Manufacturer Part Number
NCV4276ADTADJRKG
Manufacturer
onsemi
Introduction
The NCV4276ADTADJRKG by onsemi is a low dropout (LDO) regulator designed primarily for automotive applications, offering variable output from 2.5V to 20V.
Product Features and Performance
Low dropout voltage of 0.5V at 250mA load
Adjustable output voltage range of 2.5V to 20V
Maximum input voltage of 45V
Output current capability of 400mA
Quiescent current of 200 µA
Maximum supply current of 35 mA
Power Supply Rejection Ratio (PSRR) of 70dB at 100Hz
Over-temperature protection
Reverse polarity protection
Short circuit protection
Product Advantages
Suitable for automotive applications
High degree of output voltage flexibility
Low quiescent current for energy efficiency
High PSRR for better noise rejection
Comprehensive protection features for enhanced reliability
Key Technical Parameters
Voltage Input (Max): 45V
Voltage Output (Min/Fixed): 2.5V
Voltage Output (Max): 20V
Voltage Dropout (Max): 0.5V @ 250mA
Current Output: 400mA
Current Quiescent (Iq): 200 µA
PSRR: 70dB (100Hz)
Quality and Safety Features
Over-temperature protection
Reverse polarity protection
Short circuit protection
AEC-Q100 qualified for automotive applications
Compatibility
Compatible with surface mount technology via TO-252-5, DPAK (4 Leads + Tab), TO-252AD package
Application Areas
Primarily automotive including power supplies for car ECUs, sensors, and entertainment systems
Product Lifecycle
Obsolete: Customers should seek replacements or upgrades for ongoing or new designs.
Several Key Reasons to Choose This Product
Flexibility in voltage output suitable for a variety of applications
Low dropout feature enables operation in lower headroom environments
High PSRR value ensures stable operation despite supply noise
Stringent protection features ensure product longevity and reliability in automotive environments
AEC-Q100 qualification affirms suitability for demanding automotive standards
