LM3478MMX/NOPB: Features, Specs & More
The TI LM3478MMX/NOPB is a high-performance DC/DC step-up controller designed for single-output applications. It operates with a wide input voltage range and supports high switching frequencies, making it ideal for compact and efficient power supply designs. Its versatility allows electronics engineers to implement reliable step-up power solutions across various projects. In this comprehensive article, we'll delve into the intricacies of the LM3478MMX/NOPB, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
LM3478MMX/NOPB's Overview
The LM3478MMX/NOPB is a PWM-based DC/DC step-up controller capable of boosting input voltages ranging from 2.97V to 40V to higher output levels up to 500V. It is designed for single-output topologies, offering up to 1A output current. This IC is fully programmable, allowing designers to adjust the switching frequency between 100kHz and 1000kHz for optimized circuit performance. Typical applications include portable electronics, LED drivers, battery-powered systems, and industrial power supplies.
Key Features
Let's delve into the standout features that make the LM3478MMX/NOPB a standout in the world of electronics:
· The controller supports a single output configuration for simplified design.
· It operates in step-up topology, allowing input voltages to be boosted efficiently.
· The output voltage range spans 1.26 V to 500 V for versatile applications.
· Maximum output current is 1 A to support moderate-load designs.
· Switching frequency reaches up to 1,000 kHz for high-speed operation.
· Input voltage ranges from 2.97 V to 40 V to accommodate different power sources.
· Typical quiescent current is 2.7 mA, ensuring low standby power consumption.
· The device includes a synchronous clock for precise timing control.
· It is PWM-controlled for accurate voltage regulation under varying loads.
· The operating temperature range is from -40°C to 125°C for reliability in harsh environments.
· It comes in an 8-pin VSSOP package with gull-wing leads for surface mounting.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the LM3478MMX/NOPB:
Type | Parameter |
Number of Outputs | 1 |
Topology | Step Up |
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) | 40 |
Operating Supply Voltage (V) | 2.97 to 40 |
Maximum Supply Current (mA) | 2.7(Typ) |
Typical Quiescent Current (mA) | 2.7 |
Minimum Switching Frequency (kHz) | 100 |
Synchronous Rectifier | No |
Synchronous Clock | Yes |
Control Method | PWM |
Programmability | Yes |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 125 |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 0.95(Max) |
Package Width | 3 |
Package Length | 3 |
PCB changed | 8 |
Standard Package Name | SO |
Supplier Package | VSSOP |
Pin Count | 8 |
Lead Shape | Gull-wing |
Applications
The LM3478MMX/NOPB is ideal for a variety of electronics applications:
· LED drivers and lighting systems requiring precise current regulation.
· Battery-powered devices where boosting voltage efficiently is critical.
· Industrial equipment that needs compact, high-frequency power conversion.
· Telecommunications systems requiring reliable DC/DC conversion.
· Consumer electronics such as cameras and portable instruments.
LM3478MMX/NOPB's Manufacturer
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.
Conclusion
The TI LM3478MMX/NOPB is a versatile, high-performance step-up DC/DC controller ideal for engineers seeking efficiency, flexibility, and reliability. Its wide input range, programmable features, and high switching frequency make it suitable for modern electronics applications. Whether you are designing LED drivers, battery-powered devices, or industrial systems, this controller provides the performance and dependability you need.
