Overview
The TPS54360BDDAR from Texas Instruments is a high-performance, 60-V input, 3.5-A step-down DC/DC converter. This device is integrated with a high-side MOSFET and features Texas Instruments' Eco-mode™ for enhanced efficiency at light loads. The TPS54360BDDAR is designed for use in industrial and communications power systems, offering a wide input voltage range, high current capability, and advanced protection features. It is available in an 8-terminal thermally enhanced HSOIC PowerPAD™ package, ensuring efficient heat dissipation and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5 V to 60 V (65 V Abs Max) |
| Continuous Output Current | 3.5 A |
| Peak Inductor Current Limit | 4.5 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 HSOIC with PowerPAD™ |
Key Features
- Current mode control DC/DC converter for simple external compensation and flexible component selection.
- Eco-mode™ for high efficiency at light loads with pulse skipping, reducing no-load supply current to 146 μA.
- Integrated BOOT recharge FET for low dropout at light loads.
- Adjustable UVLO voltage and hysteresis.
- Internal soft start to control the output voltage start-up ramp and eliminate overshoot.
- Accurate cycle-by-cycle current limit and thermal, overvoltage, and frequency foldback protection.
- Synchronizes to an external clock.
- Wide switching frequency range for optimizing efficiency or external component size.
Applications
The TPS54360BDDAR is suitable for various industrial and communications power systems, including:
- 12-V, 24-V, and 48-V power systems.
- Industrial control systems.
- Communications equipment.
- Automotive systems that require high input voltage tolerance and robust protection features.
Q & A
- What is the input voltage range of the TPS54360BDDAR?
The input voltage range is from 4.5 V to 60 V, with an absolute maximum of 65 V.
- What is the continuous output current capability of the TPS54360BDDAR?
The device can handle a continuous output current of 3.5 A.
- What is the high-side MOSFET resistance in the TPS54360BDDAR?
The high-side MOSFET resistance is 92 mΩ.
- How does the Eco-mode™ feature improve efficiency?
The Eco-mode™ reduces no-load supply current to 146 μA by using pulse skipping, which improves efficiency at light loads.
- What is the operating quiescent current of the TPS54360BDDAR?
The operating quiescent current is 146 μA.
- What is the shutdown current when the enable pin is pulled low?
The shutdown current is reduced to 2 μA when the enable pin is pulled low.
- What is the switching frequency range of the TPS54360BDDAR?
The switching frequency range is from 100 kHz to 2.5 MHz.
- Does the TPS54360BDDAR have internal protection features?
Yes, it includes thermal, overvoltage, and frequency foldback protection.
- What is the package type of the TPS54360BDDAR?
The device is available in an 8-terminal thermally enhanced HSOIC PowerPAD™ package.
- What is the operating temperature range of the TPS54360BDDAR?
The operating temperature range is from –40°C to 150°C.
