Texas Instruments

LM140LAH-5.0

LM140LAH-5.0 Description

The LM140LAH-5.0 is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this device offers a fixed output voltage of 5V and a maximum output current of 100mA. It is housed in a TO39-3 package, making it suitable for through-hole mounting. With a maximum input voltage of 35V, the LM140LAH-5.0 ensures robust performance in various electronic systems.

LM140LAH-5.0 Features

• Output Type: Fixed
• **Voltage - Input ()**Max: 35V
• Current - Output: 100mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 4.5 mA
• Voltage - Output (Min/Fixed): 5V
• Voltage Dropout (Max): 2V @ 1A
• Current - Quiescent (Iq): 3 mA
• PSRR: 72dB (120Hz)
• Protection Features: Over Temperature, Short Circuit
• Mounting Type: Through Hole
• Package: Bulk
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The LM140LAH-5.0 stands out due to its low dropout voltage of 2V at 1A, which allows it to maintain efficiency even under high load conditions. Its high power supply rejection ratio (PSRR) of 72dB at 120Hz ensures minimal noise and ripple in the output voltage, making it ideal for sensitive analog circuits.

LM140LAH-5.0 Applications

The LM140LAH-5.0 is well-suited for a variety of applications where a stable and reliable power supply is crucial. Its fixed 5V output and 100mA current capability make it ideal for powering microcontrollers, sensors, and other low-power electronics. The device's over-temperature and short-circuit protection features enhance its reliability and make it suitable for use in harsh environments.

Specific use cases include:

• Microcontroller Power Supply: Providing a stable 5V supply to microcontrollers and other low-power embedded systems.
• Sensor Applications: Ensuring reliable power for sensors in industrial and automotive applications.
• Consumer Electronics: Powering small electronic devices that require a stable voltage source.

Conclusion of LM140LAH-5.0

The LM140LAH-5.0 from Texas Instruments is a versatile and reliable linear regulator designed to meet the demands of modern power management applications. Its robust technical specifications, including a low dropout voltage and high PSRR, make it an excellent choice for applications requiring stable and noise-free power. The device's over-temperature and short-circuit protection features further enhance its reliability and durability. Whether powering microcontrollers, sensors, or other low-power electronics, the LM140LAH-5.0 offers a dependable and efficient solution.