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LM1117T-ADJ
+Lista de MateriaisIC REG LIN POS ADJ 800MA TO220-3
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FabricanteTexas Instruments
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Peça do Fabricante #LM1117T-ADJ
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Ficha Técnica LM1117T-ADJ DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min / Fixed) | 1.25V |
| Voltage - Output (Max) | 13.8V |
| Voltage Dropout (Max) | 1.2V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 75dB (120Hz) |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| Base Product Number | LM1117 |
Visão Geral
Description
Key features include:
- Low dropout voltage (typically 1.2V at full load), enabling better performance in battery-powered applications.
- Built-in over-current, over-temperature protection, enhancing reliability.
- Wide input voltage range (up to 15V), making it suitable for various applications.
- Compatible with a range of capacitors, simplifying design requirements.
The LM1117T-ADJ is commonly used in power management systems, portable devices, and microcontroller applications where precise voltage regulation is essential. Its compact package and efficiency make it a popular choice among engineers.
Equivalent
Features
1. Adjustable Output Voltage: Supports output voltage ranges from 1.25V to 5V, adjustable with external resistors.
2. Low Dropout Voltage: Typically 1.2V at 800mA load, enabling operation with minimal input-output voltage difference.
3. High Output Current: Capable of delivering output currents up to 800mA, suitable for various applications.
4. Built-in Thermal Protection: Prevents damage from overheating, ensuring reliability.
5. Short-Circuit Protection: Provides current limiting to protect the device and load in case of short circuits.
6. Wide Input Voltage Range: Accepts input voltages from 4.75V to 20V, offering compatibility with diverse power sources.
7. Low Quiescent Current: Features low standby current, enhancing efficiency in battery-powered applications.
8. Standard SOT-223 Package: Compact design suitable for space-constrained environments.
The LM1117T-ADJ is ideal for powering sensitive electronic devices requiring stable voltage regulation.
Pinout
1. Input (Vin): This pin is where the input voltage is connected. It typically requires a voltage higher than the desired output voltage by a specified dropout voltage.
2. Output (Vout): This pin provides the regulated output voltage, which can be adjusted using external resistors to set the desired output level.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting a resistor divider from Vout to Adj and GND, the output voltage can be set according to the desired value, typically between 1.25V and 15V.
The LM1117T-ADJ is widely used in applications requiring a stable output voltage with low dropout, such as in power management for microcontrollers and other digital devices.
Manufacturer
The LM1117T-ADJ is a low-dropout (LDO) voltage regulator, which is widely used in various electronic applications. TI serves diverse markets including automotive, industrial, communications, and consumer electronics, providing solutions that enhance system performance while reducing power consumption. Texas Instruments is recognized for its commitment to research and development, contributing significantly to advancements in technology and electronic design.
Application
1. Power Supply for Microcontrollers: Provides stable voltage for MCUs in embedded systems.
2. Battery-Powered Devices: Regulates voltage for efficiency in portable electronics.
3. Computer Peripherals: Supplies power to devices like USB ports and hard drives.
4. Telecommunications: Ensures reliable voltage for routers and modems.
5. Consumer Electronics: Used in audio equipment, TVs, and gaming consoles.
6. LED Drivers: Powers LED circuits with adjustable voltage requirements.
Its adjustable output voltage feature enables versatile applications across different electronic designs.