Description
UA7905CKCS by TI
Product Overview
The UA7905CKCS is a linear voltage regulator designed by Texas Instruments (TI). This device is part of the UA79 series, which offers a range of fixed output voltages. The UA7905CKCS specifically provides a fixed output voltage of -5V.
Key Features
- Input Voltage: The device can operate with input voltages ranging from -7V to -20V.
- Output Voltage: The UA7905CKCS provides a fixed output voltage of -5V.
- Output Current: It can supply up to 1A of output current.
- Line Regulation: The line regulation of the device is typically 0.01% per volt change in input voltage, reflecting its stable output under varying input conditions.
- Load Regulation: The load regulation is typically 0.1% no load to full load, ensuring minimal change in output voltage with changes in load current.
- Dropout Voltage: The dropout voltage (the difference between input and output voltage at which the regulator starts to lose its regulation capabilities) is about 2V, allowing for efficient operation even when the input voltage is close to the desired output voltage.
- Operating Temperature Range: The device can operate over a temperature range of 0°C to 125°C, making it suitable for a wide range of applications.
Package and Pinout
The UA7905CKCS is available in a TO-3 package, which is suitable for high-power applications requiring good thermal dissipation. The pinout includes:
- Input: The input pin connects to the negative supply voltage.
- Output: The output pin provides the regulated -5V.
- Ground: This pin is connected to the ground of the system.
Applications
This voltage regulator is used in a variety of applications requiring a stable -5V supply, such as:
- Analog Circuits: Op-amps, comparators, and other analog ICs may require a negative supply voltage.
- Digital Circuits: Certain digital integrated circuits or systems might need a -5V supply for operation.
- Power Supplies: The UA7905CKCS can be used as part of a larger power supply system to generate a -5V rail.
- Telecommunication Equipment: It can be utilized in the power supply modules of telecommunication devices.
Specifications
- Maximum Input Voltage: -20V
- Minimum Input Voltage: -7V
- Fixed Output Voltage: -5V
- Maximum Output Current: 1A
- Operating Temperature: 0°C to 125°C
Ordering Information
The UA7905CKCS by TI is available for purchase through authorized distributors and the manufacturer’s website. It is recommended to verify the current pricing and availability.
Datasheet
For detailed specifications, application notes, and performance characteristics, refer to the official datasheet provided by Texas Instruments.
Disclaimer: The specifications and features listed are subject to change and might not reflect the currentstatus. For the most accurate and up-to-date information, consult the manufacturer’s official documentation or contact their support.