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Name: LM43603PWPR
Brand: Texas Instruments
SKU: LM43603PWPR
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 LM43603PWPR

Part No.:: LM43603PWPR

Manufacturer:: Texas Instruments

Package:: 16-PowerTSSOP (0.173, 4.40mm Width)

Datasheet:: LM43603PWPR.pdf

Description:: IC REG BUCK ADJ 3A 16HTSSOP

In Stock:: 2724

Quantity:: Add To Cart

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LM43603PWPR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM43603PWPR 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 LM43603PWPR 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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LM43603PWPR Typical application Circuitry

LM43603PWPR

A synchronous buck regulator with versatile functionality, the LM43603PWPR is made to convert voltage effectively in a range of applications. With its adjustable output and wide input voltage range, it may be used in a variety of situations.

Key Applications

1. Power Supplies: Utilized in both AC-DC and DC-DC converters for stable voltage output.

2. Consumer Electronics: Employed in devices like TVs and computers for power management.

3. Renewable Energy Systems: Applied in solar inverters and battery chargers for optimal energy conversion.

Notable Parameters

- Input Voltage: Operates within a 3.5V to 36V range, accommodating a variety of sources.

- Output Voltage: Provides a flexible output from 0.8V up to the input voltage, catering to different needs.

- Efficiency: Boasts a high efficiency, reducing energy loss and heat generation.

- Switching Frequency: Offers a range up to 2.2MHz, allowing for compact component sizing.

Designing a Circuit for LED Lighting

1. Input Filtering: Attach a 10µF capacitor between VIN (pin 1) and GND (pin 2) to filter input noise.

2. Bootstrap Capacitor: Connect a 0.1µF capacitor between BOOT (pin 3) and SW (pin 4) for driving the high-side switch.

3. Inductor Selection: Choose a 4.7µH inductor for the LM43603PWPR output, linking SW (pin 4) to the LED load.

4. Output Capacitance: Place a 22µF capacitor between the LM43603PWPR output and GND to smooth the voltage.

5. Feedback Network: Set the LM43603PWPR output voltage using resistors R1 and R2, connecting R1 from the output to FB (pin 5) and R2 from FB to GND.

6. Compensation Network: Stabilize the loop with a resistor and capacitor between FB (pin 5) and COMP (pin 6).

7. Enable Control: Use the EN pin (pin 7) to switch the regulator on/off with an external signal.

8. Soft-Start Feature: Add a capacitor to SS/TR (pin 8) to manage the startup ramp, preventing inrush currents.

Considerations for Optimal Performance

- Thermal Handling: Ensure proper heat dissipation with a well-designed PCB layout.

- Stable Input Supply: Confirm that the input voltage remains within the specified range.

- Output Precision: Select accurate feedback resistors for precise voltage regulation.

- Frequency Selection: Choose a switching frequency that balances efficiency and component size.

By adhering to these guidelines, the LM43603PWPR can be effectively utilized in an LED lighting application, offering efficient and reliable performance.

LM43603PWPR information

LM43603PWPR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
SIMPLE SWITCHER®
ProductStatus:
Active
Function:
Step-Down
OutputConfiguration:
Positive
Topology:
Buck
OutputType:
Adjustable
NumberofOutputs:
1
Voltage-Input(Min):
3.5V
Voltage-Input(Max):
36V
Voltage-Output(Min/Fixed):
1V
Voltage-Output(Max):
28V
Current-Output:
3A
Frequency-Switching:
200kHz ~ 2.2MHz
SynchronousRectifier:
Yes
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

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6. What is the process for return or replacement of LM43603PWPR?

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 LM43603PWPR we delivered, we will accept the replacement or return of the LM43603PWPR 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 LM43603PWPR.

(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