| 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 | 650 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 | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 85℃ |
The TPS54229DDAR is an adaptive on-time D-CAP2™ mode synchronous Buck Converter for use with digital set-top box (STB). The TPS54229 enables system designers to complete the suite of various end equipment"s power bus regulators with low component count and low standby current solution. The main control loop for the TPS54229 uses the D-CAP2™ mode control which provides a fast transient response with no external compensation components. The TPS54229 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 to 18V VIN input. The output voltage can be programmed between 0.76 and 7V. The device also features an adjustable soft-start time.
● D-CAP2™ mode enables fast transient response
● Low output ripple and allows ceramic output capacitor
● Highly efficient integrated FETs optimized for lower duty cycle applications
● High initial bandgap reference accuracy
● Adjustable soft-start
● pre-biased soft-start
● Cycle-by-cycle overcurrent limit
● High efficiency, less than 10µA at shutdown
● Green product and no Sb/Br
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