Overview
The TPS54560DDA from Texas Instruments is a high-performance, 60 V, 5 A step-down DC-DC converter with an integrated high-side n-channel MOSFET. This device is designed to provide high efficiency and robust performance in a variety of applications. It features a wide input voltage range of 4.5 V to 60 V and supports output currents up to 5 A. The TPS54560DDA incorporates advanced features such as pulse skipping Eco-mode for improved efficiency at light loads, adjustable undervoltage lockout (UVLO), and a phase-locked loop (PLL) for synchronization with an external clock. The device is available in an 8-terminal HSOP (Heat Sink Outline Package) with PowerPAD™, enhancing thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 60 | V |
| Output Current | Up to 5 | A |
| Switching Frequency Range | 100 kHz to 2.5 MHz | |
| High-Side MOSFET Resistance | 92 mΩ | |
| Operating Quiescent Current | 146 μA | |
| Shutdown Current | 2 μA | |
| Internal Voltage Reference | 0.8 V ±1% | |
| Operating Junction Temperature Range | –40°C to 150°C | |
| Package Type | 8-Terminal HSOP with PowerPAD™ |
Key Features
- High Efficiency at Light Loads with Pulse Skipping Eco-mode™
- 92-mΩ High-Side MOSFET
- 146 μA Operating Quiescent Current and 2 μA Shutdown Current
- 100 kHz to 2.5 MHz Fixed Switching Frequency
- Synchronizes to External Clock
- Low Dropout at Light Loads with Integrated BOOT Recharge FET
- Adjustable UVLO Voltage and Hysteresis
- 0.8 V 1% Internal Voltage Reference
- 8-Terminal HSOP with PowerPAD™ Package
- –40°C to 150°C TJ Operating Range
- Create a Custom Design using the WEBENCH® Power Designer
Applications
- Industrial Automation and Motor Control
- Vehicle Accessories: GPS, Entertainment
- USB Dedicated Charging Ports and Battery Chargers
- 12 V, 24 V, and 48 V Industrial, Automotive, and Communications Power Systems
Q & A
- What is the input voltage range of the TPS54560DDA?
The input voltage range is from 4.5 V to 60 V. - What is the maximum output current of the TPS54560DDA?
The maximum output current is up to 5 A. - What is the switching frequency range of the TPS54560DDA?
The switching frequency range is from 100 kHz to 2.5 MHz. - What is the resistance of the high-side MOSFET in the TPS54560DDA?
The high-side MOSFET resistance is 92 mΩ. - What is the operating quiescent current of the TPS54560DDA?
The operating quiescent current is 146 μA. - How does the TPS54560DDA handle load dump pulses?
The device survives load dump pulses up to 65 V per ISO 7637. - What is the package type of the TPS54560DDA?
The package type is an 8-Terminal HSOP with PowerPAD™. - What is the operating junction temperature range of the TPS54560DDA?
The operating junction temperature range is from –40°C to 150°C. - Can the TPS54560DDA be synchronized with an external clock?
Yes, the device can be synchronized with an external clock using its phase-locked loop (PLL). - What is the purpose of the pulse skipping Eco-mode in the TPS54560DDA?
The pulse skipping Eco-mode improves efficiency at light loads by reducing switching and gate drive losses.
