Manufacturer Part Number
LT3090IDD#PBF
Manufacturer
Analog Devices
Introduction
The LT3090 is a low dropout linear regulator designed for power management, offering adjustable negative voltage with high precision.
Product Features and Performance
Negative output adjustable voltage regulator
Output can be adjusted between 0V and -32V
600mA maximum output current
45V maximum voltage dropout at 600mA
High PSRR of 85dB at 120Hz decreasing to 20dB at 1MHz
Low quiescent current of 50.5 µA
Can accept input voltages up to -36V
Single regulator design
Surface mount package for compact PCB layout
Product Advantages
Highly stable with low noise output
Provides clean and precise voltage regulation
Robust power supply rejection ratio maintains stable operation under varying line conditions
Key Technical Parameters
Voltage - Input (Max): -36V
Voltage - Output (Min/Fixed): 0V
Voltage - Output (Max): -32V
Voltage Dropout (Max): 0.45V @ 600mA
Current - Output: 600mA
Current - Quiescent (Iq): 50.5 µA
PSRR: 85dB ~ 20dB (120Hz ~ 1MHz)
Quality and Safety Features
Current limit protection
Over temperature protection
Reverse polarity protection
Short circuit protection
Compatibility
Surface mount device compatible with automated PCB assembly
10-WFDFN exposed pad package allows for efficient thermal transfer
Application Areas
Power supplies
Instrumentation
Consumer electronics
Telecommunications
Automotive electronics
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Alternatives or upgrades not specified
Key Reasons to Choose This Product
High performance LDO suitable for sensitive electronic applications
Flexible voltage range for custom negative voltage requirements
Low dropout for improved efficiency
Exceptional line and load regulation for consistent power supply
Variety of protection features ensuring high reliability and safety in operation
Excellent thermal performance with a 10-WFDFN package
Versatile for use in a wide range of electronic systems
Ongoing product support and active status suggests long-term availability
LT3090IDDLinear Technology
LT3090EMSELT