Manufacturer Part Number
NCV8161AMX180TBG
Manufacturer
onsemi
Introduction
High-efficiency low dropout linear voltage regulator for automotive applications
Product Features and Performance
Low dropout voltage of 0.45V at 450mA
Stable with small ceramic output capacitors
High PSRR of 91dB at 100Hz
Output voltage fixed at 1.8V
Quiescent current of 23 μA
Surface mount 4-XDFN exposed pad package for compact design
Product Advantages
Optimized for battery-operated devices
AEC-Q100 qualified for automotive reliability
Wide operating temperature range suitable for harsh environments
Low dropout voltage aids in extending battery life
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Fixed): 1.8V
Current - Output: 450mA
Voltage Dropout (Max): 0.45V
Current - Quiescent (Iq): 23μA
Power Supply Rejection Ratio (PSRR): 91dB ~ 48dB (100Hz ~ 100kHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Automotive-grade reliability
Compatibility
Compatible with small ceramic output capacitors
Surface mount design compatible with existing manufacturing processes
Application Areas
Automotive power systems
Power supplies for microcontrollers and sensors
Battery-powered electronics
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacements or upgrades may be available
Several Key Reasons to Choose This Product
Highly efficient for power-sensitive applications
Automotive-grade quality ensures reliability under tough conditions
Suitable for a range of temperatures from -40°C to 125°C
Low quiescent current extends battery life in portable devices
Compact surface mount package for space-sensitive designs
High PSRR for better noise rejection in sensitive applications