TS7805CZ
3-pin TO-220 linear voltage regulators, 5V ±4%, 2.2A output
Manufacturer： taiwan-semiconductor
series introduction
# TS7805CZ Product Series Introduction
## 1. Overview
The TS7805CZ belongs to a well - established and highly reliable series of voltage regulators. Voltage regulators are crucial components in electronic circuits as they ensure a stable output voltage regardless of fluctuations in the input voltage or changes in the load current. The TS7805CZ is specifically designed to provide a fixed +5V output voltage, making it an ideal choice for a wide range of electronic applications where a stable 5V power supply is required.
## 2. Key Features
### 2.1 Fixed Output Voltage
The most prominent feature of the TS7805CZ is its ability to deliver a precise and fixed output voltage of +5V. This fixed voltage output is essential for powering various integrated circuits, microcontrollers, and other electronic components that are designed to operate at 5V. The tight voltage regulation ensures the proper functioning of these devices, reducing the risk of malfunctions due to voltage variations.
### 2.2 High Output Current Capability
The TS7805CZ can handle relatively high output currents. It is typically capable of supplying up to 1A of continuous output current, which makes it suitable for powering multiple components simultaneously. This high - current capability allows designers to use a single TS7805CZ regulator to power complex circuits or systems without the need for additional power - sharing or current - boosting components.
### 2.3 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. The TS7805CZ has a relatively low dropout voltage, which means it can operate efficiently even when the input voltage is only slightly higher than the output voltage. This feature is particularly useful in battery - powered applications where conserving battery life is crucial. For example, in a battery - powered device with a gradually decreasing battery voltage, the low dropout voltage of the TS7805CZ allows the device to continue operating properly for a longer period.
### 2.4 Thermal Overload Protection
To prevent damage to the regulator due to excessive heat, the TS7805CZ is equipped with thermal overload protection. When the temperature of the device exceeds a certain threshold, the thermal protection circuit kicks in and reduces the output current or shuts down the regulator temporarily. This self - protection mechanism ensures the long - term reliability and durability of the TS7805CZ, especially in high - power or high - temperature environments.
### 2.5 Short - Circuit Protection
Another important safety feature of the TS7805CZ is short - circuit protection. In the event of a short circuit at the output, the regulator automatically limits the output current to a safe level, preventing damage to the regulator itself and other components in the circuit. This protection feature enhances the overall safety and reliability of the electronic system.
## 3. Package and Pin Configuration
### 3.1 Package Type
The TS7805CZ is commonly available in a TO - 220 package. The TO - 220 package is a popular choice for power - handling components due to its excellent thermal dissipation properties. It has a large metal tab that can be attached to a heat sink, allowing the regulator to dissipate heat effectively and operate at lower temperatures.
### 3.2 Pin Configuration
The TS7805CZ typically has three pins:
- **Input Pin (VIN)**: This pin is connected to the input voltage source. The input voltage must be higher than the output voltage (usually a few volts higher) to ensure proper operation of the regulator.
- **Output Pin (VOUT)**: The regulated +5V output voltage is available at this pin. It is connected to the load circuit that requires a stable 5V
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