This tiny inverting buck boost provides negative voltage up to -45 V out of input voltage 5.2 V for lidar applications. Maximum load current is limited to 120 mA. For bigger loads, use TPS54260 or TPS54360. These buck devices are suitable for high duty-cycle range and easy startup below 5-V input.
| Output voltage options | PMP30942.1 |
|---|---|
| Vin (Min) (V) | 4.7 |
| Vin (Max) (V) | 5.7 |
| Vout (Nom) (V) | -45 |
| Iout (Max) (A) | .12 |
| Output Power (W) | 5.4 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Buck Boost- Inverting |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Test results for the reference design, including efficiency graphs, test prerequisites and more
Detailed overview of design layout for component placement
Complete listing of design components, reference designators, and manufacturers/part numbers
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Design file that contains information on physical board layer of design PCB
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Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | 5-W Inverting Buck-Boost Reference Design | PDF | HTML | Apr 8, 2022 |
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