Overview
The TPS54316PWPRG4 is a highly efficient, synchronous buck regulator designed by Texas Instruments. It is part of the SWIFT™ family of DC-DC regulators, integrating all required active components to provide a compact and reliable power management solution. This IC is capable of delivering a continuous output current of up to 3A, making it an excellent choice for powering core voltages of microprocessors, FPGAs, DSPs, and other digital ICs. The device operates over a wide temperature range of -40°C to 85°C and is available in a thermally enhanced 20-pin HTSSOP (PWP) PowerPAD™ package, which eliminates the need for bulky heatsinks.
Key Specifications
| Parameter | Value |
|---|---|
| Current | 3A |
| Frequency | 350kHz, 550kHz (fixed), 280kHz to 700kHz (adjustable) |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Synchronous Rectifier | Yes |
| Topology | Buck |
| Voltage - Input (Min/Max) | 3V / 6V |
| Voltage - Output (Fixed) | 3.3V |
Key Features
- 60-mΩ MOSFET switches for high efficiency at 3-A continuous output source and sink current
- Fixed output voltage devices with 1.0% initial accuracy (available in 0.9V, 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V options)
- Internally compensated for low parts count
- Fast transient response
- Wide PWM frequency – fixed 350 kHz, 550 kHz or adjustable 280 kHz to 700 kHz
- Load protected by peak current limit and thermal shutdown
- Integrated solution reduces board area and total cost
- Undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V
- Internally and externally set slow-start circuit to limit in-rush currents
- Powergood output useful for processor/logic reset, fault signaling, and supply sequencing
Applications
The TPS54316PWPRG4 is suitable for a variety of applications, including powering core voltages of microprocessors, FPGAs, DSPs, and other digital ICs. Its high efficiency and compact design make it ideal for use in various electronic systems that require reliable and efficient power management solutions.
Q & A
- What is the maximum output current of the TPS54316PWPRG4?
The maximum output current is 3A. - What are the available output voltages for the TPS54316PWPRG4?
The device is available with fixed output voltages of 0.9V, 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V. - What is the operating temperature range of the TPS54316PWPRG4?
The operating temperature range is -40°C to 85°C. - What type of package does the TPS54316PWPRG4 come in?
The device is available in a 20-pin HTSSOP (PWP) PowerPAD™ package. - Does the TPS54316PWPRG4 have a synchronous rectifier?
Yes, it does have a synchronous rectifier. - What are the fixed PWM frequencies available for the TPS54316PWPRG4?
The fixed PWM frequencies are 350 kHz and 550 kHz, with an adjustable range of 280 kHz to 700 kHz. - How is the TPS54316PWPRG4 protected against overloads?
The device is protected by peak current limit and thermal shutdown. - What is the purpose of the powergood output in the TPS54316PWPRG4?
The powergood output is useful for processor/logic reset, fault signaling, and supply sequencing. - Is the TPS54316PWPRG4 RoHS compliant?
Yes, the device is RoHS compliant. - What software tool does Texas Instruments provide to aid in designing with the TPS54316PWPRG4?
Texas Instruments provides the SWIFT designer software tool.
