STBP110 Datasheet, PDF (6/40 Pages) STMicroelectronics – Overvoltage protection device

Description
1
Description
STBP110
The STBP110 device provides overvoltage protection for input voltage up to +28 V. Its low
R_DS(on) N-channel MOSFET switch protects the systems connected to the OUT pin against
failures of the DC power supplies in accordance with the China MII Communications
Standard YD/T 1591-2006.
In the event of an input overvoltage condition, the device immediately disconnects the DC
power supply by turning off an internal low R_DS(on) N-channel MOSFET to prevent damage
to protected components.
In addition, the device also monitors its own junction temperature and switches off the
internal MOSFET if the junction temperature exceeds the specified limit.
The device can be controlled by the microcontroller and can also provide status information
about fault conditions.
The STBP110 is offered in a small, RoHS-compliant 8-lead TDFN (2 mm x 2 mm) package.
Figure 1. Logic diagram
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Figure 2. Pinout
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1. Exposed thermal pad may be tied to GND.
Doc ID 018687 Rev 3
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