TYPE | DESCRIPTION |
---|
Number of Pins | 16 Pin |
Case/Package | VQFN-16 |
Number of Outputs | 1 Output |
Output Voltage | 0.6V ~ 5.5V |
Quiescent Current | 920 µA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 1000 kHz |
Topology | Buck |
Duty Cycle | 90 % |
Input Voltage (Max) | 28 V |
Input Voltage (Min) | 3 V |
Maximum Duty Cycle | 90 % |
Operating Temperature (Max) | 85 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage | 4.5V ~ 28V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 85℃ (TA) |
The TPS53819A device is a small-sized, single buck controller with adaptive on-time D-CAP2 mode control and PMBus. The device is suitable for low output voltage and high current, system power rail, or similar point-of-load (POL) power supply in digital consumer products. Small package with minimal pin-count saves space on the PCB, while the programmability and fault report via PMBus simplify the power supply design. The skip-mode at light-load condition combined with strong gate drivers and low-side FET on-resistance (RDS(on)) current sensing can support low-loss and high efficiency operation, over a broad load range. The conversion input voltage, which is the high-side FET drain voltage, ranges from 3 V to 28 V. The supply voltage (VDD) is from 4.5 V to 28 V. The output voltage ranges from 0.6 V to 5.5 V. The device is available in a 16-pin, QFN package and is specified from –40°C to 85°C.
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