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L4985ATR
+BOMLINEAR IC'S
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #L4985ATR
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Có sẵn22367
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Active |
| Mode | Continuous Conduction (CCM) |
| Frequency-Switching | 65kHz |
| Current-Startup | 400 µA |
| Voltage-Supply | 10V ~ 24.5V |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SO |
Tổng quan
Description
Key features of the L4985ATR include its ability to deliver high efficiency across a wide range of loads, with minimal external components required, thus simplifying the overall design and reducing system costs. It supports a wide input voltage range and offers protection features such as overcurrent, overvoltage, and thermal shutdown, ensuring robust and reliable operation in various environments.
Additionally, the L4985ATR is valued for its compact size, making it suitable for space-constrained applications. Its versatility and reliability make it a popular choice among engineers for applications in consumer electronics, telecommunications, and industrial automation.
Equivalent
Features
1. High Efficiency: Designed to minimize power loss, offering high efficiency over a wide load range.
2. Switching Frequency: It supports a fixed switching frequency, which helps in optimizing the performance for various applications.
3. Current Mode Control: Provides stability and fast transient response, making it reliable under different operating conditions.
4. Internal Compensation: Simplifies the design process and reduces external components, saving board space.
5. Soft Start Function: Prevents inrush current during startup, which helps in protecting the circuitry.
6. Thermal Shutdown Protection: Ensures the device is protected from overheating by shutting down when the temperature exceeds safe limits.
7. Overcurrent Protection: Safeguards the converter and the load against excessive currents.
8. Compact Package: Available in a small, surface-mount package ideal for space-constrained applications.
Overall, the L4985ATR is a robust solution for efficient and reliable power regulation in a variety of electronic devices.
Pinout
Key functions of the L4985ATR include:
1. PWM Control: Provides pulse-width modulation for efficient power conversion.
2. Current and Voltage Regulation: Maintains stable output by regulating input current and output voltage.
3. Soft Start: Limits inrush current during power-up, enhancing reliability.
4. Overcurrent Protection: Protects the circuit by shutting down or limiting current during overload conditions.
5. Synchronization: Allows the controller to be synchronized with an external clock.
6. Thermal Shutdown: Over-temperature protection to prevent overheating.
These functions make it suitable for various power management tasks, ensuring efficient and reliable operation in electronic systems. Check the datasheet for specifics about individual pin assignments and additional features.
Manufacturer
Application
1. Consumer Electronics: Provides stable power supply for devices like TVs, set-top boxes, and home audio systems.
2. Industrial Equipment: Used in control systems and instrumentation requiring reliable voltage regulation.
3. Telecommunications: Powers networking equipment and communication devices.
4. Automotive Systems: Supplies power in automotive electronics where a stable voltage is crucial.
5. Computer Peripherals: Supports power management in printers, scanners, and other peripheral devices.
Its efficiency, compactness, and reliability make it suitable for these and other applications requiring efficient voltage conversion and regulation.