LDL1117S18R - STMicroelectronics

Manufacturer Part Number

LDL1117S18R

Manufacturer

STMicroelectronics

Introduction

Low-dropout voltage regulator for power management applications.

Product Features and Performance

Fixed 1.8V output voltage

Low dropout voltage: 0.6V at 1.2A load

High output current capability: 1.2A

Excellent Power Supply Rejection Ratio (PSRR): 87dB at 120Hz diminishing to 65dB at 100kHz

Low quiescent current: 500µA

Wide input voltage range up to 18V

Product Advantages

Highly suitable for battery-operated devices due to low dropout

Robust output current for demanding applications

Enhanced noise rejection for stable operation

Minimal power loss and high efficiency

Key Technical Parameters

Voltage - Input (Max): 18V

Voltage - Output (Min/Fixed): 1.8V

Current - Output: 1.2A

Voltage Dropout (Max): 0.6V at 1.2A

Current - Quiescent (Iq): 500µA

PSRR: 87dB at 120Hz to 65dB at 100kHz

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Under Voltage Lockout (UVLO) for system safety

Compatibility

Compatible with a wide variety of applications due to its SOT-223 package

Compatible with surface mount technology for easy PCB design and mass production

Application Areas

Consumer Electronics

Telecommunications

Automotive systems

Computer and Office Equipment

Portable Battery-Powered Devices

Product Lifecycle

Status: Active

Not nearing discontinuation

Availability of replacements or upgrades not mentioned, but continuity of product suggests support and provision

Several Key Reasons to Choose This Product

Robust power management solution with high current capability

Low dropout feature is ideal for low-voltage operations, conserving battery life

Broad PSRR range ensures device reliability across various frequencies

Comprehensive protection features enhance system resilience

Consistency with surface mount standards allows for flexible design integration

Active product status indicates ongoing manufacturer support and availability