| Allicdata Part #: | NJM78L09A-ND |
| Manufacturer Part#: |
NJM78L09A |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | NJR Corporation/NJRC |
| Short Description: | IC REG LINEAR 9V 100MA TO92-3 |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  NJM78L09A Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage Dropout (Max): | -- |
| Supplier Device Package: | TO-92-3 |
| Package / Case: | TO-226-3, TO-92-3 (TO-226AA) |
| Mounting Type: | Through Hole |
| Operating Temperature: | -40°C ~ 85°C |
| Protection Features: | Over Temperature, Short Circuit |
| Control Features: | -- |
| PSRR: | 65dB (120Hz) |
| Current - Quiescent (Iq): | 6mA |
| Current - Output: | 100mA |
| Series: | -- |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 9V |
| Voltage - Input (Max): | 30V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Obsolete |
| Packaging: | Tube |
Description
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NJM78L09A Application Field and Working Principle
NJM78L09A is a voltage regulator which belongs to a linear voltage regulator series. It is widely used in various electronic devices and is an essential part of power supply design. This article will provide an overview of NJM78L09A, including its application field and working principle.
Application Field of NJM78L09A
NJM78L09A is a three-terminal voltage regulator contained in an 8-pin Plastic Small Outline (PSO) package. It is a convenient and low-cost device for applications that require tight output voltage accuracy and can operate at power levels up to up to 500mW. Therefore, NJM78L09A is suitable for use in all kinds of electronic devices including:
- Industrial, test and measurement equipment
- High-end consumer products
- Consumer audio equipment and digital video players
- Telecom standard base parties, modems and power supplies
Working Principle of NJM78L09A
NJM78L09A is a linear voltage regulator, which uses the current comparison principle. It uses two transistors, a paraelectric transistor on the input side and a voltage-controlled transistor on the output side. The working principle of the NJM78L09A is as follows:
- When the input is greater than the reference voltage, a current flows into the paraelectric transistor and the output voltage increases.
- The output voltage is regulated by the voltage-controlled transistor to maintain a constant voltage on the output side.
- Any changes in the input voltage will cause the output voltage to be adjusted to compensate the difference.
The significance of using the current comparison principle to maintain the constant output voltage is that the NJM78L09A can maintain a very high output voltage accuracy, even under load conditions where the load current changes significantly.
Conclusion
In summary, NJM78L09A is a three-terminal voltage regulator which uses the current comparison principle to maintain a constant output voltage. It is suitable for use in a wide range of consumer electronics and industrial equipment, including consumer audio and video players, modems and power supplies. Its main advantage is its ability to maintain a very high output voltage accuracy even in changing load conditions.
The specific data is subject to PDF, and the above content is for reference
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