Name: LM3557SD-2
Brand: Texas Instruments
SKU: LM3557SD-2
Availability: InStock
Rating: 5 (121 reviews)

LM3557SD-2

For Reference Only

Part Number	LM3557SD-2
Manufacturer	Texas Instruments
Description	IC LED DRIVER RGLTR 800MA 8WSON
Datasheet	LM3557SD-2 Specifications
Package	8-WFDFN Exposed Pad
ECAD
In Stock	5,968 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
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Part Number # LM3557SD-2 (PMIC - LED Drivers) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LM3557SD-2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM3557SD-2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM3557SD-2.

LM3557SD-2 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - LED Drivers
Package	8-WFDFN Exposed Pad
ECAD
Series	-
Type	DC DC Regulator
Topology	Step-Up (Boost)
Internal Switch(s)	Yes
Number of Outputs	1
Voltage - Supply (Min)	2.7V
Voltage - Supply (Max)	7.5V
Voltage - Output	-
Current - Output / Channel	800mA (Switch)
Frequency	1.2MHz
Dimming	-
Applications	Backlight
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-WSON (3x3)

LM3557SD-2 Reviews

Kyle *****imhan

April 6, 2023

★ ★ ★ ★ ★

I've never had a problem with Heisener. Packages arrive on time and in great condition.

Lore*****Doyle

March 29, 2023

★ ★ ★ ★ ★

Best way to locate what I need, on a fast and efficient shipping! Keep up the good work!

Rivk*****wery

March 14, 2023

★ ★ ★ ★ ★

So easy to do business with Heisener and they generally have stock on the items we need.

Tomm*****elton

February 20, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

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LM3557SD-2 Packaging

LM3557SD-2 FAQ

1. How to order LM3557SD-2 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM3557SD-2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM3557SD-2. All suppliers must pass our qualification reviews before they can publish their products including LM3557SD-2 on Heisener; we pay more attention to the channels and quality of LM3557SD-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM3557SD-2 price and inventory displayed accurate?

The price and inventory of LM3557SD-2 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM3557SD-2?

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 LM3557SD-2 we delivered, we will accept the replacement or return of the LM3557SD-2 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 LM3557SD-2.

(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
7.How to contact us to get technical supports, such as LM3557SD-2 pin diagram, LM3557SD-2 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LM3557SD-2 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

LM3557SD-2/NOPB

Texas Instruments

WHITE LED DRIVER, BOOST, LLP-8, Device Topology:Boost (Step Up), No. of Outputs:1, Output Current:-, Output Voltage:22V, Driver Case Style:LLP, No. of Pins:8, Input Voltage Min:2.7V, Input Voltage Max:7.5V, Packaging:Cut Tape , RoHS Compliant: Yes

160

Part Number

Manufacturer

Description

Stock

LM3557SD-2/NOPB-NS

D# 2156-LM3557SD-2/NOPB-NS-ND

Rochester Electronics LLC

1.1A, 1600KHZ PDSO8

LM3557SD-2/NOPB

D# 2156-LM3557SD-2/NOPB-ND

Rochester Electronics LLC

SWITCHING REGULATOR

Part Number

Manufacturer

Description

Stock

LM3557SD-2/NOPB

National Semiconductor Corporation

In stock shipping within 2days

21260

Part Number

Manufacturer

Description

Stock

LM3557SD2NOPBNS

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

1050

LM3557SD2NOPB

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

3188

Part Number

Manufacturer

Description

Stock

LM3557SD2NOPB

Texas Instruments

OEM/CM ONLY

3644

Part Number

Manufacturer

Description

Stock

LM3557SD-2/NOPB

D# NS-LM3557SD-2/NOPB

Texas Instruments

OEM/CM ONLY

7259

Part Number

Manufacturer

Description

Stock

LM3557SD-2/NOPB

Texas Instruments

Switching Regulator, Current-mode, 1.1A, 1600kHz Switching Freq-Max, PDSO8

RoHS: Compliant

1687

Part Number

Manufacturer

Description

Stock

LM3557SD2/NOPB

National Semiconductor Corporation

OEM/CM ONLY

332

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LM3557SD-2

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