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Name: LM5180NGUR
Brand: Texas Instruments
SKU: LM5180NGUR
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 LM5180NGUR

Part No.:: LM5180NGUR

Manufacturer:: Texas Instruments

Package:: 8-WDFN Exposed Pad

Datasheet:: LM5180NGUR.pdf

Description:: IC POWER MANAGEMENT

In Stock:: 3871

Quantity:: Add To Cart

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LM5180NGUR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Step-Up/Step-Down
OutputConfiguration:
Positive and Negative
Topology:
Flyback
OutputType:
Adjustable
NumberofOutputs:
1
Voltage-Input(Min):
4.5V
Voltage-Input(Max):
65V
Voltage-Output(Min/Fixed):
1.21V
Voltage-Output(Max):
42V
Current-Output:
-
Frequency-Switching:
10kHz ~ 350kHz
SynchronousRectifier:
No
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount, Wettable Flank

LM5180NGUR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM5180NGUR 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 LM5180NGUR 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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LM5180NGUR information

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LM5180NGUR Typical application Circuitry

LM5180NGUR

The LM5180NGUR is a high voltage primary-side regulated fly back converter. Produced by Texas Instruments, this IC is designed to operate over a wide input voltage range and produce constant output despite input fluctuations.

Key Features of the LM5180NGUR:

1. Primary-Side Regulation (PSR): This feature allows the LM5180NGUR to regulate the output voltage from the primary side, eliminating the need for an opto-isolator, thus reducing system complexity and cost.

2. Wide Input Voltage Range: It can operate over an input voltage range from 4.5V to 100V, making it adaptable to a variety of situations.

3. No-Opto Flyback Topology: This design removes the need for an opto-isolator in isolated power supplies, reducing cost and complexity.

4. Adjustable Switching Frequency: It has an adjustable switching frequency of 100kHz to 500kHz, allowing the designer to optimize the balance between efficiency and the size of the magnetic.

Application Scenarios for LM5180NGUR:

The LM5180NGUR can be used in many applications such as bias power supply for isolated gate drivers, industrial controllers, medical equipment, auxiliary power for white goods, and isolated interface power supply for meters.

Detailed Circuit Connection - Bias Power Supply for Isolated Gate Drivers Example:

- Pin 1 (VCC): The internal power supply of the IC is provided by this pin. It can be supplied by an auxiliary winding from the transformer or a bias supply.

- Pin 2 (UVLO): The lockout pin for under voltages. To modify the UVLO threshold, attach a resistor divider from VIN to this pin.

- Pin 3 (RT): The oscillator frequency is set by connecting a resistor from RT to GND.

- Pin 4 (COMP): This is the compensation pin. It is used to stabilize the control loop.

- Pin 5 (CS): The pin for the current sense. From this pin, connect the sensing resistor to GND.

- Pin 6 (GND): It is connected to the system ground by the ground pin.

- Pin 7 (GD): Connect the gate of the external MOSFET to the Gate Drive pin.

- Pin 8 (VIN): This is the input pin for the primary side voltage.

Design Considerations:

1. Transformer Selection: The transformer turns ratio needs to be selected appropriately to ensure proper regulation of the output voltage with PSR.

2. Component Ratings: Components need to be rated to handle the voltage and current stresses of the application.

3. PCB Layout: A good PCB layout is essential for the operation of a high-frequency switching converter. Short, wide traces minimize parasitic inductance and resistance, and a good ground plane improves thermal performance.

4. Safety measures: The LM5180NGUR is equipped with a number of safety measures, including thermal shutdown, VCC under-voltage lockout, and cycle-by-cycle current limit. Ensure that these features are correctly configured for your specific application.

The LM5180NGUR is a flexible IC that can be applied in a variety of applications overall. Its primary-side regulation feature simplifies design, reduces component count, and improves reliability, making it an excellent choice for many power supply designs.

LM5180NGUR FAQ

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6. What is the process for return or replacement of LM5180NGUR?

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 LM5180NGUR we delivered, we will accept the replacement or return of the LM5180NGUR 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 LM5180NGUR.

(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