| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | SOIC-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.22V ~ 31V |
| Output Current | 5 A |
| Number of Positions | 8 Position |
| Quiescent Current | 3.00 mA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 500 kHz |
| Topology | Buck |
| Input Voltage (Max) | 36 V |
| Input Voltage (Min) | 5.5 V |
| Output Voltage (Max) | 31 V |
| Output Voltage (Min) | 1.22 V |
| Output Current (Max) | 5 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 5.5 V |
| Input Voltage | 5.5V ~ 36V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 5 mm |
| Size-Width | 4 mm |
| Size-Height | 1.55 mm |
| Operating Temperature | -40℃ ~ 125℃ |
The TPS5450 is a high-output-current PWM converter that integrates a low-resistance, high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5 V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18 μA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5450 feedback loop is internally compensated.
●The TPS5450 device is available in a thermally-enhanced, 8-pin SOIC PowerPAD package. TI provides evaluation modules and software tool to aid in achieving high-performance power supply designs to meet aggressive equipment development cycles.
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