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Name: LM2575S-5.0
Brand: Texas Instruments
SKU: LM2575S-5.0
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LM2575S-5.0

Part No.:: LM2575S-5.0

Manufacturer:: Texas Instruments

Package:: TO-263-6, D²Pak (5 Leads + Tab), TO-263BA

Datasheet:: LM2575S-5.0.pdf

Description:: IC REG BUCK 5V 1A TO263-5

In Stock:: 1228

Quantity:: Add To Cart

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LM2575S-5.0 Specifications

Packaging:
Tube
Series:
SIMPLE SWITCHER®
ProductStatus:
Not For New Designs
Function:
Step-Down
OutputConfiguration:
Positive
Topology:
Buck
OutputType:
Fixed
NumberofOutputs:
1
Voltage-Input(Min):
4V
Voltage-Input(Max):
40V
Voltage-Output(Min/Fixed):
5V
Voltage-Output(Max):
-
Current-Output:
1A
Frequency-Switching:
52kHz
SynchronousRectifier:
No
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

LM2575S-5.0 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM2575S-5.0 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM2575S-5.0 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LM2575S-5.0 information

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LM2575S-5.0 Typical application Circuitry

LM2575S-5.0

LM2575S-5.0 is a simple and easy-to-use step-down (buck) regulator IC, providing a fixed 5.0V output voltage.

Application Scenarios for LM2575S-5.0

- Consumer Electronics: Ideal for providing a regulated 5V power supply in devices such as set-top boxes, gaming devices, and portable media players.

- Industrial Controls: Used in control circuits that require a stable 5V supply, such as sensors, PLCs, and motor drivers.

- Automotive Systems: For powering 5V logic circuits from a car's 12V or 24V electrical system.

- Battery-Powered Devices: Efficiently stepping down higher battery voltages to 5V for powering microcontrollers and other digital logic.

Parameter Features of LM2575S-5.0

- Fixed 5V Output: Provides a regulated 5V output, simplifying circuit design by eliminating the need for external feedback components.

- High Efficiency: Up to 85% efficiency, reducing heat generation and improving battery life in portable applications.

- Broad Input Voltage Range: Suitable for a range of power sources, this device can operate at input voltages between 4.75V and 40V.

- Integrated Protection Features: Includes thermal shutdown and current limit protection, enhancing the safety and reliability of the application.

Application Example: 12V to 5V Converter for Automotive Accessories

Designing a 12V to 5V Converter Using LM2575S-5.0

To create a simple 12V to 5V converter for powering USB devices in a car, follow these detailed steps, focusing on critical pin connections and design considerations:

- Input Voltage Connection: Connect the 12V automotive power supply to the VIN pin (pin 1) of LM2575S-5.0. To stabilize the input voltage, place a capacitor between VIN and ground (GND, pin 3).

- Output Voltage Filtering: Attach a capacitor from the OUTPUT pin (pin 2) to ground to smooth the output voltage and reduce ripple. This capacitor's value may have an impact on the transient response and stability.

- Inductor Selection: Place an inductor between the OUTPUT pin (pin 2) and the feedback input to the SW pin (pin 4). In order to keep the output voltage steady, the inductor stores energy and releases it to the load. Choose an inductor with a current rating above the maximum load current.

- Diode Placement: Connect a Schottky diode from the SW pin (pin 4) to the OUTPUT pin (pin 2). The diode should have a low forward voltage drop and a current rating exceeding the maximum output current.

- Grounding: Ensure that the GND pin (pin 3) has a low-resistance path to the system ground to minimize ground bounce and noise.

Design Considerations for LM2575S-5.0

When designing with LM2575S-5.0, consider the following:

- Component Quality: To increase efficiency and lessen output ripple, use inductors and capacitors with low equivalent series resistance (ESR).

- Thermal Management: Monitor the temperature of LM2575S-5.0 under load conditions. A heatsink may be necessary if the IC operates at high ambient temperatures or near its maximum load capacity.

- PCB Layout: Minimize the loop area formed by the input capacitor, LM2575S-5.0, inductor, and output capacitor to reduce electromagnetic interference (EMI) and improve performance.

- Input Voltage Variations: Consider the input voltage range, especially in automotive applications where voltage spikes can occur. Additional input voltage protection may be required.

By carefully following these guidelines, the LM2575S-5.0 can be effectively utilized to develop a compact and efficient 12V to 5V converter, suitable for charging USB devices and powering other 5V accessories in automotive applications.

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6. What is the process for return or replacement of LM2575S-5.0?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM2575S-5.0 we delivered, we will accept the replacement or return of the LM2575S-5.0 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM2575S-5.0.

(3)The PartNo is unused and only in the original unpacked packaging.

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