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LM1117GS-ADJ
+物料清單IC REG LIN POS ADJ 1A SOT-223-3L
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製造商塔金
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製造商部分 #LM1117GS-ADJ
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規格
| 屬性 | 價值 |
| PartStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 12V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 12V |
| VoltageDropout(Max) | 1.3V @ 1A |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 120 µA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
| SupplierDevicePackage | SOT-223-3L |
概述
Description
The LM1117GS-ADJ is a low-dropout linear voltage regulator designed for applications requiring efficient voltage regulation with minimal voltage drop between input and output. This adjustable version allows output voltage customization by using external resistor dividers, covering a range from 1.25V to 13.8V. The device offers a maximum output current of 800mA, making it suitable for various power supply applications.
Key features include a low dropout voltage of approximately 1.2V at full load and an internal current limiting circuit, which provides short-circuit protection. Additionally, it incorporates thermal shutdown to prevent overheating and ensure reliable performance under varying conditions. Its typical applications include powering microcontrollers, embedded systems, and other low-power electronic devices.
The LM1117GS-ADJ is available in a SOT-223 package, which offers compact dimensions suitable for space-constrained designs. Overall, its combination of adjustable voltage output, low dropout operation, and safety features make it a versatile component for designing efficient power management solutions.
Key features include a low dropout voltage of approximately 1.2V at full load and an internal current limiting circuit, which provides short-circuit protection. Additionally, it incorporates thermal shutdown to prevent overheating and ensure reliable performance under varying conditions. Its typical applications include powering microcontrollers, embedded systems, and other low-power electronic devices.
The LM1117GS-ADJ is available in a SOT-223 package, which offers compact dimensions suitable for space-constrained designs. Overall, its combination of adjustable voltage output, low dropout operation, and safety features make it a versatile component for designing efficient power management solutions.
Equivalent
The LM1117GS-ADJ is a low dropout voltage regulator. Equivalent products include:
1. AMS1117-ADJ by Advanced Monolithic Systems
2. TLV1117-33CDCY by Texas Instruments
3. NCP1117ST33T3G by ON Semiconductor
4. AP1117E33G-13 by Diodes Incorporated
These alternatives share similar characteristics such as output voltage range and package type, but always verify specifications and pin compatibility with the original application.
1. AMS1117-ADJ by Advanced Monolithic Systems
2. TLV1117-33CDCY by Texas Instruments
3. NCP1117ST33T3G by ON Semiconductor
4. AP1117E33G-13 by Diodes Incorporated
These alternatives share similar characteristics such as output voltage range and package type, but always verify specifications and pin compatibility with the original application.
Features
The LM1117GS-ADJ is a versatile low-dropout (LDO) voltage regulator with adjustable output. Key features include:
1. Output Current: It can deliver an output current of up to 800 mA.
2. Adjustable Output Voltage: The output voltage can be adjusted from 1.25V to 13.8V, making it suitable for various applications.
3. Dropout Voltage: It has a low dropout voltage, typically about 1.2V at maximum load.
4. Thermal Protection: The regulator includes thermal shutdown protection to prevent overheating.
5. Current Limiting: Built-in current limiting ensures the device operates safely under overload conditions.
6. Stability: It requires only low ESR capacitors for stability, adding to its flexibility.
7. Package Options: Available in surface-mount packages, making it convenient for compact designs.
These features make the LM1117GS-ADJ suitable for a wide range of applications, including power management in consumer electronics, industrial equipment, and computing devices.
1. Output Current: It can deliver an output current of up to 800 mA.
2. Adjustable Output Voltage: The output voltage can be adjusted from 1.25V to 13.8V, making it suitable for various applications.
3. Dropout Voltage: It has a low dropout voltage, typically about 1.2V at maximum load.
4. Thermal Protection: The regulator includes thermal shutdown protection to prevent overheating.
5. Current Limiting: Built-in current limiting ensures the device operates safely under overload conditions.
6. Stability: It requires only low ESR capacitors for stability, adding to its flexibility.
7. Package Options: Available in surface-mount packages, making it convenient for compact designs.
These features make the LM1117GS-ADJ suitable for a wide range of applications, including power management in consumer electronics, industrial equipment, and computing devices.
