Overview
The TPS75515KCG3 is a 5-A low-dropout (LDO) voltage regulator from Texas Instruments, part of the TPS755xx family. This device is available in a fixed 1.5-V output voltage and is designed to provide high current with minimal voltage drop. It features an integrated power-good (PG) indicator and is suitable for applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 1.5 V (fixed) |
| Output Current | Up to 5 A |
| Dropout Voltage | Typically 250 mV at 5 A |
| Quiescent Current | Typically 125 µA at full load |
| Output Voltage Tolerance | 3% over line, load, and temperature |
| Package | 5-pin TO-220 (KC) |
| Junction Temperature Range | -40°C to 125°C |
| Thermal Shutdown Protection | Yes, at 150°C |
| Power-Good (PG) Indicator | Open drain, active low |
| Enable (EN) Pin | Logic high for shutdown, logic low for enable |
Key Features
- High current capability up to 5 A
- Low dropout voltage of typically 250 mV at 5 A
- Integrated power-good (PG) indicator for output voltage monitoring
- Fast transient response for large load current changes
- Low quiescent current of typically 125 µA at full load
- Thermal shutdown protection at 150°C
- Available in 5-pin TO-220 (KC) package
Applications
The TPS75515KCG3 is suitable for a variety of applications requiring high current and stable voltage regulation, such as:
- Power supplies for industrial and consumer electronics
- Telecommunication equipment
- Automotive systems
- Medical devices
- Embedded systems and microcontrollers
Q & A
- What is the output voltage of the TPS75515KCG3?
The output voltage is fixed at 1.5 V. - What is the maximum output current of the TPS75515KCG3?
The maximum output current is up to 5 A. - What is the typical dropout voltage of the TPS75515KCG3 at 5 A?
The typical dropout voltage is 250 mV at 5 A. - How does the power-good (PG) indicator work?
The PG indicator is an open drain, active low output that indicates when the output voltage reaches approximately 91% of the regulated voltage. - What is the quiescent current of the TPS75515KCG3 at full load?
The quiescent current is typically 125 µA at full load. - What is the thermal shutdown protection temperature?
The thermal shutdown protection is activated at 150°C. - In what package is the TPS75515KCG3 available?
The device is available in a 5-pin TO-220 (KC) package. - What is the junction temperature range for the TPS75515KCG3?
The junction temperature range is -40°C to 125°C. - How does the enable (EN) pin function?
The EN pin enables the device when it is at a logic low and shuts it down when it is at a logic high. - What is the output voltage tolerance of the TPS75515KCG3?
The output voltage tolerance is 3% over line, load, and temperature.
