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IC REG BST FLYBCK ADJ 5A TO220-5
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製造商德州儀器
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製造商部分 #LM2587T-ADJ
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有存貨285
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90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| 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 | 5A (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 | LM2587 |
概述
Description
Key features include a low standby current, internal thermal shutdown, and overload protection, making it suitable for battery-powered devices and power management systems. Its compact package and integrated switching components enable efficient heat dissipation and reduced board space.
The LM2587T-ADJ has a high switching frequency of up to 100kHz, which minimizes the size of external inductors and capacitors. Overall, this versatile regulator is ideal for applications such as consumer electronics, automotive, and industrial power supply designs.
Equivalent
Features
1. Adjustable Output Voltage: Provides output voltage adjustment from 1.23V to 37V using external resistors.
2. High Efficiency: Efficiency levels can reach 90% or higher, minimizing heat generation.
3. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V, accommodating various power sources.
4. High Output Current: Supports output currents up to 3A, suitable for demanding applications.
5. Integrated Switch: Contains a built-in N-channel MOSFET switch, reducing the need for external components.
6. Protection Features: Includes thermal shutdown and current limiting for enhanced reliability.
7. Easy to Use: Simple design and layout facilitate integration into various circuits.
Overall, the LM2587T-ADJ is ideal for use in battery-powered devices, DC-DC converters, and other applications requiring regulated power.
Pinout
1. Input (Vin): This pin connects to the input voltage source.
2. Ground (GND): This pin serves as the ground reference for the device.
3. Output (Vout): This pin provides the regulated output voltage.
4. Feedback (Vfb): This pin is used to set the output voltage via feedback resistors, allowing for adjustable output.
5. Switch (SW): This pin connects to the internal switch that controls the current flow from the input to the output.
The LM2587T-ADJ is capable of delivering up to 3 A of output current with an adjustable output voltage from 1.23 V to 37 V. This makes it suitable for various applications where efficient power conversion is required.
Manufacturer
Texas Instruments serves a diverse array of industries, including automotive, industrial, communications, and consumer electronics. The LM2587T-ADJ, specifically, is a voltage regulator used for power management in electronic systems, facilitating efficient power supply conversion. Texas Instruments is well-regarded for its innovation in analog technology and commitment to quality, making it a key player in the semiconductor industry.
Application
1. Power Supply Circuits: Converting higher voltages to lower levels for microcontrollers, sensors, and other devices.
2. Battery-Powered Devices: Prolonging battery life by efficiently stepping down voltage.
3. LED Drivers: Providing constant current for LED lighting applications.
4. Telecommunications Equipment: Regulating power in communication devices and systems.
5. Automotive Electronics: Supplying stable voltage in automotive systems and accessories.
Its adjustable output voltage capability makes it versatile for many electronic designs.