STMicroelectronics

LD1117D33CTR  

Linear & Switching Voltage Regulators

LD1117D33CTR Description

The LD1117D33CTR is a fixed linear voltage regulator designed and manufactured by STMicroelectronics. It is part of the Linear & Switching Voltage Regulators category and is known for its adjustable and fixed low drop performance. With a maximum input voltage of 15V and an output voltage of 3.3V, this device is capable of delivering a continuous output current of 800mA. The LD1117D33CTR is a single-output regulator with a positive output configuration, ensuring efficient power management in various electronic systems.

LD1117D33CTR Features

• Output Type: Fixed, providing a stable and reliable voltage output.
• Voltage - Input (Max): 15V, allowing for a wide range of input voltage compatibility.
• Current - Output: 800mA, suitable for applications requiring moderate current draw.
• Number of Regulators: 1, simplifying the design for single-output applications.
• Output Configuration: Positive, ideal for systems requiring a positive voltage reference.
• Product Status: Active, ensuring ongoing availability and support.
• Voltage Dropout (Max): 1.3V @ 800mA, maintaining high efficiency under load.
• RoHS Status: ROHS3 Compliant, adhering to environmental regulations.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no sensitivity to moisture, which is beneficial for a wide range of applications.
• Current - Quiescent (Iq): 10 mA, contributing to low power consumption in standby modes.
• PSRR: 75dB (120Hz), providing excellent power supply rejection ratio for stable operation.
• Protection Features: Over Current and Over Temperature, enhancing device reliability and longevity.

LD1117D33CTR Applications

The LD1117D33CTR is ideal for applications where a stable and efficient power supply is critical. Some specific use cases include:

• Portable Electronics: Due to its low dropout voltage and low quiescent current, it is perfect for battery-powered devices.
• Industrial Controls: Its ability to handle a wide input voltage range makes it suitable for industrial applications with varying power sources.
• Telecommunications: The high PSRR ensures stable operation in environments with fluctuating power supplies.
• Automotive Systems: The LD1117D33CTR can provide reliable power regulation in automotive electronics, where input voltage can vary significantly.

Conclusion of LD1117D33CTR

The LD1117D33CTR from STMicroelectronics stands out for its fixed output voltage stability, low dropout voltage, and robust protection features. Its compliance with RoHS and low moisture sensitivity level make it an environmentally friendly choice for a wide range of applications. With its performance benefits and unique features, the LD1117D33CTR is a reliable choice for designers looking to implement efficient power regulation in their electronic systems.

LD1117D33CTR Documents

Download datasheets and manufacturer documentation for LD1117D33CTR

Datasheets :

LD1117xx      

PCN Packaging :

Cover Tape 07/Sep/2019      

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HTML Datasheet :

LD1117xx      

PCN Design/Specification :

Back Metal Conversion 21/Jun/2016