Texas Instruments

LM5117PMHE/NOPB

LM5117PMHE/NOPB Description

The LM5117PMHE/NOPB is a high-performance DC-DC switching controller designed for buck topology applications, manufactured by Texas Instruments. This device is a transistor driver with a positive output configuration, suitable for a wide range of voltage supplies ranging from 5.5V to 65V. It operates at switching frequencies of 200kHz and 480kHz, providing flexibility in design optimization for efficiency and size. The LM5117PMHE/NOPB features synchronous rectification, enhancing efficiency and reducing power loss. It is packaged in a 20-lead TSSOP surface-mount package, making it ideal for compact and high-density designs. The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. With a moisture sensitivity level (MSL) of 3 (168 hours), it is well-suited for manufacturing processes requiring controlled environments.

LM5117PMHE/NOPB Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 200kHz, 480kHz
• Voltage - Supply (Vcc/Vdd): 5.5V to 65V
• Synchronous Rectifier: Yes
• Control Features: Frequency Control, Ramp, Soft Start
• Output Phases: 1
• Number of Outputs: 1
• Package: 20-TSSOP
• Mounting Type: Surface Mount
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Product Status: Active

The LM5117PMHE/NOPB offers several unique features that provide significant advantages over similar models. Its wide input voltage range and dual switching frequencies make it highly adaptable for various power supply requirements. The inclusion of synchronous rectification ensures high efficiency, especially in high-current applications, reducing heat dissipation and improving overall system performance. The device also incorporates essential control features such as frequency control, ramp, and soft start, which enhance stability and reliability during startup and operation.

LM5117PMHE/NOPB Applications

The LM5117PMHE/NOPB is ideal for a variety of applications where high efficiency, compact size, and reliable performance are critical. It is particularly well-suited for:

• Telecommunications: Powering base stations and network equipment where high efficiency and low power loss are essential.
• Industrial Equipment: Driving motors and other high-current loads in industrial settings.
• Automotive Systems: Providing stable and efficient power supply for electronic control units (ECUs) and other automotive electronics.
• Consumer Electronics: Powering high-performance computing devices and other consumer products that require compact and efficient power solutions.

Conclusion of LM5117PMHE/NOPB

The LM5117PMHE/NOPB from Texas Instruments is a versatile and high-performance DC-DC switching controller that stands out in its category. Its wide input voltage range, switching dual frequencies, and synchronous rectification make it an excellent choice for a variety of demanding applications. The inclusion of advanced control features ensures stable and reliable operation, while its compact surface-mount package and environmental compliance make it suitable for modern manufacturing processes. Overall, the LM5117PMHE/NOPB offers a robust and efficient solution for designers looking to optimize power delivery in their systems.