Manufacturer Part Number
LDL1117S12R
Manufacturer
stmicroelectronics
Introduction
The LDL1117S12R is a low drop-out (LDO) linear voltage regulator designed for power management in various electronic devices, providing a stable and efficient output.
Product Features and Performance
Low dropout voltage of 0.6V at 1.2A load
Fixed output voltage of 1.185V
Maximum input voltage of 18V
Output current capability of 1.2A
Quiescent current of 500 µA, minimizing standby power consumption
Excellent power supply rejection ratio (PSRR) of 87dB to 65dB across 120Hz to 100kHz, ensuring a stable output despite variations in the input
Operating temperature range from -40°C to 125°C, suitable for demanding environments
Product Advantages
High efficiency at low dropout voltages, suitable for battery-powered devices
Robust protection features including Over Current, Over Temperature, and Under Voltage Lockout (UVLO) to safeguard the device and the load
Low quiescent current enhances battery life in portable applications
Good PSRR ensures performance stability across a range of operating conditions
Broad operating temperature range increases reliability in varied environments
Key Technical Parameters
Voltage Input (Max): 18V
Voltage Output (Min/Fixed): 1.185V
Current Output: 1.2A
Voltage Dropout (Max): 0.6V @ 1.2A
Current Quiescent (Iq): 500 µA
PSRR: 87dB ~ 65dB (120Hz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Under Voltage Lockout (UVLO)
Compatibility
The LDL1117S12R's SOT-223 package is widely used and compatible with various surface mount technologies, facilitating easy integration into diverse circuit designs.
Application Areas
Battery-powered devices
Consumer electronics
Portable and mobile devices
Low power computing
Power supplies
Product Lifecycle
Currently, the LDL1117S12R is in active production with no indication of nearing discontinuation. stmicroelectronics typically provides notifications for end-of-life products well in advance, along with options for replacements or upgrades.
Several Key Reasons to Choose This Product
Low dropout voltage enhances efficiency, critical for battery-operated devices.
Comprehensive protection features ensure long-term reliability under various conditions.
Low quiescent current extends battery life, making it ideal for portable applications.
High PSRR value provides stability in fluctuating power supply conditions.
Wide operating temperature range makes it suitable for use in a broad range of environments.
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