What is the Additional Feature ?

Name: LM27403SQX/NOPB
Brand: Texas Instruments
SKU: LM27403SQX/NOPB
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 LM27403SQX/NOPB

Part No.:: LM27403SQX/NOPB

Manufacturer:: Texas Instruments

Package:: 24-WFQFN Exposed Pad

Datasheet:: LM27403SQX/NOPB.pdf

Description:: SYNCHRONOUS BUCK CONTROLLER

In Stock:: 2589

Quantity:: Add To Cart

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LM27403SQX/NOPB Specifications

Package/Case:
24-WFQFN Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
OutputType:
Transistor Driver
Function:
Step-Down
OutputConfiguration:
Positive
Topology:
Buck
NumberofOutputs:
1
OutputPhases:
1
Voltage-Supply(Vcc/Vdd):
3V ~ 20V
Frequency-Switching:
200kHz ~ 1.2MHz
DutyCycle(Max):
93%
SynchronousRectifier:
Yes
ClockSync:
Yes
SerialInterfaces:
-
ControlFeatures:
Enable, Frequency Control, Power Good, Soft Start, Tracking
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

LM27403SQX/NOPB this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM27403SQX/NOPB 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 LM27403SQX/NOPB 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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LM27403SQX/NOPB information

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LM27403SQX/NOPB Typical application Circuitry

LM27403SQX NOPB

The LM27403SQX/NOPB is a synchronous buck controller intended to accurately regulate the output voltage to a desired value. Manufactured by Texas Instruments, it offers high performance and flexibility for power supply designs.

LM27403SQX/NOPB Features:

1. Flexibility: The LM27403SQX/NOPB supports a wide range of input voltages and output currents, which makes it highly versatile for different applications.

2. Precision: It offers precision regulation of output voltage with a 0.5% regulation accuracy over the entire temperature range.

3. Security Features: These features include overvoltage protection (OVP), undervoltage protection (UVP), and overcurrent protection (OCP).

4. Efficiency: The LM27403SQX/NOPB implements synchronous rectification to improve overall system efficiency.

LM27403SQX/NOPB Application Scenarios:

The LM27403SQX/NOPB can be used in applications such as telecommunication systems, industrial systems, server systems, and distributed power systems.

Detailed Circuit Connection - Distributed Power System Example:

- Pin 1 (VIN): This pin is for the input voltage supply. Connect it to the source voltage that you want to regulate.

- Pin 2 (EN): This is the enable pin. It is utilized to turn the LM27403SQX/NOPB on and off. If you want to have the chip always on, you can connect it to the VIN.

- Pin 5 (PGND): This is the power ground pin. It should be connected to the system ground.

- Pin 7 (VCC): This pin is for the internal bias supply voltage. It requires a bypass capacitor to ground.

- Pin 11 (FB): This pin is connected to the feedback input from the output voltage. Connect it to the output through a voltage divider network to set the desired output voltage.

- Pin 13 (PH): This is the phase node pin. It should be connected to the switching node of the power stage.

Design Considerations:

1. Component Selection: Choosing the right inductor, capacitors, and resistors is crucial to ensure the proper functioning of the LM27403SQX/NOPB.

2. PCB Layout: The layout of the PCB should be designed to minimize noise and maintain signal integrity.

3. Thermal Management: It's important to consider the thermal design to avoid overheating, especially in high power applications.

4. Protection Features: It's good practice to take advantage of the protection features offered by the LM27403SQX/NOPB such as OVP, UVP, and OCP to protect your design.

In conclusion, the LM27403SQX/NOPB is a versatile, high performance synchronous buck controller that offers precision output voltage regulation and high efficiency. It's an optimal choice for various applications requiring a stable power supply. Proper design considerations like component selection, PCB layout, and thermal management can ensure its best performance.

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6. What is the process for return or replacement of LM27403SQX/NOPB?

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 LM27403SQX/NOPB we delivered, we will accept the replacement or return of the LM27403SQX/NOPB 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 LM27403SQX/NOPB.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations