Dual-output step-down DC/DC controller IC, featuring a 590kHz switching frequency. Supports input voltages from 4.5V to 28V, with adjustable output voltages ranging from 0.8V to 7V. Each output can deliver up to 25.25A. Housed in a 32-pin QFN EP package with a 5mm x 5mm footprint, designed for surface mounting. Operating temperature range is -40°C to 85°C.
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Analog Devices LTC3728LIUH technical specifications.
| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | QFN EP |
| Package Description | Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 32 |
| PCB | 32 |
| Package Length (mm) | 5 |
| Package Width (mm) | 5 |
| Package Height (mm) | 0.75(Max) |
| Seated Plane Height (mm) | 0.75 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Topology | Step Down |
| Input Voltage | 2%V |
| Number of Outputs | 2 |
| Output Voltage | 0.8 to 7V |
| Typical Output Current | 25.25|25.25A |
| Maximum Switching Frequency | 590kHz |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Maximum Input Voltage | 28V |
| Minimum Input Voltage | 4.5V |
| Operating Supply Voltage | 4.5 to 28V |
| Maximum Supply Current | 0.45(Typ)mA |
| Cage Code | 24355 |
| EU RoHS | No |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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