| Allicdata Part #: | NCV4949ADWR2G-ND |
| Manufacturer Part#: |
NCV4949ADWR2G |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ON Semiconductor |
| Short Description: | IC REG LINEAR 5V 100MA 20SOIC |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  NCV4949ADWR2G Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Current - Output: | 100mA |
| Base Part Number: | NCV4949A |
| Supplier Device Package: | 20-SOIC |
| Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C |
| Protection Features: | Over Temperature, Short Circuit |
| Control Features: | Reset |
| PSRR: | -- |
| Current - Supply (Max): | 5mA |
| Current - Quiescent (Iq): | 260µA |
| Series: | Automotive, AEC-Q100 |
| Voltage Dropout (Max): | 0.5V @ 100mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 5V |
| Voltage - Input (Max): | 28V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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NCV4949ADWR2G is a voltage regulator with low quiescent current. It is a part of the PMIC (power management integrated circuit) family and is specifically classified as a linear voltage regulator. It is a dual output voltage regulator that is designed for efficient power output for systems that must meet low power requirements. The NCV4949ADWR2G is capable of providing both positive and negative output voltage rail from any one of its two inputs. It has a slew rate of 2.4μs and can operate a wide range of voltages from 0.8V to 16V. It also has an adjustable current limiting function which provides additional protection for the system against overloads or short circuits. The chip is provided in an 8-pin SOT23 surface mount package, which allows for easy integration into the system.The most common application field of the NCV4949ADWR2G is the automotive industry. The chip is very suitable for providing stable power supply in those vehicles with strict power requirements. It can also be used in different applications such as battery management systems, audio amplifiers and digital circuits.The working principle of the NCV4949ADWR2G is based on the linear regulator theory. It uses an external power transistor to control the output voltage. When the input voltage is higher than the output voltage, the transistor is turned on and the current passes through the transistor to the output. When the input voltage is lower than the output voltage, the transistor is turned off, thus ceasing the current from passing from the input to the output. The other important component of the regulator is the error amplifier. The error amplifier senses the difference between the input voltage and the output voltage. When the input voltage is higher than the output, the amplifier will increase the collector voltage of the transistor causing it to turn on and pass current. When the input voltage is lower than the output, the amplifier will reduce the collector voltage of the transistor causing it to turn off, thus ceasing the current from passing from the input to the output.The NCV4949ADWR2G also includes protection functions to help prevent damage from various external conditions. It includes a thermal shutdown feature which will reduce the current flow when the temperature reaches a certain level. It also includes a UVLO (Under Voltage Lock Out) feature which will shut down the current flow if the input voltage falls below a certain voltage. It also includes a short circuit protection feature which will disconnect the output voltage when a short is detected between the input and output.In conclusion, the NCV4949ADWR2G is a linear voltage regulator with low quiescent current that can provide both positive and negative output voltage rails. It is mostly used in automotive applications but also suitable for other applications that require low power requirements. It is built with protection features that improve the system\'s robustness and secure it against various external conditions.
The specific data is subject to PDF, and the above content is for reference
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