Manufacturer Part Number
TPS73533DRVT
Manufacturer
Texas Instruments
Introduction
A low dropout regulator designed for powering sensitive applications, offering low quiescent current and high PSRR.
Product Features and Performance
Low dropout voltage of 0.5V at 500mA load
Quiescent current of 65 µA, optimizing power usage in standby modes
PSRR of 66dB to 22dB from 100Hz to 100kHz, ensuring stable output across a range of frequencies
Enable feature for power-saving mode
Fixed output voltage of 3.3V supports common logic levels
Positive output configuration for straightforward design implementations
Product Advantages
High power supply rejection ratio enhances stability in fluctuating inputs
Low power consumption at light loads with 65 µA quiescent current
Comprehensive protection features for longer device reliability
Suitable for battery-powered applications due to low dropout
Easy to use with enable feature for direct power management
Key Technical Parameters
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 3.3V
Current Output: 500mA
Current Quiescent (Iq): 65 µA
PSRR: 66dB ~ 22dB (100Hz ~ 100kHz)
Protection Features: Over Current, Over Temperature, Reverse Polarity, UVLO
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Overcurrent protection safeguards against excessive currents
Overtemperature protection ensures safe operation in high-temperature conditions
Reverse polarity protection prevents damage from incorrect power connections
Under voltage lockout (UVLO) for enhanced safety in low voltage conditions
Compatibility
Surface mount 6-WDFN Exposed Pad package for space-efficient PCB designs
Compatible with a broad range of applications due to its fixed voltage and low dropout
Application Areas
Sensitive analog circuits
Battery-powered devices
Portable and handheld electronics
Microcontroller power supply
IoT devices
Product Lifecycle
Active; assured availability and support for products in development or long-term designs.
Several Key Reasons to Choose This Product
High PSRR ensures stable output voltage under varying input conditions
Low quiescent current extends battery life in portable applications
Comprehensive thermal and current protection features for increased longevity and reliability
The enable control feature allows for greater power management flexibility
The product is actively supported by Texas Instruments, ensuring reliable supply and technical assistance.