Overview
The Texas Instruments UA7812CKTTR is a fixed-voltage integrated-circuit voltage regulator designed for a wide range of applications. This device is part of the UA78 series, which offers various fixed output voltages, including 5V, 8V, 10V, 12V, 15V, and 24V. The UA7812CKTTR specifically provides a regulated output voltage of 12V. It is known for its high reliability, internal protection features, and ease of use, making it suitable for on-card regulation to eliminate noise and distribution problems associated with single-point regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 12 | V |
| Output Current | Up to 1.5 | A |
| Package Type | TO-263 (KTT) | |
| Number of Pins | 3 | |
| Operating Temperature Range | 0 to 125 | °C |
| Dropout Voltage | 2 | V |
| Bias Current | 4.3 to 8 | mA |
| Short-Circuit Output Current | 350 to 450 | mA |
| Peak Output Current | 2.2 | A |
Key Features
- 3-Terminal Regulator
- Internal Thermal-Overload Protection
- Internal Short-Circuit Current Limiting
- Output Transistor Safe-Area Compensation
- No Output Capacitor Needed for Stability
- High Power-Dissipation Capability
- Available in fixed voltage options (5V, 8V, 10V, 12V, 15V, 24V)
- Can be used with external components to obtain adjustable output voltages and currents
- Can be used as the power-pass element in precision regulators
Applications
- On-card regulation for elimination of noise and distribution problems associated with single-point regulation
- Portable devices
- Computing and servers
- Telecommunications
- Local regulation in various electronic systems
Q & A
- What is the output voltage of the UA7812CKTTR?
The output voltage of the UA7812CKTTR is 12V.
- What is the maximum output current of the UA7812CKTTR?
The maximum output current of the UA7812CKTTR is up to 1.5A.
- What type of package does the UA7812CKTTR come in?
The UA7812CKTTR comes in a TO-263 (KTT) package.
- What is the operating temperature range of the UA7812CKTTR?
The operating temperature range of the UA7812CKTTR is from 0°C to 125°C.
- Does the UA7812CKTTR require an output capacitor for stability?
No, the UA7812CKTTR does not require an output capacitor for stability.
- What are the internal protection features of the UA7812CKTTR?
The UA7812CKTTR has internal thermal-overload protection, short-circuit current limiting, and output transistor safe-area compensation.
- Can the UA7812CKTTR be used in adjustable voltage applications?
Yes, the UA7812CKTTR can be used with external components to obtain adjustable output voltages and currents.
- What is the dropout voltage of the UA7812CKTTR?
The dropout voltage of the UA7812CKTTR is 2V.
- What are some common applications of the UA7812CKTTR?
Common applications include on-card regulation, portable devices, computing and servers, and telecommunications.
- How many pins does the UA7812CKTTR have?
The UA7812CKTTR has 3 pins.
