Voltage Regulator TPS54334
6.53€
In Stock Estimated Delivery: Thursday, August 27th
Why Choose Us?
High-Efficiency Synchronous DC-DC Converter TPS54334
The TPS54334 is a high-efficiency synchronous step-down (buck) voltage regulator, designed to provide up to 3A of continuous output current from a wide range of input voltages. Its synchronous architecture with integrated MOSFETs minimises power losses, making it ideal for applications requiring high energy efficiency and optimised thermal management, from distributed power systems to industrial and consumer equipment.
Technical Specifications
- Converter Type: Synchronous Step-Down (Buck)
- Reference: TPS54334
- Input Voltage (VIN): 4.5V to 28V
- Output Voltage (VOUT): Adjustable (min. 0.8V)
- Maximum Output Current: 3A (continuous)
- Switching Frequency: Adjustable from 100 kHz to 2.5 MHz
- Package: SOIC-8 PowerPAD™
- Efficiency: Greater than 90% under optimal conditions
What Distinguishes This Model
The main advantage of the TPS54334 lies in its combination of a wide input voltage range (up to 28V) with the efficiency of a synchronous converter. Unlike non-synchronous regulators, its integrated low RDS(on) MOSFETs significantly reduce heat dissipation, allowing for more compact and reliable designs without the need for external heat sinks in many applications.
Usage / Installation Tips
To ensure stability and thermal performance, make sure the PowerPAD™ terminal is correctly soldered to a ground plane (GND) on the PCB. Use high-quality ceramic bypass capacitors (X5R/X7R) as close as possible to the input (VIN) and output (VOUT) pins to minimise noise and ripple.
Frequently Asked Questions
What is the main advantage of a synchronous regulator like the TPS54334?
The main advantage is higher efficiency, especially with heavier loads and higher input voltages, as it replaces the freewheeling diode with a low-resistance MOSFET, reducing power losses.
Does this voltage regulator require many external components?
No, the TPS54334 is designed for simplified implementation. It primarily requires an inductor, resistors to set the output voltage and frequency, and input and output capacitors, minimising circuit complexity.
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