Step-up converter regulates an adjustable output up to 28 V from a 2 V to 24 V input supply. The device uses fixed-frequency peak-current-mode control at 1.2 MHz and integrates an 80 mΩ power MOSFET with a 4 A switch current limit. Internal soft-start, undervoltage lockout, current limiting, and thermal shutdown protection are included. The converter operates from -40 °C to 85 °C and is supplied in a 6-pin SOT-23 package.
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| Converter Type | Step-up boost regulator |
| Input Voltage Min | 2V |
| Input Voltage Max | 24V |
| Output Voltage Max | 28V |
| Switching Frequency | 1.2MHz |
| Switch Current Limit | 4A |
| SW On Resistance | 80 typ, 150 maxmΩ |
| Feedback Voltage | 0.6 typV |
| Maximum Duty Cycle | 90% |
| Efficiency | Up to 97% |
| Shutdown Current | 0.1 typ, 1 maxµA |
| Quiescent Current PFM | 100 typ, 200 maxµA |
| Quiescent Current PWM | 1.6 typ, 2.2 maxmA |
| Operating Temperature | -40 to 85°C |
| Thermal Shutdown | 155°C |
| Recommended Inductance | 4.7 to 22µH |
| Package | SOT-23-6 |
| RoHS | Compliant |
| Cnhts | 8542399000 |
| Ushts | 8542390001 |
| Taric | 8542399000 |
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