In today's fast-paced electronics landscape, efficient power management is crucial. The Texas Instruments (TI) LM3481MM/NOPB is a versatile DC/DC controller designed for step-up (boost) applications. With its advanced features and robust performance, it caters to various needs, from portable audio amplifiers to automotive systems. In this comprehensive article, we'll delve into the intricacies of the LM3481MM/NOPB, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
The TI LM3481MM/NOPB is a single-output step-up DC/DC controller that operates at a maximum switching frequency of 1000 kHz. This controller is designed to boost voltage levels efficiently, making it ideal for a range of applications requiring reliable power supply solutions. Its flexibility allows it to handle output voltages from 1.26V to 500V, accommodating various project requirements.
Let's delve into the standout features that make the LM3481MM/NOPB a standout in the world of electronics:
· The controller can output voltages ranging from 1.26V to 500V, making it adaptable for different applications.
· With a maximum output current of 1A, the LM3481MM/NOPB can power demanding devices efficiently.
· The maximum switching frequency of 1000 kHz enables compact designs with fewer components.
· The device supports programmability, allowing engineers to customize performance for specific applications.
· This feature enhances efficiency by reducing power losses during operation.
· The LM3481MM/NOPB operates effectively in a wide temperature range, from -40°C to 125°C, making it suitable for automotive and other challenging environments.
Now, let's take a closer look at the technical specifications that define the capabilities of the LM3481MM/NOPB:
Type | Parameter |
Output Voltage (V) | 1.26 to 500 |
Maximum Output Current (A) | 1 |
Maximum Switching Frequency (kHz) | 1000 |
Minimum Input Voltage (V) | 2.97 |
Maximum Input Voltage (V) | 48 |
Operating Supply Voltage (V) | 2.97 to 48 |
Maximum Supply Current (mA) | 3.7(Typ) |
Minimum Switching Frequency (kHz) | 100 |
Synchronous Rectifier | Yes |
Synchronous Clock | Yes |
Control Method | PWM |
Programmability | Yes |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 125 |
Supplier Temperature Grade | Automotive |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 0.95(Max) |
Package Width | 3.1(Max) |
Package Length | 3.1(Max) |
PCB changed | 10 |
Standard Package Name | SO |
Supplier Package | VSSOP |
Pin Count | 10 |
Lead Shape | Gull-wing |
The versatility of the LM3481MM/NOPB shines through its wide range of applications, including:
· Boost for Audio Amplifiers: Enhancing sound output in portable speakers, providing the necessary power for high-quality audio performance.
· Wide Input Boost, SEPIC, Flyback Power Module: Suitable for various configurations to adapt to changing voltage levels.
· Isolated Supply (Flyback): Ensures stable power delivery in isolated circuits, which is crucial for safety and performance.
· Battery-Powered Boost Solutions: Ideal for battery-operated devices, ensuring consistent performance even as battery levels deplete.
Texas Instruments (TI), established in 1930, is a global leader in semiconductor and technology solutions, known for its pioneering contributions to the electronics industry. Specializing in the design and manufacture of analog and digital circuits, microcontrollers, and processors, TI has played a pivotal role in shaping technological advancements across diverse sectors, including industrial, automotive, consumer electronics, and communication.
The TI LM3481MM/NOPB DC/DC controller is a powerful solution for engineers looking to enhance their designs with efficient power management. Its wide input and output range, combined with high efficiency and robust features, make it an ideal choice for various applications, from portable audio devices to automotive systems.