Manufacturer Part Number
L78L33ABD
Manufacturer
STMicroelectronics
Introduction
The L78L33ABD is a low dropout linear voltage regulator with a fixed 3.3V output, designed to offer a stable power supply solution.
Product Features and Performance
Fixed 3.3V output
30V maximum input voltage
100mA current output
5 mA quiescent current
6 mA maximum supply current
49dB PSRR at 120Hz
Product Advantages
High efficiency for low voltage applications
Minimal power loss due to low dropout design
Stable output performance for consistency in operation
Key Technical Parameters
Input Voltage (Max): 30V
Output Voltage (Min/Fixed): 3.3V
Current - Output: 100mA
Quiescent Current (Iq): 5.5 mA
Supply Current (Max): 6 mA
Power Supply Rejection Ratio (PSRR): 49dB (120Hz)
Quality and Safety Features
Over current protection
Over temperature protection
Short circuit protection
Compatibility
Compatible with other electronic components that require a stable 3.3V input
Mounting Type: Surface Mount
Package / Case: 8-SOIC
Application Areas
Consumer Electronics
Telecommunication
Computing
Industrial Applications
Product Lifecycle
Obsolete
Alternative replacements or upgrades may be available
Several Key Reasons to Choose This Product
Reliable performance in a wide operating temperature range (-40°C ~ 125°C)
Robust over current, over temperature, and short circuit protection features
Small footprint and easy integration with surface mount technology (8-SOIC package)
Notable power supply rejection ratio ensuring stable operation against line noise
Good for low-power applications and space-constrained designs due to low quiescent current consumption