Manufacturer Part Number
LT3042EDD#TRPBF
Manufacturer
Analog Devices
Introduction
LT3042 is a high-performance, low dropout linear regulator featuring Analog Devices' proprietary ultra-low noise and ultra-high PSRR architecture for powering noise-sensitive applications.
Product Features and Performance
Ultra-low noise output
High power supply rejection ratio (PSRR)
Adjustable output voltage from 0V to 15V
Single regulator design
Maximum input voltage of 20V
35V maximum voltage dropout at 200mA
Product Advantages
Exceptionally low noise for sensitive electronic applications
Extremely high PSRR over a wide frequency range
Low dropout enables better performance over a range of input voltages
Thermal and reverse polarity protection
High reliability with current limit and power good control features
Key Technical Parameters
Max Input Voltage: 20V
Min/Max Output Voltage: 0V to 15V
Dropout Voltage: 0.35V typical at 200mA
Output Current: 200mA
PSRR: 117dB to 56dB from 120Hz to 10MHz
Control Features: Current Limit, Enable, Power Good
Protection Features: Over Temperature, Reverse Polarity
Quality and Safety Features
Operates over a wide temperature range of -40°C to 125°C
Built-in protection features for over-temperature and reverse polarity
Current limit for safe operation
Compatibility
Surface mount 10-WFDFN exposed pad package
Compatible with various electronic systems requiring low noise voltage supply
Application Areas
Precision instrumentation
Medical equipment
Audio applications
Communications equipment
Data acquisition systems
Product Lifecycle
Active status
Latest packaging offered in Tape & Reel for efficient assembly processes
Not nearing discontinuation with availability of replacements or upgrades
Several Key Reasons to Choose This Product
Reduces system noise floor significantly enabling enhanced signal integrity
Improves system performance with high PSRR, removing unwanted supply noise
Flexible design options with adjustable output voltage
Durable and robust design suited for demanding applications
Ease of design integration due to compact 10-DFN package
Provides clean and stable power supply critical for high-precision devices
Highly recommended for applications where noise performance is critical