圖片僅供參考
LM2596R-ADJ
+物料清單IC REG BUCK ADJ 3A TO263-5L
-
製造商塔金
-
製造商部分 #LM2596R-ADJ
-
有存貨16633
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Series | SIMPLE SWITCHER® |
| PartStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.23V |
| Voltage-Output(Max) | 37V |
| Current-Output | 3A |
| Frequency-Switching | 150kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| SupplierDevicePackage | TO-263-5L |
概述
Description
This IC can handle input voltages up to 40V and deliver an output current of up to 3A, making it suitable for powering a variety of devices and circuits. The LM2596R-ADJ operates with a fixed switching frequency of 150 kHz, which helps in reducing the size of the external components and improving efficiency. It also features functionalities such as thermal shutdown, current limiting, and short-circuit protection to enhance reliability.
Common applications include powering microcontrollers, battery chargers, and other electronic devices that require stable, regulated power from varying input sources in both consumer and industrial products.
Equivalent
1. MC34063: A versatile DC-DC converter IC.
2. MP1584: A compact buck converter capable of delivering up to 3A.
3. XL4015: A 5A step-down voltage regulator.
4. L7805: A linear voltage regulator for fixed output.
5. LM2576: A similar step-down voltage regulator with different specifications.
Check the specific current and voltage requirements to ensure compatibility.
Features
1. Adjustable Output Voltage: It can output a voltage range of 1.23V to 37V, depending on the external resistor divider configuration.
2. Output Current: It can deliver up to 3A of continuous output current, making it suitable for a wide range of applications.
3. Efficiency: The regulator is designed for high efficiency, typically around 90%, which helps in minimizing power loss and heat generation.
4. Switching Frequency: It operates at a fixed frequency of 150 kHz, aiding in reduced size of external components like inductors and capacitors.
5. Thermal Shutdown: The LM2596R-ADJ includes thermal shutdown capabilities to protect against overheating.
6. Current Limiting: It is equipped with current limiting to safeguard against excessive current conditions.
7. Low Standby Current: The device has a low standby current, enhancing power savings in idle conditions.
These features make the LM2596R-ADJ suitable for use in various applications like power supplies, LED drivers, and battery chargers.
Pinout
1. VIN (Pin 1): This is the input pin where the unregulated input voltage is supplied. The typical input voltage range is 4.5V to 40V.
2. Output (Pin 2): This pin provides the regulated output voltage. The output voltage is adjustable through an external resistor divider.
3. Ground (Pin 3): This is the ground reference pin for the device, serving as the common ground for both the input and output.
4. Feedback (Pin 4): This pin is used to set the output voltage. It is connected to an external resistor divider network to provide feedback to the internal error amplifier.
5. ON/OFF (Pin 5): This is the shutdown pin. It can be used to turn the device on or off by applying a high or low signal, respectively.
The LM2596R-ADJ is popular due to its efficiency and ease of use in various applications like power supply circuits.
Manufacturer
Application
1. Power Supplies: Used in designing efficient switching power supplies for electronic devices.
2. Battery Chargers: Suitable for designing chargers for lithium-ion and other rechargeable batteries.
3. LED Drivers: Employed in driving LEDs with regulated voltage and current.
4. Embedded Systems: Used in microcontroller-based systems for voltage regulation.
5. Consumer Electronics: Powers various consumer gadgets requiring stable power.
6. Industrial Automation: Provides regulated power in automated systems and machinery.
Its ability to deliver a stable output with high efficiency makes it ideal for numerous electronic applications.