Manufacturer Part Number
TPS7A4533KTTR
Manufacturer
Texas Instruments
Introduction
The TPS7A4533KTTR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications requiring a high level of voltage regulation and power management.
Product Features and Performance
LDO Regulator with fixed 3.3V output
Positive output configuration
Single regulator integration
Maximum input voltage of 20V
Low dropout voltage of 0.45V at 1.5A load
Output current capacity of 1.5A
Quiescent current of 1.5 mA
Supply current max of 90 mA
Power supply rejection ratio (PSRR) of 68dB at 120Hz
Control features include an Enable function
Product Advantages
High output voltage accuracy
Low power consumption with reduced quiescent current
Stable operation with low dropout voltage
Excellent transient response
Built-in protection features increase system reliability
Key Technical Parameters
Input Voltage (Max): 20V
Output Voltage (Min/Fixed): 3.3V
Dropout Voltage (Max): 0.45V @ 1.5A
Output Current: 1.5A
Quiescent Current (Iq): 1.5 mA
Supply Current (Max): 90 mA
PSRR: 68dB (120Hz)
Quality and Safety Features
Protection against overcurrent and over-temperature conditions
Reverse polarity protection
Compatibility
Industry-standard TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package for surface mounting
Application Areas
Consumer electronics
Telecommunications
Networking systems
Portable and battery-powered devices
Product Lifecycle
Status: Active
Not nearing discontinuation at the time of knowledge cutoff
Replacements or upgrades may be available; consult the manufacturer's product roadmap
Several Key Reasons to Choose This Product
Robust thermal performance suitable for high-temperature applications (-40°C ~ 125°C operating range)
High reliability with built-in protection features
Low quiescent current for power-sensitive applications
Suitable for a wide range of electronic devices due to its wide input voltage range and fixed output
Ease of integration with small footprint surface mount packaging