Manufacturer Part Number
NCV4274ST33T3G
Manufacturer
onsemi
Introduction
NCV4274ST33T3G is a low-dropout linear voltage regulator designed for automotive applications.
Product Features and Performance
Positive output configuration
Fixed output voltage of 3.3V
Single regulator design
Maximum input voltage of 40V
Maximum dropout voltage of 1.33V at 250mA load
Output current capability of 400mA
Low quiescent current of 250 µA
Supply current up to 45 mA
Power supply rejection ratio (PSRR) of 60dB at 100Hz
Product Advantages
Automotive grade reliability
High PSRR for noise suppression
Wide operating temperature range
Built-in protection features
Key Technical Parameters
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 400mA
Current - Quiescent (Iq): 250 µA
Voltage Dropout (Max): 1.33V @ 250mA
PSRR: 60dB (100Hz)
Quality and Safety Features
Over-temperature protection
Reverse polarity protection
Short circuit protection
AEC-Q100 qualified
Compatibility
Surface mount compatible with SOT-223 (TO-261) package
Application Areas
Automotive electronics
Power management solutions
Product Lifecycle
Obsolete status
Replacements or upgrades might be available (consult manufacturer)
Several Key Reasons to Choose This Product
Designed specifically for demanding automotive applications
Robust against automotive temperature variations (-40°C ~ 150°C)
Protection against common electrical faults
AEC-Q100 qualification ensures automotive-grade quality and reliability
Suitable for power-sensitive applications due to low quiescent current
Effective for noise-prone applications given its high PSRR feature