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LD1117DT12TR
+BOMIC REG LINEAR 1.2V 800MA DPAK
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #LD1117DT12TR
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Bảng dữ liệu LD1117DT12TR DataSheet
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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) | 1.2V |
| 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-252-3, DPak (2 Leads + Tab), SC-63 |
Tổng quan
Description
The "DT" in the model number indicates the package type, which is a DPAK (TO-252), a surface-mount package suitable for high-density circuit boards. The "TR" denotes that the component comes in tape and reel packaging, ideal for automated assembly processes.
The LD1117DT12TR offers features like low dropout voltage, typically around 1.1 volts at full load, and internal current and thermal limiting, ensuring protection from excessive currents and overheating. These features make it an efficient and reliable choice for low-power applications. Additionally, its low quiescent current and high output voltage accuracy contribute to its performance in various electronic circuits.
Equivalent
Features
1. Output Voltage: It provides a fixed output voltage of 1.2V.
2. Dropout Voltage: It has a low dropout voltage of about 1.1V at maximum output current.
3. Output Current: The device can deliver up to 800 mA of output current, making it suitable for medium-power applications.
4. Stability: It requires minimal external components for stability, with a typical external capacitor.
5. Thermal Protection: It has built-in thermal shutdown protection to prevent overheating.
6. Short-Circuit Protection: Safeguards against output short circuits.
7. Package: Available in a DPAK package, making it suitable for surface-mount applications.
8. Operating Temperature: Supports a wide temperature range from -40°C to 125°C.
9. Applications: Commonly used in consumer electronics, microcontrollers, and battery-powered devices due to its efficiency and compact size.
These features make the LD1117DT12TR a versatile choice for applications requiring reliable voltage regulation.
Pinout
1. Pin 1 (ADJ/GND): This pin is used as either the ground connection for the fixed-voltage version or the adjust pin for setting the output voltage in the adjustable version.
2. Pin 2 (VOUT): This is the output pin that provides the regulated voltage.
3. Pin 3 (VIN): This is the input pin where the unregulated input voltage is supplied.
4. Tab: The tab is connected internally to the ground (GND) for fixed versions or to the adjust pin for adjustable versions and is often used for heat dissipation as it can be mounted to a heatsink.
The LD1117DT12TR is specifically a 1.2V fixed output voltage version. It is designed to provide a stable 1.2V output with a maximum output current of 800mA.
Manufacturer
Application
1. Consumer Electronics: Power supply for devices like smartphones, tablets, and laptops.
2. Embedded Systems: Voltage regulation for microcontrollers and microprocessors.
3. Telecommunications: Power management in communication devices and infrastructure.
4. Industrial Applications: Regulating power supply for sensors and control systems.
5. Automotive Electronics: Providing stable voltage for on-board electronic systems.
6. Networking Equipment: Ensuring reliable voltage for routers and switches.
7. Medical Devices: Supplying regulated power for diagnostic and monitoring equipment.
These applications benefit from its efficiency, low noise, and compact size.