規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 5.5V |
| Voltage-Input(Max) | 48V |
| Voltage-Output(Min/Fixed) | 1.22V |
| Voltage-Output(Max) | 43.2V |
| Current-Output | 3A |
| Frequency-Switching | 850kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概述
Description
"Introduction to ST1S14PHR" likely refers to an introductory course or module code, potentially at a university or educational institution. While specific details about the course content aren't provided in the name alone, it can be inferred that "ST1" might suggest a first-year or introductory level of study. "S14" could be an internal code used by the institution to categorize or identify the course. "PHR" might relate to the subject matter, such as pharmacology, philosophy, or public health, depending on the institution's coding system.
Courses like this generally aim to provide foundational knowledge and skills in the respective field, preparing students for more advanced studies. Topics might include key concepts, theories, methodologies, and applications relevant to the subject. The course may also incorporate assessments like assignments, exams, or projects to evaluate student understanding and engagement.
For precise information, such as syllabus details, prerequisites, and objectives, it's best to consult the institution's course catalog or contact the relevant department directly.
Courses like this generally aim to provide foundational knowledge and skills in the respective field, preparing students for more advanced studies. Topics might include key concepts, theories, methodologies, and applications relevant to the subject. The course may also incorporate assessments like assignments, exams, or projects to evaluate student understanding and engagement.
For precise information, such as syllabus details, prerequisites, and objectives, it's best to consult the institution's course catalog or contact the relevant department directly.
Equivalent
The ST1S14PHR is a step-down switching regulator. Equivalent products might include the LM2674 series from Texas Instruments, the MP1584 from Monolithic Power Systems, or the AP34063 from Diodes Incorporated. These alternatives offer similar functionalities but check the specific datasheets for exact feature compatibility, as specifications like input voltage range, output current, and switching frequency can vary. Always ensure the equivalent matches your application's requirements.
Features
The ST1S14PHR is a synchronous step-down switching regulator from STMicroelectronics. It is designed for applications requiring efficient power conversion. Key features include:
1. Input Voltage Range: Supports 2.8V to 18V, accommodating various power sources.
2. Output Voltage: Adjustable from 0.8V to 0.85 * VIN, allowing flexibility for different applications.
3. Output Current: Capable of delivering up to 4A continuous output current.
4. Efficiency: High efficiency due to synchronous rectification, which reduces power loss.
5. Switching Frequency: Fixed at 700 kHz, optimizing size and performance.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start functionality to ensure reliable operation.
7. Feedback Loop: Provides fast transient response, maintaining stable output under varying conditions.
8. Compact Package: Available in a PowerSSO-8 package, suitable for space-constrained applications.
9. Low Quiescent Current: Enhances efficiency during low-load conditions.
These features make the ST1S14PHR suitable for applications like consumer electronics, telecommunications, and industrial equipment, where efficient power regulation is crucial.
1. Input Voltage Range: Supports 2.8V to 18V, accommodating various power sources.
2. Output Voltage: Adjustable from 0.8V to 0.85 * VIN, allowing flexibility for different applications.
3. Output Current: Capable of delivering up to 4A continuous output current.
4. Efficiency: High efficiency due to synchronous rectification, which reduces power loss.
5. Switching Frequency: Fixed at 700 kHz, optimizing size and performance.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start functionality to ensure reliable operation.
7. Feedback Loop: Provides fast transient response, maintaining stable output under varying conditions.
8. Compact Package: Available in a PowerSSO-8 package, suitable for space-constrained applications.
9. Low Quiescent Current: Enhances efficiency during low-load conditions.
These features make the ST1S14PHR suitable for applications like consumer electronics, telecommunications, and industrial equipment, where efficient power regulation is crucial.
Pinout
The ST1S14PHR is a step-down DC-DC converter integrated circuit designed by STMicroelectronics. It comes in a 3x3 mm 8-lead DFN package, which means it has 8 pins.
Here’s a brief outline of its pin functions:
1. VIN: Input voltage pin. Connects to the input supply voltage.
2. EN: Enable pin. This pin is used to enable or disable the device.
3. SW: Switch output pin. Connects to the inductor and carries the switched voltage.
4. GND: Ground pin. Connected to the system ground.
5. FB: Feedback input pin. Used to set the output voltage via an external resistor divider.
6. COMP: Compensation pin. Used for stability and transient response adjustment with external components.
7. VOUT: Output voltage pin. Connects to the output filter and the load.
8. NC: No Connect pin. Usually not connected to any circuit, used for mechanical stability.
These pins enable the ST1S14PHR to efficiently regulate voltage in various electronics applications.
Here’s a brief outline of its pin functions:
1. VIN: Input voltage pin. Connects to the input supply voltage.
2. EN: Enable pin. This pin is used to enable or disable the device.
3. SW: Switch output pin. Connects to the inductor and carries the switched voltage.
4. GND: Ground pin. Connected to the system ground.
5. FB: Feedback input pin. Used to set the output voltage via an external resistor divider.
6. COMP: Compensation pin. Used for stability and transient response adjustment with external components.
7. VOUT: Output voltage pin. Connects to the output filter and the load.
8. NC: No Connect pin. Usually not connected to any circuit, used for mechanical stability.
These pins enable the ST1S14PHR to efficiently regulate voltage in various electronics applications.
Manufacturer
The ST1S14PHR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing, developing, and manufacturing a wide range of semiconductor products, including microcontrollers, sensors, analog and digital ICs, and power management devices. The company serves various markets such as automotive, industrial, personal electronics, and communications, offering components that enable advanced technologies and applications. STMicroelectronics is recognized for its innovation in semiconductor solutions and its contributions to enhancing the efficiency and capabilities of electronic devices.
Application
The ST1S14PHR is a step-down monolithic power switching regulator. Its primary application areas include powering microcontrollers, digital signal processors, and low-voltage digital devices in consumer electronics, industrial systems, and computer peripherals. It is ideal for battery-powered devices due to its high efficiency and low dropout voltage. Additionally, it can be used in point-of-load applications and distributed power architectures. The device's compactness and ability to handle a wide input voltage range make it suitable for portable and space-constrained applications.
Package
The ST1S14PHR is a step-down monolithic power switching regulator. Its package type is PowerSSO-8, which is a thermally efficient, surface-mount package ideal for power management applications.
