Texas Instruments

UA78L12ACDRM3  

Linear & Switching Voltage Regulators

UA78L12ACDRM3 Description

The UA78L12ACDRM3 is a 100-MA 30-V LINEAR VOLTAGE REGULATOR designed for a wide range of electronic applications. Manufactured by Texas Instruments, this regulator is part of the UA78L series and offers a fixed output voltage of 12V. It features a maximum input voltage of 35V and a quiescent current of just 4.1 mA, making it highly efficient and suitable for low-power applications. The regulator is housed in a surface-mount package, specifically the Tape & Reel (TR) format, which is ideal for automated assembly processes.

UA78L12ACDRM3 Features

• Output Voltage: Fixed at 12V, ensuring stable power supply for various electronic devices.
• Input Voltage Range: Capable of handling up to 35V, providing flexibility in power source selection.
• Output Current: Delivers a consistent 100mA, suitable for a variety of low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 1.7V at 40mA, the UA78L12ACDRM3 maintains high efficiency even at low input-to-output voltage differentials.
• Power Supply Rejection Ratio (PSRR): Ranging from 50dB to 42dB at 120Hz, this regulator effectively filters out noise from the power supply, ensuring clean output voltage.
• Protection Features: Over Current, Over Temperature, Reverse Current, and Short Circuit protections safeguard the regulator and connected circuits from damage.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates high resistance to moisture, making it suitable for various environmental conditions.

UA78L12ACDRM3 Applications

The UA78L12ACDRM3 is ideal for applications requiring a stable 12V power supply with low power consumption. Its features make it suitable for:

• Consumer Electronics: Powering small devices such as portable audio equipment, USB chargers, and low-power peripherals.
• Industrial Equipment: Providing reliable power to sensors, microcontrollers, and other low-power components in industrial settings.
• Automotive Electronics: Suitable for automotive applications where a stable 12V supply is needed, such as in dashboard electronics and infotainment systems.
• Telecommunications: Powering low-power modules in communication devices and base stations.

Conclusion of UA78L12ACDRM3

The UA78L12ACDRM3 stands out as a reliable and efficient linear voltage regulator, offering a fixed 12V output with robust protection features and low quiescent current. Its low dropout voltage and high PSRR ensure stable and clean power delivery, making it an excellent choice for low-power applications. With its surface-mount package and compliance with environmental standards, the UA78L12ACDRM3 is a versatile and future-proof solution for a wide range of electronic devices.

UA78L12ACDRM3 Documents

Download datasheets and manufacturer documentation for UA78L12ACDRM3