NJM79L05UA
Compact negative voltage linear regulators for low-power applications
Manufacturer： ['njr', 'new-japan-radio']
series introduction
# NJM79L05UA Product Series Introduction
## 1. Overview
The NJM79L05UA belongs to a specific product series within the realm of electronic components, specifically voltage regulators. Voltage regulators are crucial in electronic circuits as they ensure a stable output voltage regardless of variations in the input voltage or load current. The NJM79L05UA series is designed to provide a reliable and efficient solution for applications that require a - 5V regulated power supply.
## 2. Key Features
### 2.1 Fixed Output Voltage
The most prominent feature of the NJM79L05UA is its ability to provide a fixed output voltage of - 5V. This fixed voltage output is essential for many electronic devices and circuits that are designed to operate at this specific voltage level. It eliminates the need for additional voltage - adjustment circuitry, simplifying the overall design of the electronic system.
### 2.2 Low Dropout Voltage
The series exhibits a relatively low dropout voltage. Dropout voltage is the minimum difference between the input voltage and the output voltage required for the regulator to maintain a stable output. A low dropout voltage means that the NJM79L05UA can operate effectively even when the input voltage is only slightly higher than the - 5V output voltage. This is particularly useful in battery - powered applications where the battery voltage may decrease over time.
### 2.3 Thermal Shutdown and Current Limiting
To ensure the safety and reliability of the device, the NJM79L05UA is equipped with thermal shutdown and current - limiting features. Thermal shutdown protects the regulator from overheating by automatically shutting off the device when the temperature exceeds a certain threshold. Current limiting, on the other hand, restricts the output current to a safe level, preventing damage to the regulator and other components in the circuit due to excessive current flow.
### 2.4 Small Package Size
The NJM79L05UA is available in a compact package, which is beneficial for applications where space is limited. The small form factor allows for easy integration into printed circuit boards (PCBs) and other electronic assemblies, making it suitable for a wide range of portable and miniaturized devices.
## 3. Electrical Specifications
### 3.1 Input Voltage Range
The NJM79L05UA can accept an input voltage within a certain range. Typically, the input voltage should be higher than the output voltage by the dropout voltage. For example, if the dropout voltage is around 1V, the input voltage should be at least - 6V to ensure proper operation. The maximum input voltage is also specified in the datasheet, and exceeding this value can damage the device.
### 3.2 Output Voltage Tolerance
The output voltage of the NJM79L05UA has a specified tolerance. This tolerance indicates the maximum deviation of the actual output voltage from the nominal - 5V value. A tight output voltage tolerance ensures that the electronic devices powered by the regulator receive a stable and accurate voltage supply, which is crucial for their proper functioning.
### 3.3 Output Current Capacity
The series has a defined output current capacity, which represents the maximum amount of current that the regulator can supply to the load. This value is important when designing circuits, as the load current requirements must be within the output current capacity of the NJM79L05UA to ensure stable operation.
## 4. Applications
### 4.1 Audio Amplifiers
In audio amplifier circuits, the NJM79L05UA can be used to provide a stable - 5V power supply for the bias circuits and other components. A stable power supply is essential for reducing noise and distortion in audio signals, ensuring high - quality sound reproduction.
### 4.2 Communication Devices
Many communication
Images for reference
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TO-243AA
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