STMicroelectronics

LD1117V-DG  

Linear & Switching Voltage Regulators

LD1117V-DG Description

The LD1117V-DG is a linear voltage regulator designed and manufactured by STMicroelectronics. It is part of the Linear & Switching Voltage Regulators category and is known for its adjustable output type, positive output configuration, and single regulator design. This obsolete product is REACH unaffected and RoHS3 compliant, making it environmentally friendly. The LD1117V-DG is packaged in a tube and features a through-hole mounting type.

LD1117V-DG Features

• Adjustable Output: The LD1117V-DG offers an adjustable output voltage range from 1.25V to 15V, providing flexibility in various applications.
• High Output Current: With an output current of 800mA, it can handle demanding power requirements.
• Low Voltage Dropout: The maximum voltage dropout is 1.2V at 800mA, ensuring efficient power delivery even under load.
• Over Current and Over Temperature Protection: These features safeguard the device from damage due to excessive current or temperature.
• PSRR of 75dB at 120Hz: This high power supply rejection ratio minimizes noise and ensures stable operation.
• Operating Temperature Range: The LD1117V-DG can operate in extreme temperatures from 0°C to 125°C, making it suitable for harsh environments.
• Low Quiescent Current: With a quiescent current of only 5mA, it minimizes power consumption in standby modes.

LD1117V-DG Applications

The LD1117V-DG is ideal for applications requiring a stable and adjustable voltage supply with high current capabilities. Some specific use cases include:

• Power Supplies: In systems where a stable and adjustable voltage is needed, such as in industrial equipment or consumer electronics.
• Battery-Powered Devices: For devices that require efficient power management and protection from over-discharge.
• Telecommunications Equipment: In systems that demand reliable power regulation and noise suppression.

Conclusion of LD1117V-DG

The LD1117V-DG is a versatile linear voltage regulator with adjustable output, high current capability, and robust protection features. Although it is now considered obsolete, its performance benefits and unique features make it suitable for applications requiring stable and adjustable voltage supplies. Its compliance with environmental regulations and ability to operate in extreme temperatures further enhance its appeal in various industries.

LD1117V-DG Documents

Download datasheets and manufacturer documentation for LD1117V-DG

Datasheets :

LD1117xx      

Design Resources :

Cooling Requirements for Linear Voltage Regulator      

HTML Datasheet :

LD1117xx      

PCN Design/Specification :

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