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Name: LM2591HVSX-ADJ
Brand: Texas Instruments
SKU: LM2591HVSX-ADJ
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 LM2591HVSX-ADJ

Part No.:: LM2591HVSX-ADJ

Manufacturer:: Texas Instruments

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

Datasheet:: LM2591HVSX-ADJ.pdf

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

In Stock:: 2965

Quantity:: Add To Cart

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LM2591HVSX-ADJ Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
SIMPLE SWITCHER®
ProductStatus:
Obsolete
Function:
Step-Down
OutputConfiguration:
Positive
Topology:
Buck
OutputType:
Adjustable
NumberofOutputs:
1
Voltage-Input(Min):
4.5V
Voltage-Input(Max):
60V
Voltage-Output(Min/Fixed):
1.2V
Voltage-Output(Max):
57V
Current-Output:
1A
Frequency-Switching:
150kHz
SynchronousRectifier:
No
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

LM2591HVSX-ADJ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM2591HVSX-ADJ 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 LM2591HVSX-ADJ 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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LM2591HVSX-ADJ information

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LM2591HVSX-ADJ Typical application Circuitry

LM2591HVSX-ADJ

The LM2591HVSX-ADJ is a robust, simple high-efficiency monolithic step-down switch mode regulator from Texas Instruments. A step-down (buck) switching regulator that can drive a 1A load with outstanding line and load control can carry out all of its active activities with the aid of this device.

LM2591HVSX-ADJ Features:

1. High Efficiency: The LM2591HVSX-ADJ operates at a high efficiency, reducing the need for heat sinking in most applications.

2. Adjustable Output Voltage: A variety of applications are possible due to the output voltage's flexibility.

3. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 40V, making it suitable for a broad spectrum of power supply and power conversion operations.

4. Fixed Frequency Operation: It operates at a fixed frequency of 150 kHz, allowing for stable operation and ease of design.

LM2591HVSX-ADJ Application Scenarios:

The LM2591HVSX-ADJ finds its applications in diverse areas like simple high-efficiency step-down (buck) regulators, efficient pre-regulator for linear regulators, and on-card switching regulators for digital to analog converters (DACs) and analog to digital converters (ADCs).

Detailed Circuit Connection - On-Card Switching Regulator Example:

- Pin 1 (GND): This is the ground pin and should be connected to the system ground.

- Pin 2 (FB): The feedback input from the output voltage regulation is connected to this pin. This pin serves as the error amplifier's input for the adjustable version and is used to control the output voltage.

- Pin 3 (ON/OFF): Applying a TTL high signal to this pin turns the regulator on, and a TTL low signal turns it off.

- Pin 4 (Vin): This is the input pin for the voltage that needs to be regulated.

- Pin 5 (OUTPUT): This is the switch output. The saturation voltage Vsense is typically 1.5V.

Design Considerations:

1. Input and Output Capacitors: It's important to choose suitable input and output capacitors for the efficient operation and stability of the LM2591HVSX-ADJ.

2. Inductor Selection: An inductor should be selected according to the maximum input voltage and the frequency of operation.

3. Heat Dissipation: Although the LM2591HVSX-ADJ operates with high efficiency, in some applications, the device might have to dissipate excess heat. An adequate heat sinking mechanism should be in place for such cases.

4. ON/OFF Control: The ON/OFF pin can be connected to the Vin pin to permanently turn on the regulator if the ON/OFF control feature is not required.

In conclusion, the LM2591HVSX-ADJ provides a versatile, simple, and efficient solution for step-down voltage regulation across a range of applications. Circuit design factors should be carefully taken into account to get the most performance out of this device.

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6. What is the process for return or replacement of LM2591HVSX-ADJ?

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(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 LM2591HVSX-ADJ.

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

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