Manufacturer Part Number
LP3874ESX-ADJ
Manufacturer
Texas Instruments
Introduction
The LP3874ESX-ADJ is a linear low-dropout (LDO) regulator designed to provide adjustable output from a low input voltage, making it suitable for various electronic applications.
Product Features and Performance
Adjustable output voltage from 1.2V to 6.6V
Maximum input voltage of 7V
Dropout voltage of 0.35V at 800mA load
Output current up to 800mA
Quiescent current of 9 mA
Supply current up to 15 mA
Power Supply Rejection Ratio (PSRR) varies from 73dB to 57dB at 120Hz
Control features including an enable option
Protection features against over current, over temperature, and short circuit
Product Advantages
High efficiency with low dropout voltage
Wide adjustable output voltage range
Built-in thermal and current protection enhances safety
Low quiescent current improves power efficiency
Key Technical Parameters
Input Voltage (Max): 7V
Output Voltage (Min): 1.2V
Output Voltage (Max): 6.6V
Dropout Voltage (Max): 0.35V @ 800mA
Output Current: 800mA
Quiescent Current (Iq): 9 mA
Supply Current (Max): 15 mA
PSRR: 73dB ~ 57dB (120Hz)
Quality and Safety Features
Overcurrent protection
Over-temperature protection
Short circuit protection
Compatibility
Surface mount technology compatibility
Package / Case: TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Application Areas
Power supply units
Electronic circuits requiring stable and adjustable voltage
Low voltage electronics
Portable and battery-operated devices
Product Lifecycle
Status: Obsolete
Availability of replacements or upgrades should be checked with Texas Instruments or distributors
Several Key Reasons to Choose This Product
Versatile adjustable voltage for diverse applications
High PSRR ensuring stable performance despite power supply noise
Low quiescent current maximizing battery life in portable applications
Comprehensive protection features securing the circuit reliability
Compact and durable surface mount package