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Name: LM2596SX-5.0
Brand: National Semiconductor
SKU: LM2596SX-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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National Semiconductor LM2596SX-5.0

Part No.:: LM2596SX-5.0

Manufacturer:: National Semiconductor

Package:: -

Datasheet:: LM2596SX-5.0.pdf

Description:: SWITCHING REGULATOR, VOLTAGE-MOD

In Stock:: 12576

Quantity:: Add To Cart

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LM2596SX-5.0 Typical application Circuitry

LM2596SX-5.0

The LM2596SX-5.0 is a part of the LM2596 series, which are highly regarded, simple switcher, step-down (buck) voltage regulators. This variant is designed to deliver a fixed output voltage of 5.0V, suitable for a broad array of applications requiring a regulated power supply. The regulator can generate an output current of up to 3A and has good line and load control.

1. Pin 1 (Feedback, FB): In the LM2596SX-5.0, the feedback pin is internally connected to the correct voltage divider for the 5.0V output, so external connections to this pin for setting the output voltage are not required.

2. Pin 2 (Output, Vout): This pin is where you obtain the regulated 5.0V output. Attach an inductor to this pin by connecting it to your load's positive terminal. This pin must be linked to a capacitor in order to minimize ripple and provide stable output voltage. Also, a Schottky diode should be placed between this pin (at the inductor's other end) and the input voltage supply to provide a path for inductor current when the internal switch is off.

3. Pin 3 (Ground, GND): This is the ground reference pin for the LM2596SX-5.0. Connect all ground-related connections, including the ground side of the output capacitor and any other ground references, to this pin.

4. Pin 4 (Input Voltage, Vin): The input voltage, which must be higher than the desired 5.0V output, is supplied to this pin. A capacitor should be placed as close as possible to this pin to filter the input voltage and stabilize the supply provided to the LM2596SX-5.0.

5. Pin 5 (On/Off Control): This pin is used to enable or disable the LM2596SX-5.0. Applying a low voltage signal to this pin shuts down the regulator, helping to save power when the output is not needed. For normal operation, this pin can be left unconnected or connected to a high voltage level.

When designing a power supply using the LM2596SX-5.0, it is important to adhere to the recommendations provided in the datasheet for inductor and capacitor selection. These components should be chosen carefully based on the load and input voltage to ensure proper operation. Additionally, the layout of the PCB should minimize the distance between the components and the regulator to reduce electromagnetic interference and maintain performance. Thermal management considerations, such as the potential need for a heatsink, should also be taken into account based on the load current and ambient temperature. Following these guidelines ensures that the LM2596SX-5.0 operates efficiently and provides a stable voltage output.

LM2596SX-5.0 information

LM2596SX-5.0 Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
OutputType:
-
Function:
-
OutputConfiguration:
-
Topology:
-
NumberofOutputs:
-
OutputPhases:
-
Voltage-Supply(Vcc/Vdd):
-
Frequency-Switching:
-
DutyCycle(Max):
-
SynchronousRectifier:
-
ClockSync:
-
SerialInterfaces:
-
ControlFeatures:
-
OperatingTemperature:
-
MountingType:
-

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6. What is the process for return or replacement of LM2596SX-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 LM2596SX-5.0 we delivered, we will accept the replacement or return of the LM2596SX-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 LM2596SX-5.0.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations