| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Case/Package | HTSSOP-20 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.5V ~ 40V |
| Output Current | 300 mA |
| Supply Current | 18µA ~ 400µA |
| Quiescent Current | 40.0 µA |
| Output Capacitor Type | Ceramic |
| voltage rating | 0.32V @200mA |
| Number of Regulated Outputs | 1 Output |
| Input Voltage (Max) | 40 V |
| Input Voltage (Min) | 4 V |
| Output Voltage (Max) | 40 V |
| Output Voltage (Min) | 1.5 V |
| Output Current (Max) | 0.3 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 150℃ |
For automotive off-board sensors and small current off-board modules, the power supply is through a long cable from the main board. In such cases, protection is required in the power devices for the off-board loads to prevent the onboard components from damage during a short to GND or short to battery caused by a broken cable. Off-board sensors require consistent power supply as onboard components to secure high accuracy of data acquisition.
●The TPS7B4253-Q1 device is designed for automotive applications with a 45-V load dump. The device can either be used as one tracking low-dropout (LDO) regulator or voltage tracker to build one closed power loop for off-board sensors with an onboard main supply. The output of the device is accurately regulated by a reference voltage at the ADJ pin.
●To provide an accurate power supply to the off-board modules, the device offers a 4-mV ultralow tracking tolerance between the ADJ and FB pins across temperature. The back-to-back PMOS topology eliminates the need for an external diode under reverse polarity condition. The TPS7B4253-Q1 device also includes thermal shutdown, inductive clamp, overload, and short-to-battery protection to prevent damage to onboard components during extreme conditions.
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