Overview
The TPS75933KTTTG3 is a 7.5-A low-dropout (LDO) voltage regulator produced by Texas Instruments. This device is part of the TPS759xx family, which includes fixed-output and adjustable versions. The TPS75933KTTTG3 specifically provides a fixed output voltage of 3.3V with a maximum current capability of 7.5A. It is designed for use in various applications where a stable and regulated voltage supply is essential.
This regulator features a low dropout voltage, high power supply rejection ratio (PSRR), and fast transient response, making it suitable for demanding applications. It also includes several protection features such as overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) to ensure the device's reliability and safety.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 3.3 V |
| Maximum Output Current | 7.5 A |
| Minimum Input Voltage | 2.8 V |
| Maximum Input Voltage | 5.5 V |
| Dropout Voltage at 7.5 A | Typically 400 mV |
| Quiescent Current | Typically 125 µA |
| Output Voltage Tolerance | ±3% over specified conditions |
| Line Regulation | 0.04%/V (Typ) |
| Load Regulation | 0.35%/V (Typ) |
| Power Supply Ripple Rejection (PSRR) at 100 Hz | 58 dB |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | TO-263 (KTT), DDPAK-6 |
| Pins | 5 |
Key Features
- Fixed output voltage of 3.3 V
- Maximum current capability of 7.5 A
- Low dropout voltage of typically 400 mV at 7.5 A
- High power supply rejection ratio (PSRR) of 58 dB at 100 Hz
- Enable and Power Good control features
- Overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) protection features
- Fast transient response for large load current changes
- Available in 5-pin TO-220 and TO-263 surface-mount packages
- Thermal shutdown protection
Applications
- Power management systems
- Consumer electronics
- Industrial automation systems
- Automotive systems
- Aerospace applications
Q & A
- What is the output voltage of the TPS75933KTTTG3?
The output voltage of the TPS75933KTTTG3 is 3.3 V.
- What is the maximum output current of the TPS75933KTTTG3?
The maximum output current is 7.5 A.
- What is the minimum input voltage required for the TPS75933KTTTG3?
The minimum input voltage is 2.8 V.
- What is the typical dropout voltage at 7.5 A for the TPS75933KTTTG3?
The typical dropout voltage at 7.5 A is 400 mV.
- What are the protection features of the TPS75933KTTTG3?
The device includes overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) protection features.
- What is the operating temperature range of the TPS75933KTTTG3?
The operating temperature range is -40°C to 125°C.
- What package types are available for the TPS75933KTTTG3?
The device is available in TO-263 (KTT) and DDPAK-6 packages.
- Does the TPS75933KTTTG3 have thermal shutdown protection?
- What is the power supply ripple rejection ratio (PSRR) of the TPS75933KTTTG3 at 100 Hz?
The PSRR at 100 Hz is 58 dB.
- What are some common applications of the TPS75933KTTTG3?
