LDL1117S12R - STMicroelectronics

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.