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 schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | 5-W Inverting Buck-Boost Reference Design | PDF | HTML | Apr. 08, 2022 |
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