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ST1S14PHR
IC REG BUCK ADJUSTABLE 3A 8HSOP
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- 資料表 ST1S14PHR DataSheet
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規格
| 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
ST1S14PHR appears to be a course code, likely relating to a specific educational module or subject. Without specific context, it's challenging to provide an exact introduction to this course. However, such codes are typically used in universities or other educational institutions to identify courses within a curriculum. The letters often represent the department or subject area, while the numbers usually indicate the level and sequence of the course. For instance, "ST" might refer to Statistics, "PHR" to Public Health Research, and "1S14" could relate to the course's level and sequence.
If ST1S14PHR were a course in statistics with a focus on public health research, it might cover statistical methods used in the analysis of public health data, epidemiological studies, and health-related research. The course could include topics such as data collection, statistical inference, probability, data analysis techniques, and the interpretation of public health data.
For an accurate description, specific details from the course syllabus or the institution offering it would be necessary.
If ST1S14PHR were a course in statistics with a focus on public health research, it might cover statistical methods used in the analysis of public health data, epidemiological studies, and health-related research. The course could include topics such as data collection, statistical inference, probability, data analysis techniques, and the interpretation of public health data.
For an accurate description, specific details from the course syllabus or the institution offering it would be necessary.
Features
The ST1S14PHR is a step-down switching regulator from STMicroelectronics. Here are its key features:
1. Efficiency: High-efficiency DC-DC conversion, maximizing power savings.
2. Input Voltage Range: Wide input voltage range, typically from 4.5V to 18V, making it versatile for various applications.
3. Output Voltage: Adjustable output voltage, allowing for precise power supply requirements.
4. Output Current: Capable of delivering up to 4A, suitable for high-power applications.
5. Switching Frequency: Operates at a fixed frequency, commonly around 850 kHz, reducing external component size.
6. Protection Features: Includes overcurrent protection, overtemperature protection, and undervoltage lockout to ensure safe operation.
7. Soft-Start Feature: Built-in soft-start to prevent inrush current during startup.
8. Compact Package: Available in a compact and thermally efficient package, such as PowerFLAT, for space-constrained designs.
9. Low Output Ripple: Designed for minimal output voltage ripple, improving performance in sensitive applications.
10. Low Quiescent Current: Optimized for low quiescent current, enhancing battery life in portable devices.
These features make the ST1S14PHR suitable for various applications, including consumer electronics, industrial systems, and telecommunication equipment.
1. Efficiency: High-efficiency DC-DC conversion, maximizing power savings.
2. Input Voltage Range: Wide input voltage range, typically from 4.5V to 18V, making it versatile for various applications.
3. Output Voltage: Adjustable output voltage, allowing for precise power supply requirements.
4. Output Current: Capable of delivering up to 4A, suitable for high-power applications.
5. Switching Frequency: Operates at a fixed frequency, commonly around 850 kHz, reducing external component size.
6. Protection Features: Includes overcurrent protection, overtemperature protection, and undervoltage lockout to ensure safe operation.
7. Soft-Start Feature: Built-in soft-start to prevent inrush current during startup.
8. Compact Package: Available in a compact and thermally efficient package, such as PowerFLAT, for space-constrained designs.
9. Low Output Ripple: Designed for minimal output voltage ripple, improving performance in sensitive applications.
10. Low Quiescent Current: Optimized for low quiescent current, enhancing battery life in portable devices.
These features make the ST1S14PHR suitable for various applications, including consumer electronics, industrial systems, and telecommunication equipment.
Package
The ST1S14PHR is a step-down switching regulator IC from STMicroelectronics, and it comes in a TSOT-23-5 package.
Pinout
The ST1S14PHR is a step-down monolithic power switching regulator. It typically comes in an 8-pin HSOP (Heat-Slug Small Outline Package) configuration. Here is a brief overview of its pin functions:
1. VIN: Input voltage pin where the supply voltage is connected.
2. SW: Switch node, connected to the inductor for the step-down conversion.
3. GND: Ground pin for reference and power return.
4. FB: Feedback pin used to set the output voltage via a resistor divider.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for external loop compensation.
7. SS: Soft-start pin to control the in-rush current during startup.
8. VREF: Reference voltage pin to set the output voltage baseline.
The ST1S14PHR is designed for efficient power conversion with features like overcurrent protection, thermal shutdown, and high efficiency across various loads.
1. VIN: Input voltage pin where the supply voltage is connected.
2. SW: Switch node, connected to the inductor for the step-down conversion.
3. GND: Ground pin for reference and power return.
4. FB: Feedback pin used to set the output voltage via a resistor divider.
5. EN: Enable pin to turn the device on or off.
6. COMP: Compensation pin for external loop compensation.
7. SS: Soft-start pin to control the in-rush current during startup.
8. VREF: Reference voltage pin to set the output voltage baseline.
The ST1S14PHR is designed for efficient power conversion with features like overcurrent protection, thermal shutdown, and high efficiency across various loads.
Manufacturer
The ST1S14PHR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that specializes in the design and production of a broad range of electronic components and systems. The company serves various markets, including automotive, industrial, personal electronics, communications equipment, and internet-of-things (IoT) applications. It is known for its innovation in the semiconductor industry and provides solutions that make technology more accessible and efficient.
Application
The ST1S14PHR is a step-down switching regulator designed for various applications, including point-of-load power supplies, distributed power systems, and battery-powered devices. Its compact size and efficiency make it suitable for consumer electronics, automotive systems, industrial equipment, and telecommunications. Its adaptability to various input voltages and ability to provide a stable output make it ideal for powering microcontrollers, sensors, and other digital ICs in these sectors.
Equivalent
The ST1S14PHR is a step-down DC-DC converter. Equivalent products include the Texas Instruments TPS62160, Microchip MIC23050, and ON Semiconductor NCP1529. These alternatives offer similar functionalities, such as step-down conversion, compact size, and high efficiency, but always verify specifications like input voltage range, output current, and efficiency to ensure compatibility with your specific application.
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