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LM1117S-1.8

Name: LM1117S-1.8
Rating: 4.7 (12 reviews)

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Mfr。パート #LM1117S-1.8
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データシート LM1117S-1.8 DataSheet
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仕様

Manufacturer	HTC Korea TAEJIN Tech
Package	SOT-223-3
Operating Temperature	-40℃~+125℃
Voltage - Supply	12V
Output Type	Fixed
Number of Outputs	1
Output Current	1A
Power Supply Rejection Ratio (PSRR)	75dB@(120Hz)
Features	Overheat protection
Output Voltage	1.8V
Output Configuration	Positive electrode

概要

Description

The LM1117S-1.8 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 1.8V. It is part of the LM1117 series, which is widely used for various electronic applications due to its ease of use and efficient performance. The device operates with an input voltage ranging from 4.75V to 15V, making it suitable for a wide range of power supply configurations.
Key features include a maximum output current of 800mA, low dropout voltage (typically around 1.2V at full load), and built-in thermal protection. The LM1117S-1.8 is available in a compact surface-mount package, which helps save board space in applications like power management for microcontrollers, processors, and other digital circuits.
The regulator also includes short-circuit and thermal protection, ensuring reliable operation in various conditions. Overall, the LM1117S-1.8 is an ideal choice for projects requiring a stable and efficient 1.8V power supply.

Features

The LM1117S-1.8 is a low-dropout (LDO) voltage regulator designed to provide a fixed output voltage of 1.8V. Key features include:
1. Input Voltage Range: Operates with an input voltage of 4.75V to 15V.
2. Output Current: Capable of delivering up to 800mA of output current.
3. Low Dropout Voltage: Typically around 1.2V at full load, making it suitable for battery-operated devices.
4. Thermal Protection: Includes built-in thermal shutdown for enhanced reliability.
5. Short Circuit Protection: Prevents damage from overload conditions.
6. Fast Transient Response: Ensures stable operation during load changes.
7. Compact Packages: Available in TO-220, TO-263, and SOT-223 packages for versatile applications.
These features make the LM1117S-1.8 ideal for use in power management systems, portable devices, and any application requiring stable 1.8V power supply.

Package

The LM1117S-1.8 is typically available in a surface mount SOT-223 package type. This compact package design allows for efficient thermal performance and space-saving on printed circuit boards.

Pinout

The LM1117S-1.8 is a low-dropout (LDO) voltage regulator with a pin count of 3. Its pin configuration and functions are as follows:
1. Input (Vin): This pin is connected to the input voltage supply, which must be higher than the output voltage (1.8V) plus the dropout voltage.
2. Ground (GND): This pin is the reference ground for the regulator.
3. Output (Vout): This pin provides the regulated output voltage of 1.8V.
The LM1117S series is designed to deliver a maximum output current of up to 1A, offering low dropout voltage and good transient response. It is typically used in applications requiring a stable voltage supply.

Manufacturer

The LM1117S-1.8 is a voltage regulator manufactured by Texas Instruments (TI). Texas Instruments is a globally recognized semiconductor company that designs and produces a wide range of electronic components, including analog devices, embedded processors, and digital signal processors. Founded in 1930 and headquartered in Dallas, Texas, TI serves various sectors, including automotive, industrial, communications, and consumer electronics. The company is known for its innovation in semiconductor technology and its contribution to the advancement of electronics.

Application

The LM1117S-1.8 is a low-dropout (LDO) linear voltage regulator commonly used in various applications, including power supply circuits for microcontrollers, digital signal processors, and other low-voltage devices. It provides a stable 1.8V output, making it suitable for battery-powered devices, portable electronics, and embedded systems. Additionally, it is often utilized in telecommunications, automotive, and consumer electronics for voltage regulation and noise filtering to ensure reliable operation.

Equivalent

Equivalent products to the LM1117S-1.8 include the LM1117-1.8, LT1117-1.8, MIC29150, and the AMS1117-1.8. These are low-dropout (LDO) voltage regulators with a similar output voltage of 1.8V, suitable for comparable applications. Always check the specific datasheets for exact specifications and compatibility.