Manufacturer Part Number
NCP703SN18T1G
Manufacturer
onsemi
Introduction
The NCP703SN18T1G is a low dropout (LDO) linear voltage regulator that provides a fixed output of 1.8V, ideal for low power and space-constrained applications.
Product Features and Performance
Fixed output voltage of 1.8V
Low dropout voltage of 0.3V at 300mA load
Maximum input voltage of 5.5V
Output current capability of 300mA
Low quiescent current of 20 µA
Includes enable control feature
Protection features include over current, over temperature, soft start, and under voltage lockout (UVLO)
Operating temperature range from -40°C to 125°C
Product Advantages
High-efficiency due to low dropout voltage
Suitable for battery-operated devices due to low current consumption
Robust protection features enhance reliability
Compact SOT-23-5 Thin, TSOT-23-5 package suitable for space-constrained applications
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.8V
Voltage Dropout (Max): 0.3V @ 300mA
Current Output: 300mA
Current Quiescent (Iq): 20 µA
Mounting Type: Surface Mount
Package / Case: SOT-23-5 Thin, TSOT-23-5
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Soft Start
Under Voltage Lockout (UVLO)
Compatibility
Compatible with battery operated and low power applications due to low dropout and quiescent current characteristics
Application Areas
Mobile and portable devices
Wireless and RF systems
Power management applications
Product Lifecycle
Status: Obsolete
Not recommended for new designs
Availability of replacements or upgrades should be checked with onsemi
Several Key Reasons to Choose This Product
Extremely low dropout voltage enhances power efficiency
Minimal quiescent current ideal for prolonging battery life in portable devices
Comprehensive protection features for improved device reliability and safety
Compact package design allows for use in space-limited applications
Wide operating temperature range suits harsh environmental conditions