Manufacturer Part Number
NCV4274AST33T3G
Manufacturer
onsemi
Introduction
NCV4274AST33T3G is a fixed output, low-dropout (LDO) linear voltage regulator designed for automotive applications, capable of delivering a 400mA output current.
Product Features and Performance
Fixed output voltage of 3.3V
Maximum input voltage of 40V
Low dropout voltage of 1.27V at 250mA
Output current capacity of 400mA
Quiescent current of 250 µA
Supply current maximum of 45 mA
Power supply rejection ratio (PSRR) of 60dB at 100Hz
Operating temperature range from -40°C to 150°C
Product Advantages
High reliability and performance in automotive grade applications
Capable of handling reverse polarity and short circuit conditions
Low quiescent current enhances power efficiency
Key Technical Parameters
Voltage Input (Max): 40V
Voltage Output (Min/Fixed): 3.3V
Dropout Voltage (Max): 1.27V @ 250mA
Current Output: 400mA
PSRR: 60 dB at 100Hz
Quality and Safety Features
Over Temperature Protection
Reverse Polarity Protection
Short Circuit Protection
AEC-Q100 qualified for automotive applications
Compatibility
Package/Case: TO-261-4, TO-261AA
Mounting Type: Surface Mount
Application Areas
Automotive electronics
Power management applications requiring robustness and high reliability
Product Lifecycle
Product Status: Active
Not nearing discontinuation, stable supply expected
Several Key Reasons to Choose This Product
Optimized for automotive systems requiring durable and reliable voltage regulation
Supports high input voltage up to 40V, suitable for varied automotive applications
Low dropout rate ensures efficient operation even with lower input voltages
Comprehensive protection features enhance product reliability and safety
Qualified to stringent automotive standards (AEC-Q100), ensuring quality and performance