Pinout
The LM1117GS-ADJ is a low-dropout linear voltage regulator with an adjustable output. It typically comes in a SOT-223 package and has a 3-pin configuration. Here is a concise overview of the pin functions:
1. Input (Pin 1): This is where the input voltage is supplied to the regulator. It should be within the specified input voltage range to ensure proper regulation.
2. Output (Pin 2): This pin provides the regulated output voltage, which can be adjusted using external resistors connected to the adjust pin.
3. Adjust (Pin 3): This pin is used to set the output voltage. By connecting a resistor divider network between the output, adjust, and ground, the output voltage can be adjusted as desired.
These pins are utilized to regulate a desired output voltage with a typical dropout voltage of 1.2 V, making the LM1117GS-ADJ suitable for applications requiring efficiency and stability.
1. Input (Pin 1): This is where the input voltage is supplied to the regulator. It should be within the specified input voltage range to ensure proper regulation.
2. Output (Pin 2): This pin provides the regulated output voltage, which can be adjusted using external resistors connected to the adjust pin.
3. Adjust (Pin 3): This pin is used to set the output voltage. By connecting a resistor divider network between the output, adjust, and ground, the output voltage can be adjusted as desired.
These pins are utilized to regulate a desired output voltage with a typical dropout voltage of 1.2 V, making the LM1117GS-ADJ suitable for applications requiring efficiency and stability.
Manufacturer
The LM1117GS-ADJ is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide array of semiconductor technologies that include analog chips and embedded processors. Their products are used in various applications such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.
TI is recognized for its extensive research and development capabilities, and they have a significant impact on the electronics industry, providing solutions that help pave the way for advancements in technology. They offer products that support advancements in power management, signal chain processing, and microcontrollers, among others. Known for their innovation, TI also provides educational resources and support to engineers and developers around the world, fostering a community that thrives on sharing knowledge and advancing electronic design.
TI is recognized for its extensive research and development capabilities, and they have a significant impact on the electronics industry, providing solutions that help pave the way for advancements in technology. They offer products that support advancements in power management, signal chain processing, and microcontrollers, among others. Known for their innovation, TI also provides educational resources and support to engineers and developers around the world, fostering a community that thrives on sharing knowledge and advancing electronic design.
Application
The LM1117GS-ADJ is a versatile adjustable voltage regulator commonly used in applications requiring a stable power supply. It is often utilized in:
1. Power Supply Circuitry: Provides a stable output voltage for microcontrollers and other digital circuits.
2. Battery-Powered Devices: Efficient power regulation to extend battery life.
3. Communication Equipment: Ensures reliable voltage levels for optimal performance.
4. Consumer Electronics: Used in devices like DVD players and gaming consoles for voltage regulation.
5. Networking Devices: Powers routers and switches with stable voltage.
6. Industrial Equipment: Maintains consistent performance in harsh conditions.
Its low dropout voltage and adjustable output make it ideal for applications needing flexibility and efficiency.
1. Power Supply Circuitry: Provides a stable output voltage for microcontrollers and other digital circuits.
2. Battery-Powered Devices: Efficient power regulation to extend battery life.
3. Communication Equipment: Ensures reliable voltage levels for optimal performance.
4. Consumer Electronics: Used in devices like DVD players and gaming consoles for voltage regulation.
5. Networking Devices: Powers routers and switches with stable voltage.
6. Industrial Equipment: Maintains consistent performance in harsh conditions.
Its low dropout voltage and adjustable output make it ideal for applications needing flexibility and efficiency.
Package
The LM1117GS-ADJ is a voltage regulator in a surface-mount SOT-223 package. It is an adjustable regulator, allowing the output voltage to be set with external resistors.
