規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | VIPER™ |
| ProductStatus | Active |
| OutputIsolation | Non-Isolated |
| InternalSwitch(s) | Yes |
| Voltage-Breakdown | 730V |
| Voltage-StartUp | 14.5 V |
| Voltage-Supply(Vcc/Vdd) | 9V ~ 38V |
| Frequency-Switching | 60kHz |
| Power(Watts) | 8 W |
| FaultProtection | Current Limiting, Over Temperature, Over Voltage |
| OperatingTemperature | -40°C ~ 150°C (TC) |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
概述
Description
The VIPER12ASTR-E is a high-performance electronic component, commonly used in power management and conversion applications. It is a type of integrated circuit (IC) that functions as a switch-mode power supply controller. This component is designed to handle various tasks such as voltage regulation, power efficiency optimization, and reduction of power losses in electronic circuits.
One of the key features of the VIPER12ASTR-E is its ability to operate in a wide range of input voltages, making it versatile for different applications. It integrates an oscillator, PWM controller, and startup circuitry, which simplifies the design process and reduces the number of external components required. This results in a more compact and cost-effective solution.
Additionally, the VIPER12ASTR-E is known for its reliability and robustness, often incorporating protection features such as overvoltage, overload, and thermal shutdown protections. These features enhance the safety and longevity of the devices in which it is used. Overall, the VIPER12ASTR-E is an essential component in modern electronic designs, particularly in power supply units and adapters.
One of the key features of the VIPER12ASTR-E is its ability to operate in a wide range of input voltages, making it versatile for different applications. It integrates an oscillator, PWM controller, and startup circuitry, which simplifies the design process and reduces the number of external components required. This results in a more compact and cost-effective solution.
Additionally, the VIPER12ASTR-E is known for its reliability and robustness, often incorporating protection features such as overvoltage, overload, and thermal shutdown protections. These features enhance the safety and longevity of the devices in which it is used. Overall, the VIPER12ASTR-E is an essential component in modern electronic designs, particularly in power supply units and adapters.
Equivalent
The VIPER12ASTR-E is a power management IC commonly used for off-line power supply applications. Equivalent products from other manufacturers include:
1. NCP1014 by ON Semiconductor: A monolithic high-voltage switching regulator IC.
2. LNK306PN by Power Integrations: Part of the LinkSwitch-TN series, suitable for low-power applications.
3. TOP223YN by Power Integrations: A series of high-efficiency off-line switchers.
4. TNY264PN by Power Integrations: Part of the TinySwitch-II family for compact power supplies.
Ensure compatibility by comparing specifications like input voltage, output power, and switching frequency.
1. NCP1014 by ON Semiconductor: A monolithic high-voltage switching regulator IC.
2. LNK306PN by Power Integrations: Part of the LinkSwitch-TN series, suitable for low-power applications.
3. TOP223YN by Power Integrations: A series of high-efficiency off-line switchers.
4. TNY264PN by Power Integrations: Part of the TinySwitch-II family for compact power supplies.
Ensure compatibility by comparing specifications like input voltage, output power, and switching frequency.
Features
The VIPER12ASTR-E is a high-voltage converter from STMicroelectronics designed for off-line power conversion. It integrates a PWM controller and an avalanche-rugged Power MOSFET in the same package. Key features include:
1. High Voltage Capability: Can handle input voltages up to 700V, making it suitable for a wide range of applications.
2. PWM Controller: Provides efficient regulation and control of power output with minimized energy loss.
3. Low Standby Power: Designed for low standby power consumption, enhancing efficiency in energy-saving applications.
4. Current Mode Control: Allows for easy loop design and inherent pulse-by-pulse current limitation.
5. Protections: Built-in protections such as over-temperature, over-voltage, overload, and short circuit protections increase reliability.
6. Frequency Jittering: Reduces electromagnetic interference (EMI) emissions.
7. Soft Start: Gradually increases the power supply to minimize inrush current.
8. Package Options: Available in various surface-mount and through-hole packages to accommodate different design requirements.
These features make the VIPER12ASTR-E suitable for use in applications like power adapters, consumer electronics, and industrial power supplies.
1. High Voltage Capability: Can handle input voltages up to 700V, making it suitable for a wide range of applications.
2. PWM Controller: Provides efficient regulation and control of power output with minimized energy loss.
3. Low Standby Power: Designed for low standby power consumption, enhancing efficiency in energy-saving applications.
4. Current Mode Control: Allows for easy loop design and inherent pulse-by-pulse current limitation.
5. Protections: Built-in protections such as over-temperature, over-voltage, overload, and short circuit protections increase reliability.
