Manufacturer Part Number
LT1121IS8-3.3#TRPBF
Manufacturer
Analog Devices
Introduction
Linear Low Drop Out (LDO) voltage regulator for power management applications.
Product Features and Performance
Low dropout voltage of 0.7V at 150mA load
Output voltage fixed at 3.3V
High power supply rejection ratio of 58dB at 120Hz
Low quiescent current of 50 µA enhancing power efficiency
Stable with low ESR ceramic capacitors
Product Advantages
High efficiency for battery-powered devices
Thermal and reverse polarity protection for improved safety
Low dropout performance suitable for low voltage applications
Key Technical Parameters
Input voltage up to 30V
Fixed output voltage of 3.3V
Maximum output current of 150mA
Dropout voltage of 0.7V
Quiescent current of 50µA
Supply current max 14mA
Output configuration positive
Enable control feature
PSRR of 58dB at 120Hz
Quality and Safety Features
Over Temperature protection
Reverse Polarity protection
Compatibility
Compatible with surface mount technology
Suitable for use with 8-SOIC package
Application Areas
Consumer electronics
Portable devices
Battery-powered applications
Telecommunications
Product Lifecycle
Active product status
Continuing manufacturer support
Several Key Reasons to Choose This Product
Highly reliable with built-in safety features
Energy-efficient for extended battery life
Ideal for low voltage operations
Suitable for compact surface mounting
Supports a wide range of applications
Robust performance in a wide operating temperature range