TPS75533KTTRG3
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Texas Instruments TPS75533KTTRG3

Manufacturer No:
TPS75533KTTRG3
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG LIN 3.3V 5A DDPAK/TO263-5
Delivery:
Payment:
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Product Introduction

Overview

The TPS75533KTTRG3 is a 5-A low-dropout (LDO) voltage regulator from Texas Instruments, part of the TPS755xx family. This device is designed to provide a fixed output voltage of 3.3 V and is available in a 5-pin TO-263 (KTT) surface-mount package. It features an integrated power-good (PG) status output and is capable of supplying 5 A of output current with a low dropout voltage of typically 250 mV. The regulator is known for its fast transient response, low quiescent current, and thermal shutdown protection, making it suitable for a variety of applications, especially in battery-powered systems.

Key Specifications

Parameter Value Conditions
Output Voltage 3.3 V Fixed
Output Current Up to 5 A
Dropout Voltage Typically 250 mV at 5 A
Quiescent Current Typically 125 µA Full load
Quiescent Current (Shutdown) Less than 1 µA TJ = 25°C
Output Voltage Tolerance ±3% over line, load, and temperature
Thermal Shutdown Junction Temperature 150°C
Package Type 5-pin TO-263 (KTT)
Operating Junction Temperature Range −40°C to 125°C

Key Features

  • Integrated power-good (PG) status output for fixed voltage options.
  • Low dropout voltage of typically 250 mV at 5 A.
  • Low quiescent current of typically 125 µA over the full range of output current.
  • Fast transient response for large load current changes.
  • Thermal shutdown protection.
  • Enable (EN) input for shutdown control; applying a TTL high signal shuts down the regulator.
  • Available in 5-pin TO-263 (KTT) surface-mount package.

Applications

The TPS75533KTTRG3 is suitable for various applications requiring a high-current, low-dropout voltage regulator. These include:

  • Battery-powered systems where low quiescent current is crucial for extended battery life.
  • Power supply systems requiring high current output with minimal voltage drop.
  • Industrial and automotive systems that need robust and reliable voltage regulation.
  • Telecommunication and networking equipment where stable voltage supply is essential.

Q & A

  1. What is the output voltage of the TPS75533KTTRG3?

    The output voltage of the TPS75533KTTRG3 is 3.3 V.

  2. What is the maximum output current of the TPS75533KTTRG3?

    The maximum output current is up to 5 A.

  3. What is the typical dropout voltage of the TPS75533KTTRG3 at 5 A output current?

    The typical dropout voltage is 250 mV at 5 A output current.

  4. How does the enable (EN) input control the regulator?

    The regulator is enabled when the EN input is connected to a low-level voltage. Applying a TTL high signal to EN shuts down the regulator.

  5. What is the purpose of the power-good (PG) terminal?

    The PG terminal is an open drain, active low output that indicates the status of the output voltage (VO). It can be used to implement a power-on reset or a low-battery indicator.

  6. What is the thermal shutdown junction temperature of the TPS75533KTTRG3?

    The thermal shutdown junction temperature is 150°C.

  7. In what package is the TPS75533KTTRG3 available?

    The TPS75533KTTRG3 is available in a 5-pin TO-263 (KTT) surface-mount package.

  8. What is the operating junction temperature range of the TPS75533KTTRG3?

    The operating junction temperature range is −40°C to 125°C.

  9. How does the quiescent current behave in shutdown mode?

    In shutdown mode, the quiescent current reduces to less than 1 µA at TJ = 25°C.

  10. What is the output voltage tolerance of the TPS75533KTTRG3?

    The output voltage tolerance is ±3% over line, load, and temperature ranges.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):5.5V
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.5V @ 5A
Current - Output:5A
Current - Quiescent (Iq):200 µA
Current - Supply (Max):- 
PSRR:60dB (100Hz)
Control Features:Enable, Power Good
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
Supplier Device Package:DDPAK/TO-263-5
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Similar Products

Part Number TPS75533KTTRG3 TPS75733KTTRG3 TPS75633KTTRG3 TPS75833KTTRG3 TPS75533KTTTG3
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Obsolete Obsolete Obsolete
Output Configuration Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1 1
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V 5.5V
Voltage - Output (Min/Fixed) 3.3V 3.3V 3.3V 3.3V 3.3V
Voltage - Output (Max) - - - - -
Voltage Dropout (Max) 0.5V @ 5A 0.3V @ 3A 0.5V @ 5A 0.3V @ 3A 0.5V @ 5A
Current - Output 5A 3A 5A 3A 5A
Current - Quiescent (Iq) 200 µA 200 µA 200 µA 200 µA 200 µA
Current - Supply (Max) - - - - -
PSRR 60dB (100Hz) 62dB (100Hz) 60dB (100Hz) 62dB (100Hz) 60dB (100Hz)
Control Features Enable, Power Good Enable, Power Good Enable Enable Enable, Power Good
Protection Features Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package DDPAK/TO-263-5 DDPAK/TO-263-5 DDPAK/TO-263-5 DDPAK/TO-263-5 DDPAK/TO-263-5

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