| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | HSOP-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 0.76V ~ 7V |
| Output Current | 2 A |
| Number of Positions | 8 Position |
| Quiescent Current | 800 µA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 700 kHz |
| Topology | Buck |
| Input Voltage (Max) | 18 V |
| Input Voltage (Min) | 4.5 V |
| Output Voltage (Max) | 7 V |
| Output Voltage (Min) | 760 mV |
| Output Current (Max) | 2 A |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | 40 ℃ |
| Input Voltage | 4.5V ~ 18V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Bulk |
| Operating Temperature | -40℃ ~ 85℃ (TA) |
The TPS54228 device is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54228 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54228 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-Mode™ operation at light loads. Eco-Mode™ allows the TPS54228 to maintain high efficiency during lighter load conditions. The TPS54228 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54228 is available in 8-pin SO , 8-pin SOIC, and 10-pin VSON packages, and is designed to operate over the ambient temperature range of –40°C to 85°C.
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