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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversSC4539ULTRT
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SC4539ULTRT - Semtech Corporation

Manufacturer Part Number
SC4539ULTRT
Manufacturer
Semtech
Allelco Part Number
32D-SC4539ULTRT
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC LED DRVR RGLTR PWM 30MA 8MLPD
Package
8-MLPD-UT (2x2)
Data sheet
1.SC4539ULTRT.pdf ...

PCN Obsolescence/ EOL

Cylindrical Battery Holders.pdf

HTML Datasheet

SC4539.pdf

PCN Packaging

2.73KHz.pdf
RoHs Status
RoHS Compliant
Compare
Our certification
In stock: 3650
  • Unit Price: $0.728
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.728 $0.73
200+ $0.282 $56.40
500+ $0.272 $136.00
1000+ $0.268 $268.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

SC4539ULTRT Tech Specifications
Semtech Corporation - SC4539ULTRT technical specifications, attributes, parameters and parts with similar specifications to Semtech Corporation - SC4539ULTRT

Product Attribute Attribute Value  
Manufacturer Semtech  
Voltage - Supply (Min) 2.8V  
Voltage - Supply (Max) 5.5V  
Voltage - Output 5V ~ 22V  
Type DC DC Regulator  
Topology Step-Up (Boost)  
Supplier Device Package 8-MLPD-UT (2x2)  
Series -  
Package / Case 8-UFDFN 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 800kHz  
Dimming PWM  
Current - Output / Channel 30mA  
Base Product Number SC4539  
Applications Backlight  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

SC4539ULTRT

Manufacturer

semtech

Introduction

The SC4539ULTRT is a highly efficient, high-performance step-up DC-DC regulator designed for driving LED backlights in portable devices. It features a wide input voltage range, adjustable output voltage, and high switching frequency for compact design.

Product Features and Performance

Wide input voltage range: 2.8V to 5.5V

Adjustable output voltage: 5V to 22V

Output current up to 30mA

High switching frequency of 800kHz

PWM dimming control

Thermal shutdown and overcurrent protection

Product Advantages

Compact and efficient power conversion

Flexible output voltage and current

Advanced protection features for reliable operation

Suitable for a wide range of portable device applications

Key Reasons to Choose This Product

Optimized for LED backlight driving in portable electronics

Delivers high efficiency and performance in a small package

Robust protection features ensure reliable and safe operation

Flexible design allows customization for various application requirements

Quality and Safety Features

Thermal shutdown protection

Overcurrent protection

Complies with industry safety standards

Compatibility

The SC4539ULTRT is designed to be compatible with a wide range of portable electronic devices that require an efficient and adjustable power supply for LED backlighting.

Application Areas

Smartphone and tablet displays

Digital cameras and camcorders

Handheld gaming devices

Other portable electronics with LED backlighting

Product Lifecycle

The SC4539ULTRT is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from semtech or other manufacturers. Customers are advised to contact our sales team through our website for more information on suitable replacement options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Semtech Corporation SC4539ULTRT

Product Attribute SC4538ULTRT SC4537ULTRT SC4540ULTRT SC4541ULTRT
Part Number SC4538ULTRT SC4537ULTRT SC4540ULTRT SC4541ULTRT
Manufacturer Semtech Corporation Semtech Corporation Semtech Corporation Semtech Corporation
Voltage - Output - - - -
Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Frequency - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Internal Switch(s) - - - -
Voltage - Supply (Max) - - - -
Number of Outputs - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Dimming - - - -
Current - Output / Channel - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Topology - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Voltage - Supply (Min) - - - -
Applications - - - -

SC4539ULTRT Datasheet PDF

Download SC4539ULTRT pdf datasheets and Semtech Corporation documentation for SC4539ULTRT - Semtech Corporation.

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
SC4539.pdf
PCN Packaging
2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

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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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SC4539ULTRT Image

SC4539ULTRT

Semtech Corporation
32D-SC4539ULTRT

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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