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LM1117GS-ADJ
IC REG LIN POS ADJ 1A SOT-223-3L
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- 資料表 LM1117GS-ADJ DataSheet
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規格
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 12V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 12V |
| Voltage Dropout (Max) | 1.3V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 120 µA |
| PSRR | 75dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-3L |
概述
Description
The LM1117GS-ADJ is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage for various electronic applications. It features an adjustable output voltage ranging from 1.25V to 13.8V, making it versatile for different circuit requirements. This device can deliver a maximum output current of 800mA while maintaining a dropout voltage typically around 1.2V at 800mA, ensuring efficient power regulation.
The LM1117GS-ADJ operates over a wide input voltage range of 4.75V to 15V, allowing it to be used in various power supply scenarios. It includes built-in protection features such as thermal shutdown and current limiting, enhancing reliability and safety in circuit designs.
Its compact surface-mount package (SOT-223) facilitates integration into space-constrained applications, making it suitable for use in devices like microcontrollers, RF modules, and battery-powered systems. Overall, the LM1117GS-ADJ is an effective choice for engineers needing a reliable and adjustable LDO regulator in their designs.
The LM1117GS-ADJ operates over a wide input voltage range of 4.75V to 15V, allowing it to be used in various power supply scenarios. It includes built-in protection features such as thermal shutdown and current limiting, enhancing reliability and safety in circuit designs.
Its compact surface-mount package (SOT-223) facilitates integration into space-constrained applications, making it suitable for use in devices like microcontrollers, RF modules, and battery-powered systems. Overall, the LM1117GS-ADJ is an effective choice for engineers needing a reliable and adjustable LDO regulator in their designs.
Features
The LM1117GS-ADJ is a low dropout (LDO) voltage regulator featuring adjustable output voltage. Key features include:
1. Output Voltage Range: Adjustable output from 1.25V to 12V.
2. Low Dropout Voltage: Typically 1.2V at full load, allowing operation with minimal input-output voltage difference.
3. High Output Current: Supports output currents up to 800 mA, suitable for various applications.
4. Built-in Thermal Protection: Prevents damage due to overheating.
5. Short Circuit Protection: Safeguards the device in case of output short circuits.
6. Wide Input Voltage Range: Accepts input voltages from 4.5V to 15V.
7. Low Quiescent Current: Ensures efficient operation, especially in battery-powered applications.
8. SMD Package: Available in a compact surface-mount package (TO-263-3), facilitating space-saving designs.
These features make the LM1117GS-ADJ ideal for use in power management systems for microcontrollers, communication devices, and other electronic applications.
1. Output Voltage Range: Adjustable output from 1.25V to 12V.
2. Low Dropout Voltage: Typically 1.2V at full load, allowing operation with minimal input-output voltage difference.
3. High Output Current: Supports output currents up to 800 mA, suitable for various applications.
4. Built-in Thermal Protection: Prevents damage due to overheating.
5. Short Circuit Protection: Safeguards the device in case of output short circuits.
6. Wide Input Voltage Range: Accepts input voltages from 4.5V to 15V.
7. Low Quiescent Current: Ensures efficient operation, especially in battery-powered applications.
8. SMD Package: Available in a compact surface-mount package (TO-263-3), facilitating space-saving designs.
These features make the LM1117GS-ADJ ideal for use in power management systems for microcontrollers, communication devices, and other electronic applications.
Package
The LM1117GS-ADJ is packaged in a SOT-223 surface-mount package. It is designed for low-dropout voltage regulation applications and features three terminals for easy integration into circuits.
Pinout
The LM1117GS-ADJ is a low dropout (LDO) voltage regulator with a pin count of 3. Its pin configuration is as follows:
1. Input (VIN): This pin is used to apply the input voltage to the regulator.
2. Output (VOUT): This pin provides the regulated output voltage. The output voltage can be adjusted using external resistors.
3. Ground (GND): This pin is connected to the ground of the circuit.
The LM1117GS-ADJ is designed to deliver a maximum output current of 800 mA and has a dropout voltage of around 1.2V at full load. It is widely used in applications requiring stable voltage regulation, such as in power management for microcontrollers and other digital circuits.
1. Input (VIN): This pin is used to apply the input voltage to the regulator.
2. Output (VOUT): This pin provides the regulated output voltage. The output voltage can be adjusted using external resistors.
3. Ground (GND): This pin is connected to the ground of the circuit.
The LM1117GS-ADJ is designed to deliver a maximum output current of 800 mA and has a dropout voltage of around 1.2V at full load. It is widely used in applications requiring stable voltage regulation, such as in power management for microcontrollers and other digital circuits.
Manufacturer
The LM1117GS-ADJ is manufactured by Texas Instruments, a prominent global technology company based in the United States. Texas Instruments (TI) specializes in designing and manufacturing semiconductors and various integrated circuits, with a focus on analog electronics and embedded processing. The company serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation and commitment to developing advanced technologies that enhance performance and efficiency in electronic devices.
Application
The LM1117GS-ADJ is a low-dropout (LDO) voltage regulator commonly used in applications such as power management for microcontrollers, portable devices, and battery-powered systems. It provides a stable output voltage with adjustable settings, making it suitable for various electronic circuits, including point-of-load conversions, automotive electronics, and telecommunications. Additionally, it is used in consumer electronics, industrial equipment, and as a power supply in embedded systems.
Equivalent
Equivalent products to the LM1117GS-ADJ include the LM317, MIC2940, LT1117, and TPS7A47. These voltage regulators provide adjustable output and similar specifications. Ensure to check pin configuration, output current, and voltage range for compatibility.
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