Manufacturer Part Number
LT1121AIS8#TRPBF
Manufacturer
Analog Devices
Introduction
Low dropout linear voltage regulator designed for power management applications.
Product Features and Performance
Adjustable output voltage from 3.75V to 30V
Input voltage up to 30V
Low dropout voltage: 0.7V at 150mA load
Output current capability of 150mA
Quiescent current of 50µA, minimizing standby power
High PSRR: 58dB at 120Hz, providing clean output
Enable control feature for power saving
Product Advantages
High efficiency due to low dropout voltage
Stable output with excellent line and load regulation
Low ground pin current at all loads
Thermal shutdown and reverse polarity protection enhance safety
Suitable for battery-powered applications due to low quiescent current
Key Technical Parameters
30V maximum input voltage
75V to 30V adjustable output voltage
7V maximum voltage dropout at 150mA
150mA output current
50µA quiescent current
14mA maximum supply current
58dB PSRR at 120Hz
Quality and Safety Features
Over-temperature protection for device safety
Reverse polarity protection to prevent incorrect power application
Compatibility
Compatible with surface mount technology (8-SOIC package)
Broad compatibility with varied input sources and adjustable output for diverse applications
Application Areas
Consumer electronics
Portable battery-powered devices
Microprocessor supply
Post-regulation for switchers
Product Lifecycle
Active status, not reported as nearing discontinuation
Replacement or upgrade components are available if necessary
Several Key Reasons to Choose This Product
Flexibility with adjustable output for custom applications
High-efficiency performance suitable for battery-operated devices
Robust protection features for increased reliability and lifespan
Low quiescent current for energy-sensitive designs
Good thermal performance extending device operation range
LT1121AIS8-5Linear Technology / Analog Devices
LT1121CN8LT