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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversLM3551SD
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LM3551SD - Texas Instruments

Manufacturer Part Number
LM3551SD
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM3551SD
ECAD Model
Parts Description
IC LED DRIVER RGLTR 1A 14WSON
Package
14-WFDFN Exposed Pad
Data sheet
LM3551SD.pdf
Our certification
In stock: 13760

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Specifications

LM3551SD Tech Specifications
Texas Instruments - LM3551SD technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM3551SD

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Min) 2.7V  
Voltage - Supply (Max) 5.5V  
Voltage - Output -  
Type DC DC Regulator  
Topology Step-Up (Boost)  
Supplier Device Package 14-WSON (4x4)  
Series -  
Package / Case 14-WFDFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency 1.25MHz  
Dimming -  
Current - Output / Channel 1A (Flash)  
Base Product Number LM3551  
Applications Camera Flash  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LM3551SD

Manufacturer

Texas Instruments

Introduction

The LM3551SD is a single-channel LED driver integrated circuit (IC) designed for camera flash applications. It features a high-efficiency step-up (boost) regulator topology and supports up to 1A of output current.

Product Features and Performance

Single-channel LED driver

Step-up (boost) regulator topology

Supports up to 1A of output current

Operating voltage range: 2.7V to 5.5V

Switching frequency: 1.25MHz

Internal power switch

Thermal shutdown protection

Short-circuit protection

Product Advantages

Efficient and reliable LED driving solution

Compact 14-WSON (4x4) package

Wide operating temperature range: -40°C to 85°C

Suitable for camera flash applications

Key Technical Parameters

Manufacturer Part Number: LM3551SD

Package: 14-WFDFN Exposed Pad

Mounting Type: Surface Mount

Operating Temperature: -40°C to 85°C

Quality and Safety Features

RoHS non-compliant

Thermal shutdown protection

Short-circuit protection

Compatibility

Suitable for camera flash applications

Application Areas

Camera flash

Product Lifecycle

The LM3551SD is an active product, and there are no plans for discontinuation at this time.

Key Reasons to Choose This Product

Efficient step-up (boost) regulator for reliable LED driving

Supports up to 1A of output current

Wide operating voltage and temperature range

Compact and surface-mountable package

Integrated protection features for reliable operation

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM3551SD

Product Attribute LM3551SD LM3549SQ/NOPB LM3552SDX LM3553SD
Part Number LM3551SD LM3549SQ/NOPB LM3552SDX LM3553SD
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Bulk
Voltage - Supply (Max) 5.5V 5.5V 5.5V 5.5V
Topology Step-Up (Boost) Step-Down (Buck), Step-Up (Boost) Step-Up (Boost) Step-Up (Boost)
Voltage - Output - 4.6V - -
Package / Case 14-WFDFN Exposed Pad 24-WFQFN Exposed Pad 14-WFDFN Exposed Pad 12-WFDFN Exposed Pad
Internal Switch(s) Yes Yes Yes Yes
Base Product Number LM3551 LM3549 LM3552 LM3553
Type DC DC Regulator DC DC Regulator DC DC Regulator DC DC Regulator
Voltage - Supply (Min) 2.7V 2.7V 2.7V 2.7V
Supplier Device Package 14-WSON (4x4) 24-WQFN (4x4) 14-WSON (4x4) 12-WSON (3x3)
Dimming - I²C - I²C
Number of Outputs 1 3 1 1
Frequency 1.25MHz 2.4MHz 1.25MHz 1.2MHz
Applications Camera Flash - Camera Flash Backlight, Camera Flash
Series - - - LM3553
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -30°C ~ 85°C (TA) -40°C ~ 85°C (TA) -30°C ~ 85°C (TA)
Current - Output / Channel 1A (Flash) 705mA 1A (Flash) 1.2A (Flash)

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM3551SD Image

LM3551SD

Texas Instruments
32D-LM3551SD

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