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L7985ATR
+BOMIC REG BUCK ADJUSTABLE 2A 8HSOP
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メーカーRFE/フューゼテック
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メーカー品番 #L7985ATR
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データシート L7985ATR DataSheet
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パッケージ SOP8
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在庫状況4202
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 38V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 38V |
| Current-Output | 2A |
| Frequency-Switching | 250kHz ~ 1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概要
Description
The L7985ATR is a high-efficiency step-down switching regulator designed for DC-DC conversion applications. Manufactured by STMicroelectronics, it is known for its compact size and robust performance. The device operates over an input voltage range of 4.5V to 38V, making it suitable for various applications, including industrial, communication, and consumer electronics.
Key features of the L7985ATR include a 3A continuous output current capability, adjustable output voltage, and a high switching frequency up to 1.5 MHz, which enables the use of smaller external components. The regulator also supports synchronization with an external clock and features a power-saving mode for light-load efficiency.
The L7985ATR is designed with built-in protection features such as overcurrent, overvoltage, and thermal shutdown, ensuring reliable operation. Its compact HTSSOP16 package with exposed pad enhances thermal performance, making it suitable for space-constrained designs. Overall, the L7985ATR is a versatile and efficient solution for power management needs.
Key features of the L7985ATR include a 3A continuous output current capability, adjustable output voltage, and a high switching frequency up to 1.5 MHz, which enables the use of smaller external components. The regulator also supports synchronization with an external clock and features a power-saving mode for light-load efficiency.
The L7985ATR is designed with built-in protection features such as overcurrent, overvoltage, and thermal shutdown, ensuring reliable operation. Its compact HTSSOP16 package with exposed pad enhances thermal performance, making it suitable for space-constrained designs. Overall, the L7985ATR is a versatile and efficient solution for power management needs.
Equivalent
The L7985ATR is a step-down switching regulator from STMicroelectronics. Equivalent products include:
1. LM2596 - from Texas Instruments
2. MC34063 - from ON Semiconductor
3. LM2675 - from Texas Instruments
4. MP1584 - from Monolithic Power Systems
These alternatives offer similar functionalities, such as voltage regulation and efficiency, but ensure to verify specific specifications and pin compatibility.
1. LM2596 - from Texas Instruments
2. MC34063 - from ON Semiconductor
3. LM2675 - from Texas Instruments
4. MP1584 - from Monolithic Power Systems
These alternatives offer similar functionalities, such as voltage regulation and efficiency, but ensure to verify specific specifications and pin compatibility.
Features
The L7985ATR is a monolithic step-down switching regulator. It features a wide input voltage range from 4.5V to 38V, making it suitable for various applications. The device can deliver an output current of up to 1.5A with high efficiency. It operates with a fixed switching frequency of 250 kHz, ensuring a compact solution with fewer external components.
Key features include an adjustable output voltage as low as 0.6V, soft-start capability for controlled inrush current, and thermal shutdown to protect against overheating. The L7985ATR also offers overcurrent and short-circuit protection, enhancing its reliability.
The device supports a pulse-skipping mode at light loads to improve efficiency, and it has a low power consumption in standby mode. Its current-mode architecture provides fast transient response, crucial for applications requiring quick load changes. The L7985ATR is typically housed in a compact package, facilitating its use in space-constrained environments.
Key features include an adjustable output voltage as low as 0.6V, soft-start capability for controlled inrush current, and thermal shutdown to protect against overheating. The L7985ATR also offers overcurrent and short-circuit protection, enhancing its reliability.
The device supports a pulse-skipping mode at light loads to improve efficiency, and it has a low power consumption in standby mode. Its current-mode architecture provides fast transient response, crucial for applications requiring quick load changes. The L7985ATR is typically housed in a compact package, facilitating its use in space-constrained environments.
Pinout
The L7985ATR is a DC-DC step-down switching regulator manufactured by STMicroelectronics. It comes in an HTSSOP16 package, which has 16 pins. This device is designed to provide efficient power conversion, operating with a wide input voltage range and delivering an adjustable output voltage.
Key functions of the L7985ATR include:
1. Wide Input Voltage Range: It can handle input voltages from 4.5V to 38V, making it suitable for various applications.
2. Adjustable Output Voltage: The output voltage can be adjusted from 0.6V up to the input voltage, allowing flexibility for different applications.
3. High Efficiency: The regulator is designed for high efficiency, reducing power loss and thermal stress.
4. Current Mode Control: It uses a current mode architecture for fast transient response and ease of loop stabilization.
5. Protection Features: It includes overcurrent protection, thermal shutdown, and soft-start functionality to enhance reliability and protection.
6. Synchronization Capability: The device can synchronize to an external clock, enabling the design of complex power supply systems.
These features make the L7985ATR a versatile component for use in power management applications.
Key functions of the L7985ATR include:
1. Wide Input Voltage Range: It can handle input voltages from 4.5V to 38V, making it suitable for various applications.
2. Adjustable Output Voltage: The output voltage can be adjusted from 0.6V up to the input voltage, allowing flexibility for different applications.
3. High Efficiency: The regulator is designed for high efficiency, reducing power loss and thermal stress.
4. Current Mode Control: It uses a current mode architecture for fast transient response and ease of loop stabilization.
5. Protection Features: It includes overcurrent protection, thermal shutdown, and soft-start functionality to enhance reliability and protection.
6. Synchronization Capability: The device can synchronize to an external clock, enabling the design of complex power supply systems.
These features make the L7985ATR a versatile component for use in power management applications.
Manufacturer
The L7985ATR is manufactured by STMicroelectronics. STMicroelectronics is a multinational corporation and a leading global semiconductor company. It designs, develops, manufactures, and markets a wide range of semiconductor products, including microcontrollers, sensors, power management devices, and integrated circuits for various applications, such as automotive, industrial, personal electronics, and communications. Based in Geneva, Switzerland, STMicroelectronics is known for its innovation and extensive research and development efforts.
Application
The L7985ATR is a step-down switching regulator primarily used in applications requiring efficient power conversion. Its key application areas include:
1. Consumer Electronics: Powering microcontrollers, processors, and peripherals in devices like TVs, set-top boxes, and gaming consoles.
2. Automotive: Supplying stable voltages for electronic control units, infotainment systems, and sensors.
3. Industrial: Used in automation equipment, power supply units, and communication systems to ensure reliable operation.
4. Telecommunications: Providing power regulation in network devices, routers, and modems.
5. Computing: Supporting power requirements in servers, laptops, and desktops.
The device's efficiency and reliability make it suitable for any application needing stable DC power from a higher voltage source.
1. Consumer Electronics: Powering microcontrollers, processors, and peripherals in devices like TVs, set-top boxes, and gaming consoles.
2. Automotive: Supplying stable voltages for electronic control units, infotainment systems, and sensors.
3. Industrial: Used in automation equipment, power supply units, and communication systems to ensure reliable operation.
4. Telecommunications: Providing power regulation in network devices, routers, and modems.
5. Computing: Supporting power requirements in servers, laptops, and desktops.
The device's efficiency and reliability make it suitable for any application needing stable DC power from a higher voltage source.
Package
The L7985ATR is a DC-DC converter IC from STMicroelectronics, and it typically comes in a standard package type known as HTSSOP (Thin Shrink Small Outline Package) with exposed pad for enhanced thermal performance.
