Overview
The TPS54560DDAR from Texas Instruments is a high-performance, 60 V, 5 A step-down DC-DC converter designed for a wide range of applications. This device features an integrated high-side n-channel MOSFET and operates in a current mode control architecture, which simplifies external compensation and allows for flexible component selection. The TPS54560 is notable for its high efficiency at light loads, achieved through its Eco-mode™ operation, which includes a pulse skipping mode that reduces the no-load supply current to 146 µA. The device also has a low shutdown current of 2 µA when the enable pin is pulled low.
The TPS54560 is packaged in an 8-terminal thermally enhanced HSOP PowerPAD™ package, ensuring efficient heat dissipation. It supports a wide operating temperature range of –40°C to 150°C, making it suitable for various industrial, automotive, and communications power systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 60 | V |
| Output Current | 5 | A |
| High-Side MOSFET Resistance | 92 mΩ | |
| Operating Quiescent Current | 146 µA | |
| Shutdown Current | 2 µA | |
| Switching Frequency Range | 100 kHz to 2.5 MHz | |
| Internal Voltage Reference | 0.8 V ±1% | |
| Operating Temperature Range | –40°C to 150°C | |
| Package Type | 8-Terminal HSOP with PowerPAD™ |
Key Features
- High efficiency at light loads with Eco-mode™ and pulse skipping mode
- Integrated high-side n-channel MOSFET with 92 mΩ resistance
- Low quiescent current of 146 µA and shutdown current of 2 µA
- Wide switching frequency range of 100 kHz to 2.5 MHz, synchronizable to an external clock
- Low dropout at light loads with integrated BOOT recharge FET
- Adjustable undervoltage lockout (UVLO) voltage and hysteresis
- Internal 0.8 V ±1% voltage reference
- Thermally enhanced HSOP PowerPAD™ package for efficient heat dissipation
- Wide operating temperature range of –40°C to 150°C
Applications
- Industrial Automation and Motor Control
- Vehicle Accessories: GPS, Entertainment Systems
- 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 TPS54560?
The input voltage range of the TPS54560 is from 4.5 V to 60 V.
- What is the maximum output current of the TPS54560?
The maximum output current of the TPS54560 is 5 A.
- What is the resistance of the high-side MOSFET in the TPS54560?
The resistance of the high-side MOSFET in the TPS54560 is 92 mΩ.
- What is the operating quiescent current of the TPS54560?
The operating quiescent current of the TPS54560 is 146 µA.
- What is the shutdown current of the TPS54560?
The shutdown current of the TPS54560 is 2 µA.
- What is the switching frequency range of the TPS54560?
The switching frequency range of the TPS54560 is from 100 kHz to 2.5 MHz.
- Can the TPS54560 synchronize with an external clock?
Yes, the TPS54560 can synchronize with an external clock.
- What is the internal voltage reference of the TPS54560?
The internal voltage reference of the TPS54560 is 0.8 V ±1%.
- What is the operating temperature range of the TPS54560?
The operating temperature range of the TPS54560 is from –40°C to 150°C.
- In what package is the TPS54560 available?
The TPS54560 is available in an 8-terminal thermally enhanced HSOP PowerPAD™ package.
