LD1117STR

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LD1117STR

+BOM

IC REG LIN POS ADJ 800MA SOT223

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 15V
Voltage-Output(Min/Fixed) 1.25V
Voltage-Output(Max) 15V
VoltageDropout(Max) 1.2V @ 800mA
Current-Output 800mA
Current-Quiescent(Iq) 5 mA
PSRR 75dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature 0°C ~ 125°C
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

개요

Description

The LD1117STR is a low-dropout (LDO) voltage regulator commonly used in electronic circuits to maintain a stable output voltage despite variations in input voltage or load conditions. It is part of the LD1117 series, which is known for its efficiency, reliability, and simplicity in applications requiring a fixed or adjustable output voltage.
Key features of the LD1117STR include:
1. Low Dropout Voltage: It operates with a dropout voltage as low as 1.2V at full load, making it suitable for low-voltage applications.

2. Output Current Capability: It can deliver up to 800mA of output current, supporting power requirements for various electronic devices.
3. Output Voltage Options: Available in multiple output voltage versions, such as 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and adjustable, to suit different needs.
4. Thermal Protection: Includes thermal shutdown and current limiting features to prevent damage due to overheating or overcurrent conditions.
5. Package Type: Typically available in a TO-220, SOT-223, or similar package for easy integration into printed circuit boards (PCBs).
The LD1117STR is widely used in consumer electronics, telecommunications, and industrial applications.

Equivalent

The LD1117STR is a voltage regulator. Equivalent products include:
1. LM1117: A widely used 1A low dropout regulator.
2. AMS1117: Similar specifications, often used as a replacement.
3. MIC29152: Offers similar functionality with slight variations.
4. NCP1117: By ON Semiconductor, also compatible.
5. AP1117: An alternative with comparable performance.
Always verify electrical characteristics and pin configurations before substituting to ensure compatibility.

Features

The LD1117STR is a low-dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Current: It can deliver an output current up to 800 mA.
2. Dropout Voltage: It has a low dropout voltage, typically around 1.2V at maximum output current.
3. Output Voltage: It provides a fixed output voltage option, usually available in common values like 1.2V, 1.8V, 2.5V, 3.3V, and 5V.
4. Voltage Regulation: It offers good line and load regulation to maintain a stable output voltage.
5. Thermal Protection: The device includes built-in thermal shutdown to prevent overheating.
6. Current Limitation: It features overcurrent protection, safeguarding against load faults.
7. Package: Available in a SOT-223 package, which allows for efficient heat dissipation.
8. Stability: Requires a minimum output capacitor for stable operation, typically 10 µF.
9. Temperature Range: Operates over a wide temperature range, usually from -40°C to +125°C.
These features make the LD1117STR suitable for applications requiring reliable voltage regulation with low dropout and moderate current capability.

Pinout

The LD1117STR is a low-dropout linear voltage regulator with three pins. Its main function is to provide a stable output voltage from a higher input voltage with minimal voltage drop. The typical pin configuration is as follows:
1. Input (Vin): This pin receives the input voltage, which must be higher than the desired output voltage.
2. Ground (GND): This is the common ground reference for both the input and output voltages.
3. Output (Vout): This pin provides the regulated output voltage.
The LD1117STR is commonly used for applications requiring a stable voltage output with low dropout, meaning it can maintain regulation with a minimal difference between input and output voltages. It is suitable for various electronic devices and circuits where efficient voltage regulation is essential.

Manufacturer

The LD1117STR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company operates in various segments including automotive, industrial, personal electronics, and communications equipment, providing solutions that are integral to modern electronic devices. STMicroelectronics is known for producing microcontrollers, sensors, power management components, and other integrated circuits. Headquartered in Geneva, Switzerland, the company operates worldwide with a strong focus on innovation and sustainability in the electronics and semiconductor industry.

Application

The LD1117STR is a low-dropout (LDO) linear voltage regulator commonly used in various applications. Key areas include:
1. Consumer Electronics: Provides stable voltage for devices like smartphones and tablets.
2. Computing: Used in motherboards and peripherals for powering processors and memory modules.
3. Telecommunications: Powers RF circuits and other critical components in networking equipment.
4. Industrial Automation: Provides reliable power for sensors and control systems.
5. Automotive: Used in infotainment systems and other electronic control units.
6. Medical Devices: Ensures stable power supply for portable and sensitive medical equipment.
These areas benefit from the LD1117STR’s efficiency, low noise, and precision voltage regulation.

Package

The LD1117STR is available in a SOT-223 package type.

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