
Allicdata Part #: | NCP3712ASNT3-ND |
Manufacturer Part#: |
NCP3712ASNT3 |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | ON Semiconductor |
Short Description: | IC SWITCH OVP HIGH SIDE SC74-6 |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Obsolete |
Moisture Sensitivity Level (MSL): | -- |
Voltage - Clamping: | -- |
Technology: | Mixed Technology |
Number of Circuits: | 1 |
Applications: | General Purpose |
Mounting Type: | Surface Mount |
Package / Case: | SC-74, SOT-457 |
Supplier Device Package: | SC-74 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
The NCP3712ASNT3 is a mixed technology bi-directional transient voltage suppressor (TVS) aimed to protect electronic components from over voltages in automotive, telecom and industrial environments. It provides protection against bi-directional transients on automotive load dump, CDM, ESD on IEC and Human Body Model, and EFT (Electrical Fast Transient) per IEC according to a wide working temperature range of -55°C to 175°C and a wide operating voltage range of 2V- 40V. The chip also has excellent stability and low leakage current that\'s below 2mA.
The NCP3712ASNT3 TVS is designed to perform as a clamping component and thus blocks the high transients induced by any abnormal voltage conditions. It reduces these transient voltages below a specific threshold, usually 3.3V or 5V. The chip is designed to have a low capacitance between its two terminals and thus offers excellent transient performance without affecting the waveforms of the signal.
The NCP3712ASNT3 is composed of several integrated components. At its core, the chip employs a silicon avalanche diode for the majority of its protection. It also contains a zener diode in series with a voltage divider network to fine-tune the clamping voltage. On top of that, it contains two MOSFETs controlled by the voltage divider to sense transients quickly. The TVS also consists of two resistors connected in series for signal suppression and two capacitors connected in parallel for filtering. All of these components work together to provide a highly robust protection against over voltage transients.
The NCP3712ASNT3 is typically connected between two signals or between a signal and ground. In the case of series connection, the device provides ESD protection for example on power or data lines. In the case of parallel connection, it performs CDM protection on the output of an IC. In either case, the NCP3712ASNT3 works by providing a very low capacitance shunt circuit which acts as a voltage regulator, clamping the peak voltage to a stable level.
Once the voltage drops passed the threshold level, the two MOSFETs inside the chip enter into the “off state” and the current flow stops and the circuit is reset for the next transient. The device also has an internal gate protection feature that helps to avoid over clamping. And once it reaches the stable threshold limit, the two MOSFETs are again activated and the circuit is ready to absorb and divert any further transients.
The NCP3712ASNT3 can be used in telecommunications, industrial and automotive applications to efficiently protect sensitive equipment from transient over voltages. It is a very attractive TVS for automotive systems, especially those with resistive loads. In automotive applications, the device is capable of rapidly detecting input voltage edges, making it a perfect solution for EMV applications.
In conclusion, the NCP3712ASNT3 is an effective and highly reliable mixed technology TVS designed to protect your system from transient voltages. It is composed of several integrated components and features low capacitance between its two terminals, enhancing the protection and the low-clamping threshold really sets it apart from other devices. This is why the NCP3712ASNT3 is a great solution for a large range of applications where transient suppression is necessary.
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