Manufacturer Part Number
LT1121IST-3.3#PBF
Manufacturer
Analog Devices
Introduction
Low Drop Out Linear Regulator for Power Management
Product Features and Performance
Positive Output Configuration
Fixed Output Type
Single Regulator
30V Maximum Input Voltage
3V Fixed Output Voltage
7V Maximum Voltage Dropout at 150mA
150mA Output Current
50 µA Quiescent Current
14 mA Maximum Supply Current
58dB Power Supply Rejection Ratio at 120Hz
Enable Control Feature
Product Advantages
Low Dropout Voltage
High PSRR for Noise Sensitive Applications
Minimal Quiescient Current for Power Saving
Over Temperature and Reverse Polarity Protection
Broad Operating Temperature Range
Key Technical Parameters
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
Surface Mount Compatible
Suitable for TO-261-4, TO-261AA Package
Application Areas
Consumer Electronics
Industrial
Telecommunications
Computing
Product Lifecycle
Product Status: Active
Not Nearing Discontinuation
Several Key Reasons to Choose This Product
Low Voltage Dropout Ideal for Battery Powered Devices
Suitable for Noise-sensitive Applications due to High PSRR
Ultra-Low Quiescent Current Beneficial for Power Conservation
Robust Protection Features Enhance Product Reliability
Operational Across a Wide Range of Temperatures for Versatile Use
Compact SOT-223-3 Package Suitable for Space-Constrained Applications
LT1121IS8-5Linear Technology / Analog Devices
LT1121IS8LT