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ST1S40IPUR
+NomenclatureIC REG BUCK ADJ 3A 8VFQFPN
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FabricantSemi - conducteurs optiques
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Pièce fabricant #ST1S40IPUR
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Fiche technique ST1S40IPUR DataSheet
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Package VDFN-8
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En stock3042
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 18V |
| Current-Output | 3A |
| Frequency-Switching | 850kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-VDFN Exposed Pad |
Présentation
Description
The ST1S40IPUR is a step-down monolithic power switching regulator specifically designed for efficiency in converting higher input voltages to lower output voltages, suitable for various electronic applications. It typically integrates a power MOSFET and utilizes a PWM control circuit, allowing it to achieve high efficiency and a compact design. The device is often used in applications requiring low power consumption and small size, such as mobile or battery-operated devices.
Key features include:
- Wide input voltage range, which enhances its versatility across different systems.
- High switching frequency, reducing the size of external components.
- Built-in protection features like overcurrent protection, thermal shutdown, and undervoltage lockout.
- Adjustable output voltage through an external resistor divider.
The ST1S40IPUR is valued for its reliability and efficiency in power management tasks, making it suitable for embedded systems and consumer electronics where space and energy efficiency are critical.
Key features include:
- Wide input voltage range, which enhances its versatility across different systems.
- High switching frequency, reducing the size of external components.
- Built-in protection features like overcurrent protection, thermal shutdown, and undervoltage lockout.
- Adjustable output voltage through an external resistor divider.
The ST1S40IPUR is valued for its reliability and efficiency in power management tasks, making it suitable for embedded systems and consumer electronics where space and energy efficiency are critical.
Equivalent
The ST1S40IPUR is a step-down switching regulator from STMicroelectronics. Equivalent products with similar specifications from other manufacturers might include:
1. LM2675 from Texas Instruments
2. LTC3605A from Analog Devices
3. MP2315 from Monolithic Power Systems
4. TPS563201 from Texas Instruments
These alternatives offer similar functionality in terms of voltage regulation and output current capability but always check specific parameters to ensure compatibility with your application.
1. LM2675 from Texas Instruments
2. LTC3605A from Analog Devices
3. MP2315 from Monolithic Power Systems
4. TPS563201 from Texas Instruments
These alternatives offer similar functionality in terms of voltage regulation and output current capability but always check specific parameters to ensure compatibility with your application.
Features
The ST1S40IPUR is a step-down switching regulator from STMicroelectronics. Key features of this component include:
1. Input Voltage Range: Operates with an input voltage range from 4.0V to 18V, making it versatile for various applications.
2. Output Current: Delivers up to 1.5A of output current, suitable for powering medium-power applications.
3. Efficiency: High efficiency up to 95% due to synchronous rectification, which minimizes power losses.
4. Adjustable Output Voltage: The output voltage can be adjusted, offering flexibility in design.
5. Switching Frequency: Features a constant 850 kHz switching frequency, optimizing size and performance.
6. Protection Features: Includes overcurrent and thermal shutdown protections to enhance reliability.
7. Compact Package: Available in a compact, thermally efficient package, ideal for space-constrained applications.
8. Soft-Start: Internal soft-start functionality to limit inrush current during power-up.
This regulator is well-suited for applications such as point-of-load supplies in consumer electronics, industrial systems, and other environments requiring efficient power regulation.
1. Input Voltage Range: Operates with an input voltage range from 4.0V to 18V, making it versatile for various applications.
2. Output Current: Delivers up to 1.5A of output current, suitable for powering medium-power applications.
3. Efficiency: High efficiency up to 95% due to synchronous rectification, which minimizes power losses.
4. Adjustable Output Voltage: The output voltage can be adjusted, offering flexibility in design.
5. Switching Frequency: Features a constant 850 kHz switching frequency, optimizing size and performance.
6. Protection Features: Includes overcurrent and thermal shutdown protections to enhance reliability.
7. Compact Package: Available in a compact, thermally efficient package, ideal for space-constrained applications.
8. Soft-Start: Internal soft-start functionality to limit inrush current during power-up.
This regulator is well-suited for applications such as point-of-load supplies in consumer electronics, industrial systems, and other environments requiring efficient power regulation.
Pinout
The ST1S40IPUR is a step-down DC-DC converter from STMicroelectronics. It is designed to provide a high-efficiency solution for step-down voltage conversion. The package for the ST1S40IPUR is a PowerSSO-8, which typically consists of 8 pins.
The key functions of the ST1S40IPUR include:
1. Input Voltage: It accepts a wide input voltage range, which is useful for various applications.
2. Output Voltage: It provides a fixed or adjustable output voltage, depending on the external resistor configuration.
3. High Efficiency: It is optimized for high efficiency, reducing energy loss and heat generation.
4. Current Mode Control: This ensures stability and fast transient response.
5. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protection.
These features make the ST1S40IPUR suitable for power management in computing, communication devices, consumer electronics, and other applications where efficient voltage step-down is needed.
The key functions of the ST1S40IPUR include:
1. Input Voltage: It accepts a wide input voltage range, which is useful for various applications.
2. Output Voltage: It provides a fixed or adjustable output voltage, depending on the external resistor configuration.
3. High Efficiency: It is optimized for high efficiency, reducing energy loss and heat generation.
4. Current Mode Control: This ensures stability and fast transient response.
5. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protection.
These features make the ST1S40IPUR suitable for power management in computing, communication devices, consumer electronics, and other applications where efficient voltage step-down is needed.
Manufacturer
The ST1S40IPUR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs, develops, manufactures, and markets a broad range of semiconductor products, including discrete and analog devices, microcontrollers, sensors, and digital integrated circuits. The company serves various markets such as automotive, industrial, personal electronics, communications equipment, and computers. It is recognized for its focus on innovation, sustainability, and quality, and it operates with a commitment to delivering energy-efficient and high-performance solutions.
Application
The ST1S40IPUR is a step-down switching regulator commonly used in various applications, including:
1. Telecommunications: Provides efficient power conversion for communication devices.
2. Industrial Equipment: Supports power management in automated systems.
3. Consumer Electronics: Used in power supplies for gadgets and home appliances.
4. Computing: Powers processors and memory in computers and servers.
5. Automotive: Utilized in electronic control units and infotainment systems.
6. Battery-Powered Devices: Optimizes power efficiency to extend battery life.
7. Networking Equipment: Powers routers, switches, and modems.
Its high efficiency and compact size make it suitable for applications requiring reliable power management in constrained spaces.
1. Telecommunications: Provides efficient power conversion for communication devices.
2. Industrial Equipment: Supports power management in automated systems.
3. Consumer Electronics: Used in power supplies for gadgets and home appliances.
4. Computing: Powers processors and memory in computers and servers.
5. Automotive: Utilized in electronic control units and infotainment systems.
6. Battery-Powered Devices: Optimizes power efficiency to extend battery life.
7. Networking Equipment: Powers routers, switches, and modems.
Its high efficiency and compact size make it suitable for applications requiring reliable power management in constrained spaces.
Package
The ST1S40IPUR is a step-down switching voltage regulator from STMicroelectronics. It is typically available in a PowerSSO-8 package, which is a surface-mount package known for its compact size and efficient thermal performance.
