| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 10 Pin |
| Case/Package | PowerPad-MSOP-10 |
| Number of Outputs | 1 Output |
| Output Voltage | 0.8V ~ 39V |
| Output Current | 2.5 A |
| Quiescent Current | 138 µA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 100kHz ~ 2.5MHz |
| Input Voltage (Max) | 42 V |
| Input Voltage (Min) | 3.5 V |
| Output Voltage (Max) | 39 V |
| Output Voltage (Min) | 0.8 V |
| Output Current (Max) | 2.5 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Input Voltage | 42 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 125℃ (TA) |
The TPS54240-Q1 device is a 42-V, 2.5-A, step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no-load, regulated-output supply current to 138 µA. Using the enable pin, shutdown supply current is reduced to 1.3 µA when the enable pin is low.
●Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage start-up ramp is controlled by the slow-start pin that can also be configured for sequencing/tracking. An open-drain power-good signal indicates the output is within 94% to 107% of its nominal voltage.
●A wide switching-frequency range allows efficiency and external component size to be optimized. Frequency foldback and thermal shutdown protects the part during an overload condition.
●The TPS54240-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD package.
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