Overview
The TPS84250RKGR from Texas Instruments is a highly integrated power solution designed for a wide range of applications. This 2.5-A DC/DC converter is packaged in a compact, low-profile QFN package, measuring 9 mm × 11 mm × 2.8 mm. It combines the converter, inductor, and necessary passives into a single module, simplifying the design process and reducing the number of external components required. The device is ideal for point-of-load designs, offering high efficiency and excellent thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 7 to 50 | V |
| Output Voltage Range | 2.5 to 15 | V |
| Output Current | Up to 2.5 | A |
| Switching Frequency Range | 300 kHz to 1 MHz | |
| Efficiency | Up to 96% | % |
| Surge Capability | 65 V | V |
| Operating Temperature Range | -40 to +85 | °C |
| Thermal Shutdown | 180 °C | °C |
| Junction-to-Ambient Thermal Resistance | 14 °C/W | °C/W |
Key Features
- Wide input-voltage range from 7 V to 50 V
- Output voltage adjustable from 2.5 V to 15 V
- 65-V surge capability
- Adjustable switching frequency (300 kHz to 1 MHz)
- Synchronizes to an external clock
- Adjustable slow start and output voltage sequencing and tracking
- Power-good output
- Programmable undervoltage lockout (UVLO)
- Output overcurrent protection and overtemperature protection
- Prebias output start-up
- Meets EN55022 Class B emissions
Applications
- Industrial and motor controls
- Automated test equipment
- Medical and imaging equipment
- High-density power systems
Q & A
- What is the input voltage range of the TPS84250RKGR?
The input voltage range is from 7 V to 50 V. - What is the maximum output current of the TPS84250RKGR?
The maximum output current is up to 2.5 A. - What is the switching frequency range of the TPS84250RKGR?
The switching frequency range is from 300 kHz to 1 MHz. - Does the TPS84250RKGR have overcurrent protection?
Yes, it has output overcurrent protection. - What is the operating temperature range of the TPS84250RKGR?
The operating temperature range is from -40°C to +85°C. - Can the TPS84250RKGR synchronize with an external clock?
Yes, it can synchronize with an external clock. - What is the thermal shutdown temperature of the TPS84250RKGR?
The thermal shutdown temperature is 180°C. - Does the TPS84250RKGR meet any specific emissions standards?
Yes, it meets EN55022 Class B emissions standards. - How is the output voltage adjusted on the TPS84250RKGR?
The output voltage is adjusted using the RSET resistor connected between the VOUT node and the VADJ pin. - What type of capacitors are recommended for use with the TPS84250RKGR?
High-quality, computer-grade electrolytic or polymer-electrolytic capacitors are recommended.
