Manufacturer Part Number
LT3094IMSE#PBF
Manufacturer
Analog Devices
Introduction
The LT3094 is a part of Analog Devices’ power management integrated circuits, specifically designed as a low dropout (LDO) linear regulator for negative output voltage applications.
Product Features and Performance
Low dropout voltage: 0.41V @ 500mA
Adjustable output voltage range: -19.5V to 0V
Output current capability: 500mA
High power supply rejection ratio (PSRR): 108dB to 28dB over 120Hz to 10MHz frequency range
Quiescent current: 2.35mA
Maximum supply current: 23mA
Includes control features such as Enable, Power Good, and Soft Start
Protection features: Over Current, Over Temperature, Short Circuit, and Under Voltage Lockout (UVLO)
Product Advantages
High PSRR enhances output voltage stability against input voltage fluctuations.
The low dropout feature allows efficient operation even with a small differential between input and output voltages.
Versatile control features improve system reliability and flexibility.
Comprehensive protection features safeguard against common circuit faults and thermal overloads.
Key Technical Parameters
Voltage Input (Max): -2.3V
Voltage Output (Min/Fixed): -19.5V
Voltage Output (Max): 0V
Voltage Dropout (Max): 0.41V @ 500mA
Current Output: 500mA
Current Quiescent (Iq): 2.35 mA
Current Supply (Max): 23 mA
PSRR: 108dB ~ 28dB (120Hz ~ 10MHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Short Circuit Protection
Under Voltage Lockout (UVLO)
Compatibility
Surface Mount Technology (SMT) for efficient PCB design.
Package / Case: 12-TSSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package: 12-MSOP-EP
Application Areas
Power supply modules
Battery-powered devices
Negative voltage rail generation
Precision instrumentation
Communications equipment
Product Lifecycle
Status: Active
The LT3094 represents a current and supported component by Analog Devices, without indications of nearing discontinuation. Future replacements or upgrades depend on technological advancements and market needs.
Several Key Reasons to Choose This Product
High-efficiency negative voltage regulation suitable for advanced, power-sensitive applications.
Low dropout voltage enhances performance in low-voltage differential situations.
High PSRR ensures stability in noisy environments, making it ideal for sensitive analog circuits.
Comprehensive control and protection features provide a robust solution for demanding applications.
The device’s active status and support from Analog Devices suggest a reliable supply chain and technical assistance.