The synchronous buck-boost converter regulates outputs when the input voltage is above or below the output. It operates from a 2 V to 16 V input range and supports 2.5 V to 9 V outputs with up to 95% efficiency. The device provides up to 2 A output current in buck mode and boost mode, with a 2.4 MHz fixed switching frequency and synchronization option. It includes power-save operation, load disconnect during shutdown, power-good output, output discharge, overtemperature protection, and input and output overvoltage protection. The package is a 15-pin VQFN-HR with a 3 mm by 2.5 mm nominal body size.
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| Topology | Buck-Boost |
| Input voltage minimum | 2V |
| Input voltage maximum | 16V |
| Output voltage minimum | 2.5V |
| Output voltage maximum | 9V |
| Output current in buck mode | 2A |
| Output current in boost mode | 2A |
| Switch current limit typical | 3.6A |
| Switching frequency | 2.4MHz |
| Efficiency maximum | 95% |
| Quiescent current typical | 50µA |
| Duty cycle maximum | 100% |
| PWM mode DC accuracy | ±1% |
| PFM mode DC accuracy | +3 / -1% |
| Operating temperature range | -40 to 125°C |
| Package | VQFN-HR (RNM), 15 pins |
| Package size | 3 x 2.5mm |
| RoHS | Yes |
| REACH | Yes |
| Lead Finish / Ball Material | Sn |
| Msl Rating / Peak Reflow | Level-1-260C-UNLIM |
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