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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to LM3549SQE/NOPB.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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: Technical Documents
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National Semiconductor RFQ AVAILABLE

LM3549SQE/NOPB

IC LED DRV RGLTR I2C 24WQFN

Part Number: LM3549SQE/NOPB

Manufacturer: National Semiconductor

Category: LED Drivers

Package: 24-WFQFN Exposed Pad

Datasheet:: LM3549SQE/NOPB.pdf

Description: IC LED DRV RGLTR I2C 24WQFN

Select Quantity Stock: 250

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TECHNICAL RESOURCES

LM3549SQE/NOPB Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: LM3549SQE/NOPB

Manufacturer: National Semiconductor

Package: 24-WFQFN Exposed Pad

Series: -

Package/Case: 24-WFQFN Exposed Pad

Packaging: Bulk

Product Status: Active

Type: DC DC Regulator

Topology: Step-Down (Buck), Step-Up (Boost)

Internal Switch(s): Yes

Number of Outputs: 3

Voltage - Supply (Min): 2.7V

Voltage - Supply (Max): 5.5V

Voltage - Output: 4.6V

Current - Output / Channel: 705mA

Frequency: 2.4MHz

Dimming: I2C

Applications: -

Operating Temperature: -30°C ~ 85°C (TA)

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: 24-WQFN (4x4)

Frequently Asked Questions

1. How can I order LM3549SQE/NOPB from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of LM3549SQE/NOPB?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of LM3549SQE/NOPB updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for LM3549SQE/NOPB?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for LM3549SQE/NOPB?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

LM3549SQE/NOPB Procurement and Technical Support

LM3549SQE/NOPB is manufactured by National Semiconductor. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing LM3549SQE/NOPB and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for LM3549SQE/NOPB.

Part Number: LM3549SQE/NOPB

Manufacturer: National Semiconductor

Package: 24-WFQFN Exposed Pad

Category: LED Drivers

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Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

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