Manufacturer Part Number
LT1521CS8-3.3#TRPBF
Manufacturer
Analog Devices
Introduction
LT1521CS8-3.3#TRPBF is a low dropout (LDO) linear voltage regulator, ideal for power management in various electronic circuits. Designed by Analog Devices, it focuses on delivering a stable 3.3V output from inputs up to 20V.
Product Features and Performance
Positive fixed output configuration
Supports input voltage up to 20V
Stable output voltage of 3.3V
Low dropout voltage: 0.75V @ 300mA load
Maximum output current: 300mA
Low quiescent current: 25 µA
Power Supply Rejection Ratio (PSRR): 58dB at 120Hz
Includes enable control feature for power saving
Over current and over-temperature protection
Reverse polarity protection ensures device safety
Designed for surface mount technology with 8-SOIC package
Product Advantages
Minimal power loss due to low dropout voltage
High efficiency in power regulation
Exceptional protection features enhance device reliability
Low quiescent current improves battery life in portable applications
Easy integration into existing designs with enable control feature
Key Technical Parameters
Voltage Input (Max): 20V
Voltage Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.75V @ 300mA
Current Output: 300mA
Current Quiescent (Iq): 25 µA
Current Supply (Max): 12 mA
PSRR: 58dB (120Hz)
Quality and Safety Features
Over current protection
Over temperature protection
Reverse polarity protection
Compatibility
Compatible with various electronic circuits requiring stable 3.3V supply
Application Areas
Consumer electronics
Industrial controls
Battery-powered devices
Microcontroller power supply
Product Lifecycle
Active product status, not near discontinuation
Analog Devices supports with replacements or upgrades if needed
Several Key Reasons to Choose This Product
High efficiency and reliability for power regulation tasks
Low quiescent current ideal for energy-sensitive applications
Robust protection features safeguard the system
Broad application range due to easy integration and compatibility
Supported by Analog Devices' extensive documentation and customer service