TEXAS INSTRUMENTS TPS84250EVM-001 评估模块, TPS84250 2.5A 降压转换器
The evaluation module helps the designers to evaluate the performance of TPS84250 integrated power solution. The output voltage can be set to one of five popular values by using a simple configuration jumper. Similarly, the switching frequency can be set to one of four values by use of a jumper. The full, 2.5A-rated output current can be supplied by the EVM. A minimal amount of input and output capacitance is used on the board. Component pads are provided for additional input and output capacitors if desired. A simple 5V pullup supply for the PWRGD pin is provided on the EVM. It is powered from the input voltage supply. Test points are provided that allow measurement of efficiency, power dissipation, input ripple, output ripple, line and load regulation, soft start behaviour, transient response, and undervoltage lockout behaviour. The EVM uses a recommended printed circuit board layout that maximizes thermal performance and minimizes output ripple and noise.
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- Jumper selectable output voltage
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- Adjustable soft start
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- Adjustable turn on UVLO
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- Output adjustable from 2.5V to 15V
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- Adjustable switching frequency from 300KHz to 1MHz
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- Synchronizes to an external clock
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- 65V surge capability
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- Efficiencies up to 96%
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- Small footprint, low profile design