Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 6.5V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.5V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 65 µA |
| PSRR | 66dB ~ 22dB (100Hz ~ 100kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 6-WDFN Exposed Pad |
Overview
Description
The TPS73533DRVR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for applications requiring low noise and low power consumption. It provides a fixed output voltage of 3.3V with a maximum output current of 500 mA. This device offers excellent transient response, stability with ceramic capacitors, and features like an enable pin for power sequencing and a power-good indicator. Its low dropout voltage makes it suitable for battery-powered applications, while its built-in thermal shutdown and current limit protection enhance reliability. The device is housed in a compact 6-pin SON package, making it ideal for space-constrained applications. Additionally, the TPS73533DRVR supports a wide input voltage range and features low quiescent current, making it efficient in power-critical designs.
Equivalent
The TPS73533DRVR is a low-dropout (LDO) linear regulator. Equivalent products include:
1. LM1117MPX-3.3/NOPB from Texas Instruments
2. MIC5219-3.3YM5 from Microchip Technology
3. NCP1117ST33T3G from ON Semiconductor
4. ADP3333ARMZ-3.3 from Analog Devices
5. TLV1117LV33DCYR from Texas Instruments
These alternatives have similar voltage outputs and package types, but always verify specifications to ensure compatibility with your application.
1. LM1117MPX-3.3/NOPB from Texas Instruments
2. MIC5219-3.3YM5 from Microchip Technology
3. NCP1117ST33T3G from ON Semiconductor
4. ADP3333ARMZ-3.3 from Analog Devices
5. TLV1117LV33DCYR from Texas Instruments
These alternatives have similar voltage outputs and package types, but always verify specifications to ensure compatibility with your application.
Features
The TPS73533DRVR is a high-performance, low-dropout (LDO) linear voltage regulator designed for applications requiring precise voltage regulation and low voltage drop. Key features include:
1. Output Voltage: Fixed output of 3.3V.
2. Input Voltage Range: Supports input voltages from 2.7V to 5.5V.
3. Output Current: Can supply up to 500mA of output current.
4. Low Dropout Voltage: Offers a low dropout voltage of typically 200mV at full load.
5. Ultralow Noise: Suitable for noise-sensitive applications with an output noise of only 30µVRMS.
6. High PSRR: Features a high power-supply rejection ratio (PSRR) of 70dB at 1kHz.
7. Fast Transient Response: Quickly responds to changes in load conditions.
8. Current Limiting: Includes current limit protection for safeguarding against overloads.
9. Thermal Shutdown: Built-in thermal shutdown feature to prevent overheating.
10. Stable with Output Capacitor: Stable operation with ceramic output capacitors.
11. Package Options: Available in a compact 6-pin WSON package.
This regulator is ideal for portable electronics, battery-powered devices, and other applications requiring efficient and reliable voltage regulation.
1. Output Voltage: Fixed output of 3.3V.
2. Input Voltage Range: Supports input voltages from 2.7V to 5.5V.
3. Output Current: Can supply up to 500mA of output current.
4. Low Dropout Voltage: Offers a low dropout voltage of typically 200mV at full load.
5. Ultralow Noise: Suitable for noise-sensitive applications with an output noise of only 30µVRMS.
6. High PSRR: Features a high power-supply rejection ratio (PSRR) of 70dB at 1kHz.
7. Fast Transient Response: Quickly responds to changes in load conditions.
8. Current Limiting: Includes current limit protection for safeguarding against overloads.
9. Thermal Shutdown: Built-in thermal shutdown feature to prevent overheating.
10. Stable with Output Capacitor: Stable operation with ceramic output capacitors.
11. Package Options: Available in a compact 6-pin WSON package.
This regulator is ideal for portable electronics, battery-powered devices, and other applications requiring efficient and reliable voltage regulation.
Pinout
The TPS73533DRVR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 6-pin WSON (DRV) package. The primary function of this device is to provide a stable 3.3V output voltage from a higher input voltage while maintaining low dropout voltage and low quiescent current. Here’s a brief overview of the pin functions:
1. IN: Input voltage pin. This is where the supply voltage is connected.
2. GND: Ground pin for the device.
3. OUT: Regulated output voltage pin, providing the 3.3V output.
4. EN: Enable pin. This pin is used to enable or disable the regulator. Pulling it high enables the device, while pulling it low disables it.
5. NR/SS: Noise Reduction/Soft Start pin. This pin can be used for noise reduction and setting the soft-start time.
6. NC: No Connect pin. This pin is typically left unconnected and has no internal connection.
These pins work together to ensure the device functions efficiently as a low-dropout regulator with a fixed output voltage of 3.3V.
1. IN: Input voltage pin. This is where the supply voltage is connected.
2. GND: Ground pin for the device.
3. OUT: Regulated output voltage pin, providing the 3.3V output.
4. EN: Enable pin. This pin is used to enable or disable the regulator. Pulling it high enables the device, while pulling it low disables it.
5. NR/SS: Noise Reduction/Soft Start pin. This pin can be used for noise reduction and setting the soft-start time.
6. NC: No Connect pin. This pin is typically left unconnected and has no internal connection.
These pins work together to ensure the device functions efficiently as a low-dropout regulator with a fixed output voltage of 3.3V.
Manufacturer
The TPS73533DRVR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a broad spectrum of electronic devices. TI is known for its innovations in the electronics industry and provides solutions for analog and embedded processing. The company serves a wide range of sectors, including industrial, automotive, personal electronics, communications, enterprise systems, and more. Founded in 1930, Texas Instruments has grown to become one of the largest semiconductor companies globally, emphasizing research and development to drive technological advancements and meet the evolving needs of its customers.
Application
The TPS73533DRVR is a low-dropout (LDO) voltage regulator suitable for a variety of applications. It is commonly used in powering microcontrollers, microprocessors, and other low-power digital circuits due to its low-noise performance and precise output voltage regulation. It is ideal for portable and battery-powered devices, such as smartphones, tablets, and handheld instruments, due to its low quiescent current and fast transient response. Additionally, it can be used in communication equipment, audio devices, and industrial automation systems where stable voltage supply and thermal management are critical. Its small size and high reliability make it versatile for compact electronic designs.
Package
The TPS73533DRVR is a low-dropout (LDO) voltage regulator from Texas Instruments, housed in a compact, 6-pin SON (Small Outline No-lead) package, often referred to as DRV (WSON) package. This package type is designed for efficient heat dissipation and space-saving in surface-mount applications.
