Manufacturer Part Number
L4931CD33
Manufacturer
stmicroelectronics
Introduction
The L4931CD33 is a low drop-out linear voltage regulator particularly suitable for low noise and low power applications.
Product Features and Performance
Fixed output voltage of 3.3V
Maximum input voltage of 20V
Low dropout voltage: 0.8V @ 250mA
Output current up to 250mA
Quiescent current of 1mA
Supply current maximum of 6mA
PSRR: 73dB ~ 55dB across 120Hz to 10kHz
Product Advantages
Designed for low power consumption
High noise rejection
Supports overcurrent and over-temperature protection
Key Technical Parameters
Input Voltage (Max): 20V
Output Voltage (Min/Fixed): 3.3V
Dropout Voltage (Max): 0.8V @ 250mA
Current - Output: 250mA
Current - Quiescent (Iq): 1 mA
Current - Supply (Max): 6 mA
PSRR: 73dB ~ 55dB (120Hz ~ 10kHz)
Quality and Safety Features
Overcurrent protection
Over-temperature protection
Meets stringent industry safety standards
Compatibility
8-SOIC package suitable for surface mount applications
Application Areas
Ideal for low-power, low-noise applications
Product Lifecycle
Status: Obsolete
Future availability of replacements or upgrades should be checked
Several Key Reasons to Choose This Product
Highly effective for energy-sensitive applications due to low quiescent current
Durable and reliable under a wide range of operating temperatures from -40°C to 125°C
Enhanced safety features with protection against overcurrent and over-temperature conditions
Suitable for applications requiring a low voltage dropout
Good noise rejection capabilities making it perfect for sensitive electronic applications