Manufacturer Part Number
LT1121CS8-3.3#PBF
Manufacturer
Analog Devices
Introduction
The LT1121CS8-3.3#PBF is a low dropout (LDO) linear regulator designed for power management in various electronic devices.
Product Features and Performance
Positive output configuration
Fixed output type
Single regulator
Maximum input voltage of 30V
Fixed output voltage of 3.3V
Maximum voltage dropout of 0.7V at 150mA load
Output current capacity of 150mA
Quiescent current of 50 µA
Maximum supply current of 14 mA
Power supply rejection ratio (PSRR) of 58dB at 120Hz
Features enable control
Over temperature and reverse polarity protection
Product Advantages
High efficiency with low quiescent current
Stable output with good PSRR
Built-in protection features enhance device safety
Key Technical Parameters
Number of Regulators: 1
Voltage - Input (Max): 30V
Voltage - Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.7V @ 150mA
Current - Output: 150mA
Current - Quiescent (Iq): 50 µA
Current - Supply (Max): 14 mA
PSRR: 58dB (120Hz)
Quality and Safety Features
Over temperature protection
Reverse polarity protection
Compatibility
Compatible with various electronic circuits requiring stable and efficient voltage regulation
Application Areas
Commonly used in cellular telephones, battery-powered equipment, and portable consumer devices
Product Lifecycle
Currently active product
Not nearing discontinuation
Replacement or upgrades availability as per market demands
Several Key Reasons to Choose This Product
Low dropout voltage enhances efficiency in low-voltage applications
Low quiescent current helps prolong battery life in portable devices
Built-in safety features assure reliability under adverse conditions
High PSRR provides clean and stable output
Broad operating temperature range suitable for diverse environments