This telecom reference design features a highly effective 100-W, 4-switch buck-boost. The converter allows to drive a 32-V RF LDMOS out of a wide input range 17 V to 57 V with peak efficiency 98% plus. An input filter is implemented to reduce conducted emissions to source. Additionally, a spread spectrum function and/or fixed PWM mode can be activated through a jumper. Lastly, the switching frequency can be synchronized by base station oven oscillator (30.72 MHz/128 = 240 kHz) to improve radio frequency performance.
| Output voltage options | PMP30549.1 |
|---|---|
| Vin (Min) (V) | 17 |
| Vin (Max) (V) | 52 |
| Vout (Nom) (V) | 32 |
| Iout (Max) (A) | 3 |
| Output Power (W) | 96 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Buck Boost- 4 Switch |
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
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Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | High Efficient 32-V / 3-A Synchronous 4-Switch Buck-Boost Reference Design | Dec. 19, 2018 |
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