Manufacturer Part Number
TPS74633PQWDRBRQ1
Manufacturer
Texas Instruments
Introduction
Automotive grade low-dropout (LDO) regulator with fixed output voltage
Product Features and Performance
Fixed 3.3V output voltage
1A maximum output current
Ultra-low quiescent current of 36µA
Excellent power supply rejection ratio (PSRR) between 53dB and 30dB across 1kHz to 1MHz frequency range
Enables low dropout voltage of 0.265V at full load
Output over-current and over-temperature protection
Under voltage lockout (UVLO) for system safety
Enable control feature for on-demand regulation
Product Advantages
High efficiency for battery-powered applications
Robust thermal performance with -40°C to 125°C operating temperature range
Automotive qualification AEC-Q100 ensures reliability under harsh conditions
Simple design integration with fixed output voltage
Key Technical Parameters
Input voltage up to 6V
Fixed 3.3V output
Maximum 1A output current
265mV maximum voltage dropout at full load
PSRR ranges from 53dB to 30dB (1kHz to 1MHz)
36µA quiescent current
Control features include enable pin
Quality and Safety Features
Built-in over-current and over-temperature protection
Under voltage lockout (UVLO)
Compatibility
Compatible with various automotive and industrial applications
Surface mount, 8-VDFN exposed pad for efficient heat dissipation
Wettable flanks for enhanced solderability and inspection
Application Areas
Automotive electronics
Power management for battery-powered devices
Industrial control systems
Healthcare and medical devices
Product Lifecycle
Status: Active
No indication of nearing discontinuation
Replacements or upgrades can be sourced from the TPS746 series
Several Key Reasons to Choose This Product
Automotive-grade reliability with AEC-Q100 qualification
Highly efficient for low-power applications
Enhanced safety with comprehensive protection features
Supports design flexibility with wide operating temperature range
Ideal for systems with tight space constraints due to compact package
Low quiescent current extends battery life
Easy to implement in designs with fixed output voltage requirement
TPS74615PQWDRVRQ1Texas Instruments