Manufacturer Part Number
LF80ABDT
Manufacturer
stmicroelectronics
Introduction
The LF80ABDT is a low-dropout (LDO) linear voltage regulator designed for power management applications, particularly in compact devices with limited power consumption requirements.
Product Features and Performance
Fixed output voltage of 8V
Maximum input voltage of 16V
Maximum output current of 500mA
Voltage dropout of 0.7V at 500mA load
Current quiescent of 1.5 mA
Current supply maximum of 12 mA
Power Supply Rejection Ratio (PSRR) ranges from 72dB to 57dB between 120Hz to 10kHz
Over current and over temperature protection features
Product Advantages
Highly efficient power conversion
Low quiescent current enhances battery life in portable applications
Robust thermal and current protection increases reliability under varying load conditions
Optimized PSRR minimizes output noise and voltage fluctuation
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 8V
Current - Output: 500mA
Voltage Dropout (Max): 0.7V @ 500mA
PSRR: 72dB ~ 57dB (120Hz ~ 10kHz)
Quality and Safety Features
Over current protection
Over temperature protection
Designed for operation between -40°C and 125°C
Compatibility
Surface mount compatible
Mounts in TO-252-3, DPAK (2 Leads + Tab), SC-63 package types
Application Areas
Ideal for low power devices and battery-operated electronics
Suitable for compact electronic assemblies
Product Lifecycle
The LF80ABDT is marked as obsolete
Potential replacement or upgrade options should be consulted through stmicroelectronics
Several Key Reasons to Choose This Product
Guaranteed performance at a fixed 8V output, suitable for consistent power regulation
Efficient power management capability with low quiescent current
Robust protection features ensure long-term reliability
High PSRR ensures smoother operation by minimizing output noise
Compatible with automated surface-mount manufacturing processes
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