Hình ảnh chỉ để tham khảo
LD1117S18TR
+BOMIC REG LINEAR 1.8V 800MA SOT223
-
Nhà sản xuấtSTMicroelectronics
-
Ông. Phần #LD1117S18TR
-
Bảng dữ liệu LD1117S18TR DataSheet
-
Gói SOT-223
-
Có sẵn6465
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 15V |
| Voltage-Output(Min/Fixed) | 1.8V |
| VoltageDropout(Max) | 1.2V @ 800mA |
| Current-Output | 800mA |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Tổng quan
Description
The LD1117S18TR is a low-dropout (LDO) linear voltage regulator from STMicroelectronics. It is designed to provide a stable output voltage of 1.8V with a maximum output current of 800mA. This component features a low dropout voltage, typically around 1.2V at maximum load, which makes it suitable for applications requiring tight voltage regulation even with minimal input-output differential.
Key features of the LD1117S18TR include internal current and thermal limiting, ensuring protection against overload and overheating. The device is housed in a SOT-223 package, which is compact and suitable for surface-mount applications. Its low quiescent current makes it energy-efficient, ideal for battery-powered devices.
The LD1117S18TR is commonly used in consumer electronics, industrial applications, and communication devices where a reliable 1.8V power supply is crucial. Its stability and efficiency make it a popular choice for use in post-regulation of switching power supplies, digital circuits, and microprocessor power supplies.
Key features of the LD1117S18TR include internal current and thermal limiting, ensuring protection against overload and overheating. The device is housed in a SOT-223 package, which is compact and suitable for surface-mount applications. Its low quiescent current makes it energy-efficient, ideal for battery-powered devices.
The LD1117S18TR is commonly used in consumer electronics, industrial applications, and communication devices where a reliable 1.8V power supply is crucial. Its stability and efficiency make it a popular choice for use in post-regulation of switching power supplies, digital circuits, and microprocessor power supplies.
Equivalent
The LD1117S18TR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LM1117-1.8 (Texas Instruments)
2. NCP1117ST18T3G (ON Semiconductor)
3. MIC39100-1.8WS (Microchip Technology)
4. TLV1117-18 (Texas Instruments)
5. LF1117S18 (Unisonic Technologies)
These alternatives share similar specifications but check the datasheets for compatibility.
1. LM1117-1.8 (Texas Instruments)
2. NCP1117ST18T3G (ON Semiconductor)
3. MIC39100-1.8WS (Microchip Technology)
4. TLV1117-18 (Texas Instruments)
5. LF1117S18 (Unisonic Technologies)
These alternatives share similar specifications but check the datasheets for compatibility.
Features
The LD1117S18TR is a voltage regulator known for its reliable performance in various electronic applications. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 1.8V, making it suitable for applications requiring this specific voltage level.
2. Output Current: The LD1117S18TR can deliver up to 800mA of output current, which is adequate for powering moderate loads.
3. Dropout Voltage: It features a low dropout voltage, typically around 1.2V at maximum load, allowing for efficient voltage regulation even when the input voltage is close to the output voltage.
4. Thermal Protection: The device includes over-temperature protection to prevent damage under high thermal conditions.
5. Short-Circuit Protection: It offers short-circuit protection, enhancing the safety and reliability of the regulator in various operational environments.
6. Package: The regulator is available in a surface-mount SOT-223 package, which is compact and suitable for space-constrained applications.
7. Applications: It's widely used in consumer electronics, telecom equipment, and any application where a stable 1.8V power supply is required.
These features make the LD1117S18TR a versatile and dependable choice for voltage regulation tasks.
1. Output Voltage: It provides a fixed output voltage of 1.8V, making it suitable for applications requiring this specific voltage level.
2. Output Current: The LD1117S18TR can deliver up to 800mA of output current, which is adequate for powering moderate loads.
3. Dropout Voltage: It features a low dropout voltage, typically around 1.2V at maximum load, allowing for efficient voltage regulation even when the input voltage is close to the output voltage.
4. Thermal Protection: The device includes over-temperature protection to prevent damage under high thermal conditions.
5. Short-Circuit Protection: It offers short-circuit protection, enhancing the safety and reliability of the regulator in various operational environments.
6. Package: The regulator is available in a surface-mount SOT-223 package, which is compact and suitable for space-constrained applications.
7. Applications: It's widely used in consumer electronics, telecom equipment, and any application where a stable 1.8V power supply is required.
These features make the LD1117S18TR a versatile and dependable choice for voltage regulation tasks.
Pinout
The LD1117S18TR is a voltage regulator in the LD1117 series. It is designed to provide a stable 1.8V output voltage. This specific model typically comes in a SOT-223 package, which features three pins.
The pin functions are as follows:
1. Pin 1 (Adjust/Ground): This pin serves as the ground in the fixed voltage version (such as the LD1117S18TR) or adjustment pin in the adjustable version of the LD1117 series.
2. Pin 2 (Output): This pin provides the regulated output voltage, which is set to 1.8V for the LD1117S18TR.
3. Pin 3 (Input): This pin is connected to the input voltage, which must be higher than the desired output voltage to function correctly.
Additionally, the metal tab on the SOT-223 package is typically connected to Ground for fixed-output versions. The LD1117 series is known for its low dropout voltage, making it suitable for applications requiring efficient voltage regulation.
The pin functions are as follows:
1. Pin 1 (Adjust/Ground): This pin serves as the ground in the fixed voltage version (such as the LD1117S18TR) or adjustment pin in the adjustable version of the LD1117 series.
2. Pin 2 (Output): This pin provides the regulated output voltage, which is set to 1.8V for the LD1117S18TR.
3. Pin 3 (Input): This pin is connected to the input voltage, which must be higher than the desired output voltage to function correctly.
Additionally, the metal tab on the SOT-223 package is typically connected to Ground for fixed-output versions. The LD1117 series is known for its low dropout voltage, making it suitable for applications requiring efficient voltage regulation.
Manufacturer
The LD1117S18TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It is one of the world's largest semiconductor companies, providing solutions for various applications, including automotive, industrial, personal electronics, and communications. The company is known for its innovation in technology and its ability to deliver comprehensive solutions that help drive the advancement of smart, connected, and energy-efficient products.
Application
The LD1117S18TR is a low-dropout voltage regulator commonly used in various applications. It is ideal for power management in electronic devices, providing a stable 1.8V output. Key application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and portable devices for efficient power regulation.
2. Computer Peripherals: Provides stable power for components like USB hubs and network interface cards.
3. Telecommunications: Powers equipment such as modems and routers.
4. Industrial Automation: Used in control systems and sensors requiring precise voltage regulation.
5. Networking Devices: Ensures stable operation of switches and networking hardware.
Its low dropout voltage and compact packaging make it suitable for space-constrained designs.
1. Consumer Electronics: Used in smartphones, tablets, and portable devices for efficient power regulation.
2. Computer Peripherals: Provides stable power for components like USB hubs and network interface cards.
3. Telecommunications: Powers equipment such as modems and routers.
4. Industrial Automation: Used in control systems and sensors requiring precise voltage regulation.
5. Networking Devices: Ensures stable operation of switches and networking hardware.
Its low dropout voltage and compact packaging make it suitable for space-constrained designs.
Package
The LD1117S18TR is typically packaged in a SOT-223 (Surface-Mounted) package. This package type is commonly used for voltage regulators and other similar components, offering a compact size suitable for surface mounting on printed circuit boards (PCBs).
