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IC REG BST FLYBCK ADJ 3A TO220-5
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LM2585T-ADJ
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Bảng dữ liệu LM2585T-ADJ DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | SIMPLE SWITCHER® |
| Part Status | Obsolete |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward Converter |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min / Fixed) | 1.23V |
| Voltage - Output (Max) | 60V |
| Current - Output | 3A (Switch) |
| Frequency - Switching | 100kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 Formed Leads |
| Supplier Device Package | TO-220-5 |
| Base Product Number | LM2585 |
Tổng quan
Description
The LM2585T-ADJ is a step-down (buck) voltage regulator designed to efficiently convert a higher input voltage to a lower output voltage. It features an adjustable output voltage range of 1.23V to 37V, making it versatile for various applications. With a maximum output current of 1.5A, it is suitable for powering devices in consumer electronics, telecommunications, and industrial equipment.
Key characteristics include high efficiency (up to 90%), built-in thermal shutdown, and overcurrent protection, ensuring reliability and durability. The regulator operates at a frequency of 100 kHz, allowing the use of small external components for minimal PCB space.
The LM2585T-ADJ is available in a TO-220 package, facilitating easy heat dissipation. With its straightforward implementation and comprehensive performance features, it is an ideal choice for designers seeking an effective solution for voltage regulation in embedded systems and power supply designs.
Key characteristics include high efficiency (up to 90%), built-in thermal shutdown, and overcurrent protection, ensuring reliability and durability. The regulator operates at a frequency of 100 kHz, allowing the use of small external components for minimal PCB space.
The LM2585T-ADJ is available in a TO-220 package, facilitating easy heat dissipation. With its straightforward implementation and comprehensive performance features, it is an ideal choice for designers seeking an effective solution for voltage regulation in embedded systems and power supply designs.
Equivalent
Equivalent products to the LM2585T-ADJ include the LM2596, LM2576, and the TPS5430. These devices are also step-down (buck) voltage regulators with similar output voltage adjustment capabilities and current ratings. Always verify specific electrical parameters and application requirements when selecting alternatives.
Features
The LM2585T-ADJ is a versatile step-down (buck) voltage regulator designed to provide adjustable output voltage. Key features include:
1. Adjustable Output Voltage: Allows for a wide range of output voltages from 1.23V to 37V.
2. High Efficiency: Typically achieves efficiency rates exceeding 85%, reducing heat generation.
3. Output Current: Capable of delivering up to 1A of output current.
4. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V.
5. Built-in Protection: Includes features like thermal shutdown and current limiting for enhanced reliability.
6. Simple Design: Requires minimal external components, facilitating easy integration into circuits.
7. Frequency: Operates at a switching frequency of 100 kHz, which helps in reducing the size of external components.
8. Package: Available in a TO-220 package, suitable for heatsinks and improved thermal performance.
These features make the LM2585T-ADJ ideal for various applications, including power supplies, battery chargers, and automotive systems.
1. Adjustable Output Voltage: Allows for a wide range of output voltages from 1.23V to 37V.
2. High Efficiency: Typically achieves efficiency rates exceeding 85%, reducing heat generation.
3. Output Current: Capable of delivering up to 1A of output current.
4. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V.
5. Built-in Protection: Includes features like thermal shutdown and current limiting for enhanced reliability.
6. Simple Design: Requires minimal external components, facilitating easy integration into circuits.
7. Frequency: Operates at a switching frequency of 100 kHz, which helps in reducing the size of external components.
8. Package: Available in a TO-220 package, suitable for heatsinks and improved thermal performance.
These features make the LM2585T-ADJ ideal for various applications, including power supplies, battery chargers, and automotive systems.
Pinout
The LM2585T-ADJ is a step-down (buck) voltage regulator with a pin count of 5. Its primary functions are as follows:
1. Vin (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switching node connected to the inductor.
4. Vout (Pin 4): Output voltage, adjustable via external resistors.
5. COMP (Pin 5): Compensation pin for stability and transient response adjustment.
The LM2585T-ADJ can provide up to 3A of output current and features a wide input voltage range, making it suitable for various applications in power management.
1. Vin (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switching node connected to the inductor.
4. Vout (Pin 4): Output voltage, adjustable via external resistors.
5. COMP (Pin 5): Compensation pin for stability and transient response adjustment.
The LM2585T-ADJ can provide up to 3A of output current and features a wide input voltage range, making it suitable for various applications in power management.
Manufacturer
The LM2585T-ADJ is manufactured by Texas Instruments (TI), a prominent company in the semiconductor and electronics industry. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and produces a wide range of semiconductor products, including analog and digital signal processing (DSP) integrated circuits, microcontrollers, and power management devices. TI is known for its innovation in technology, catering to various sectors such as automotive, industrial, communications, and consumer electronics. The LM2585T-ADJ is a step-down (buck) voltage regulator that is widely used in power supply applications due to its efficiency and compact size. TI’s commitment to quality and reliability makes it a leading choice for engineers and designers in various applications.
Application
The LM2585T-ADJ is a versatile step-down (buck) voltage regulator, primarily used in various applications including:
1. Power supplies for microcontrollers and digital circuits.
2. DC-DC converters in automotive electronics.
3. Battery-powered devices for efficient voltage regulation.
4. Industrial automation systems.
5. Telecommunications equipment.
6. Consumer electronics, such as laptops and portable devices.
7. LED drivers for lighting applications.
Its adjustable output voltage feature allows it to cater to a wide range of voltage requirements in these areas.
1. Power supplies for microcontrollers and digital circuits.
2. DC-DC converters in automotive electronics.
3. Battery-powered devices for efficient voltage regulation.
4. Industrial automation systems.
5. Telecommunications equipment.
6. Consumer electronics, such as laptops and portable devices.
7. LED drivers for lighting applications.
Its adjustable output voltage feature allows it to cater to a wide range of voltage requirements in these areas.
Package
The LM2585T-ADJ is typically provided in a TO-220 package type. This package design allows for efficient heat dissipation and is suitable for applications requiring higher power handling.
