Manufacturer Part Number
NCV551SN18T1G
Manufacturer
onsemi
Introduction
The NCV551SN18T1G is an automotive-grade, low dropout (LDO) linear voltage regulator designed for power management, specifically in applications requiring a regulated 1.8V output from an input up to 12V.
Product Features and Performance
Positive output configuration
Fixed output type
Single regulator
Maximum input voltage of 12V
Minimum/fixed output voltage of 1.8V
Maximum voltage dropout of 0.22V at 10mA
Output current of 150mA
Quiescent current of 8 µA
Enable control feature
Overcurrent and overtemperature protection
Product Advantages
High efficiency due to low dropout voltage
Minimal quiescent current extends battery life in portable applications
Built-in overcurrent and temperature protection enhances reliability
Certified for automotive applications, meeting AEC-Q100 standards
Key Technical Parameters
Voltage Input (Max): 12V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.22V @ 10mA
Current Output: 150mA
Current Quiescent (Iq): 8 µA
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: SOT-23-5 Thin, TSOT-23-5
Quality and Safety Features
Overcurrent protection
Overtemperature protection
AEC-Q100 qualification for automotive reliability
Compatibility
Compatible with surface mount technology for PCB assembly
Compatible with devices requiring 1.8V regulated output up to 150mA
Application Areas
Automotive electronics
Portable devices
Power management applications requiring low power dissipation and high efficiency
Product Lifecycle
Currently active
Not nearing discontinuation
Availability of upgrades or replacements not specified
Several Key Reasons to Choose This Product
Low dropout voltage enables efficient use of power
Very low quiescent current beneficial for battery-powered applications
Robust protection features ensure long-term reliability under various conditions
Automotive-grade qualification ensures high-standard performance and safety
Compact SOT-23-5 packaging suitable for space-constrained applications
