Overview
The TPS75833KTTRG3 is a 3A low-dropout voltage regulator produced by Texas Instruments. This device is part of the TPS758 family, known for its ultra-low dropout voltage and low-noise performance. It is available in a 5-pin TO-263 (KTT) package and is designed to provide a fixed output voltage of 3.3V. The regulator is suitable for applications requiring high current output with minimal voltage dropout and features fast transient response, making it ideal for systems with large load current changes.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | TPS75833KTTRG3 |
| Manufacturer | Texas Instruments |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Fixed) | 3.3V |
| Voltage Dropout (Max) | 0.3V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 200µA |
| PSRR | 62dB (100Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
Key Features
- Ultra-Low Dropout Voltage: Typically 150mV at 3A output current.
- Fast Transient Response: Designed to handle large load current changes efficiently.
- Low Quiescent Current: 125µA typical at full load, reducing to less than 1µA when disabled.
- Enable Feature: The regulator can be enabled or disabled via the EN pin.
- Protection Features: Includes overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) protections.
- High Accuracy: Output voltage tolerance of 3% over line, load, and temperature ranges.
Applications
The TPS75833KTTRG3 is suitable for a variety of applications requiring high current output with low voltage dropout. These include:
- Battery-Powered Systems: The low quiescent current and high efficiency make it ideal for battery-powered devices.
- Industrial Control Systems: Where reliable and stable voltage regulation is crucial.
- Automotive Systems: The device's ability to operate over a wide temperature range makes it suitable for automotive applications..
- Telecommunications Equipment: Where fast transient response and low noise are essential.
Q & A
- What is the maximum output current of the TPS75833KTTRG3?
The maximum output current is 3A.
- What is the fixed output voltage of the TPS75833KTTRG3?
The fixed output voltage is 3.3V.
- What is the typical dropout voltage at 3A output current?
The typical dropout voltage is 150mV at 3A output current.
- What are the protection features of the TPS75833KTTRG3?
The device includes overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) protections.
- What is the operating temperature range of the TPS75833KTTRG3?
The operating temperature range is -40°C to 125°C.
- What is the quiescent current of the TPS75833KTTRG3?
The typical quiescent current is 125µA at full load, reducing to less than 1µA when disabled.
- What package types are available for the TPS75833KTTRG3?
The device is available in TO-263-6, D²Pak (5 Leads + Tab), and TO-263BA packages.
- Is the TPS75833KTTRG3 RoHS compliant?
No specific RoHS compliance information is available, but it is noted as 'No RoHS Information' in some sources.
- What is the enable feature of the TPS75833KTTRG3?
The regulator can be enabled or disabled via the EN pin, with the device enabled when EN is connected to a high voltage level (> 2V) and disabled when EN is connected to a low voltage level (< 0.7V).
- What is the PSRR of the TPS75833KTTRG3?
The Power Supply Rejection Ratio (PSRR) is 62dB at 100Hz.
