Texas Instruments

LM3478MM  

DC DC Switching Controllers

LM3478MM Description

The LM3478MM is a versatile DC-DC switching controller from Texas Instruments, designed to operate in various topologies such as boost, flyback, and SEPIC. It is a surface-mount device, offering a compact solution for power conversion applications. With a wide supply voltage range of 2.97V to 40V and a switching frequency range of 100kHz to 1MHz, the LM3478MM is suitable for a variety of power conversion requirements.

LM3478MM Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Product Status: Last Time Buy
• Frequency - Switching: 100kHz to 1MHz
• REACH Status: REACH Unaffected
• Mfr: Texas Instruments
• Voltage - Supply (Vcc/Vdd): 2.97V to 40V
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Synchronous Rectifier: No
• ECCN: EAR99
• Topology: Boost, Flyback, SEPIC
• Mounting Type: Surface Mount
• Clock Sync: No
• Number of Outputs: 1
• Control Features: Enable, Frequency Control
• Duty Cycle (Max): 100%
• Output Phases: 1
• HTSUS: 8542.39.0001
• Package: Tape & Reel (TR)
• Base Product Number: LM3478

LM3478MM Applications

The LM3478MM is ideal for a wide range of applications, including:

1. Industrial Power Supplies: Due to its wide input voltage range and ability to handle high-duty cycles, the LM3478MM is well-suited for industrial power supply applications.
2. Telecommunications Equipment: The LM3478MM's compact surface-mount package and wide operating frequency range make it an excellent choice for telecommunications equipment, where space and efficiency are critical.
3. Automotive Applications: With its ability to operate over a wide supply voltage range, the LM3478MM is suitable for automotive applications, where the input voltage can vary significantly.
4. Portable Electronics: The LM3478MM's low-voltage operation and small form factor make it ideal for portable electronic devices, such as smartphones and tablets.

Conclusion of LM3478MM

The LM3478MM from Texas Instruments is a powerful and versatile DC-DC switching controller, offering a wide range of features and benefits for various power conversion applications. Its unique combination of a wide input voltage range, high switching frequency, and compact surface-mount package make it an ideal choice for industrial, telecommunications, automotive, and portable electronics applications. With its RoHS3 compliance and REACH unaffected status, the LM3478MM is also environmentally friendly, making it a responsible choice for manufacturers looking to minimize their environmental impact.

LM3478MM Documents

Download datasheets and manufacturer documentation for LM3478MM

Datasheets :

LM3478      

Design Resources :

LM3478 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

EOL NOTICE 15/Sep/2023      

PCN Design/Specification :

LM3478 08/Feb/2018       Wire Chg 19/Mar/2016