6. Frequency Jittering: Reduces electromagnetic interference (EMI) emissions.
7. Soft Start: Gradually increases the power supply to minimize inrush current.
8. Package Options: Available in various surface-mount and through-hole packages to accommodate different design requirements.
These features make the VIPER12ASTR-E suitable for use in applications like power adapters, consumer electronics, and industrial power supplies.
Pinout
The VIPER12ASTR-E is a monolithic power converter IC designed for use in off-line power supply applications. It typically comes in an 8-pin package. Below is a concise description of its pin count and functions:
1. Pin 1 (GND): Ground reference for the IC.
2. Pin 2 (DRAIN): The high-voltage drain pin of the internal power MOSFET transistor. It is connected to the input voltage.
3. Pin 3 (DRAIN): Another high-voltage drain pin for handling high power.
4. Pin 4 (VDD): Supply voltage input. It powers the IC.
5. Pin 5 (FB): Feedback pin for regulation. It connects to the output voltage control loop.
6. Pin 6 (N.C.): No connection pin for isolation.
7. Pin 7 (SOURCE): Source pin of the power MOSFET, often connected to GND in the application.
8. Pin 8 (SOURCE): Another source pin to help with heat dissipation and electrical connectivity.
The VIPER12ASTR-E integrates a PWM controller and a high-voltage power MOSFET, simplifying the design of flyback, buck, or boost converters for power supply designs.
1. Pin 1 (GND): Ground reference for the IC.
2. Pin 2 (DRAIN): The high-voltage drain pin of the internal power MOSFET transistor. It is connected to the input voltage.
3. Pin 3 (DRAIN): Another high-voltage drain pin for handling high power.
4. Pin 4 (VDD): Supply voltage input. It powers the IC.
5. Pin 5 (FB): Feedback pin for regulation. It connects to the output voltage control loop.
6. Pin 6 (N.C.): No connection pin for isolation.
7. Pin 7 (SOURCE): Source pin of the power MOSFET, often connected to GND in the application.
8. Pin 8 (SOURCE): Another source pin to help with heat dissipation and electrical connectivity.
The VIPER12ASTR-E integrates a PWM controller and a high-voltage power MOSFET, simplifying the design of flyback, buck, or boost converters for power supply designs.
Manufacturer
The VIPER12ASTR-E is manufactured by STMicroelectronics, a leading global semiconductor company. STMicroelectronics is known for designing and manufacturing a wide range of semiconductor devices used in diverse electronic applications. It operates in sectors such as automotive, industrial, personal electronics, computer peripherals, and communications equipment. STMicroelectronics provides innovative solutions in areas like microcontrollers, sensors, power management, and analog products. The company was established in 1987 through the merger of SGS Microelettronica of Italy and Thomson Semiconducteurs of France, and it is headquartered in Geneva, Switzerland.
Application
The VIPER12ASTR-E is a high-voltage converter from STMicroelectronics, primarily used in offline power supply applications. It integrates a PWM controller with an 800V avalanche-rugged MOSFET, making it suitable for a range of applications. Key areas include:
1. SMPS (Switched-Mode Power Supplies): Used in adapters and chargers for consumer electronics.
2. Home Appliances: Provides efficient power management in products like refrigerators and washing machines.
3. Industrial Systems: Utilized in auxiliary power supplies in industrial equipment.
4. LED Drivers: Supports LED lighting applications by regulating power supply.
5. Standby Power Supplies: Efficiently manages low power consumption modes.
Its high efficiency and integrated design make it ideal for compact and efficient power supply solutions.
1. SMPS (Switched-Mode Power Supplies): Used in adapters and chargers for consumer electronics.
2. Home Appliances: Provides efficient power management in products like refrigerators and washing machines.
3. Industrial Systems: Utilized in auxiliary power supplies in industrial equipment.
4. LED Drivers: Supports LED lighting applications by regulating power supply.
5. Standby Power Supplies: Efficiently manages low power consumption modes.
Its high efficiency and integrated design make it ideal for compact and efficient power supply solutions.
Package
The VIPER12ASTR-E is typically provided in a TO-252-3 (DPAK) package. This is a surface-mounted device package used for electronic components, offering a compact form factor suitable for power applications.
