TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 8 Pin |
Case/Package | HSOP-8 |
Number of Outputs | 1 Output |
Output Voltage | 2V ~ 40V |
Output Current | 150 mA |
Quiescent Current | 60.0 µA |
Output Capacitor Type | Ceramic |
voltage rating | 0.16V @100mA |
Number of Regulated Outputs | 1 Output |
Input Voltage (Max) | 40 V |
Input Voltage (Min) | 4 V |
Output Current (Max) | 0.15 A |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Input Voltage | 40 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 150℃ |
For automotive off-board sensors and low-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 a power supply as consistent as that for onboard components to secure high accuracy of data acquisition.
●The TPS7B4254-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 as a 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 a reverse-polarity condition. The TPS7B4254-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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