SC4539ULTRT The Semtech SC4539ULTRT is a DC DC regulator designed for backlight applications. It operates with a current of 30mA and a voltage of 2.8V, featuring PWM dimming.
Mfr Part #:

SC4539ULTRT

Available from 1 distributors
Mfr Name: Semtech
Semtech
The Semtech SC4539ULTRT is a DC DC regulator designed for backlight applications. It operates with a current of 30mA and a voltage of 2.8V, featuring PWM dimming.
Total Stock: 1,013 pcs
$ Price Range: $0.17

SC4539ULTRT Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,013 pcs
1013 pcs On Request 1 On Request On Request 12+ On Request On Request

SC4539ULTRT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Dimming
Frequency
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Topology
Type
Voltage

SC4539ULTRT Description

Short technical summary and product information.

The Semtech SC4539ULTRT is a DC DC regulator IC designed for efficient power management in backlight applications. This device operates at a voltage of 2.8V and can deliver a current of 30mA, with a switching frequency of 800kHz.

 

It supports PWM dimming for precise control of light output. The regulator features an internal switch and is configured as a step-up (boost) topology. The operating temperature range is from -40°C to 85°C (TA).

 

Packaged in an 8-UFDFN Exposed Pad, the SC4539ULTRT is designed for surface mount installation. Its compact 8-MLPD-UT (2x2) supplier package makes it suitable for space-constrained designs.

SC4539ULTRT Quick Information

Product Type: LED Driver
Canonical Name: Semtech SC4539ULTRT DC DC Regulator
Subcategory: DC DC Regulator

SC4539ULTRT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SC4539ULTRT Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

SC4539ULTRT Features

  • DC DC regulator for backlight applications.
  • 30mA current output at 2.8V.
  • Supports PWM dimming control.
  • Surface mountable 8-UFDFN package.
  • Operates from -40°C to 85°C.

SC4539ULTRT Applications

  • LED backlight power for portable devices
  • PWM dimming control for display backlighting
  • Battery-powered equipment requiring high-efficiency boost
  • Single-cell Li-Ion to multi-LED series drive

SC4539ULTRT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage of the SC4539ULTRT?

2.8V.

What package does the SC4539ULTRT come in?

8-UFDFN Exposed Pad (8-MLPD-UT 2x2).

What is the operating temperature range?

-40°C to 85°C.

What is the output current?

30mA.

What is the switching frequency?

800kHz.

Does it support dimming?

Yes, PWM dimming.

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