such as 1.5V, 1.8V, and 2.5V, alongside the adjustable D1.2 variant. The E-L6932D1.2TR specifically denotes the adjustable version in tape and reel packaging. This family is part of STMicroelectronics' portfolio of ultra-low drop regulators designed for efficiency in battery-powered and space-constrained electronics.

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

Direct substitutes within the same package and specification include other L6932 variants like L6932D1.5 or L6932D2.5 if fixed voltages are acceptable. Cross-referencing with similar ULDO regulators from other manufacturers requires verifying pinout compatibility and electrical parameter alignment.

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

How is the output voltage adjusted on the L6932D1.2?

The output voltage is programmed between 1.2V and 5V by connecting an external resistor divider network to the ADJ pin.

What protection features are included in the L6932?

The device includes short circuit protection with current limiting and thermal shutdown that activates at 150°C with a 20°C hysteresis.