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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversRT4503GQW
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RT4503GQW - Richtek USA Inc.

Manufacturer Part Number
RT4503GQW
Manufacturer
Richtek
Allelco Part Number
32D-RT4503GQW
ECAD Model
Parts Description
IC LED DRVR RGLTR PWM 1.2A 6WDFN
Package
6-WDFN Exposed Pad
Data sheet
RT4503(A).pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 5150

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Specifications

RT4503GQW Tech Specifications
Richtek USA Inc. - RT4503GQW technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. - RT4503GQW

Product Attribute Attribute Value  
Manufacturer Richtek  
Voltage - Supply (Min) 2.5V  
Voltage - Supply (Max) 5.5V  
Voltage - Output 36V  
Type DC DC Regulator  
Topology Step-Up (Boost)  
Supplier Device Package 6-WDFN (2x2)  
Series -  
Package / Case 6-WDFN 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 550kHz  
Dimming PWM  
Current - Output / Channel 1.2A (Switch)  
Base Product Number RT4503  
Applications Backlight  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

RT4503GQW

Manufacturer

richtek

Introduction

The RT4503GQW is a high-efficiency, step-up DC-DC converter designed for driving high-power LED backlights in LCD TVs, monitors, and other display applications. It features a wide input voltage range, 1.2A output current capability, and a switching frequency of 550kHz.

Product Features and Performance

Wide input voltage range of 2.5V to 5.5V

High output voltage of up to 36V

Output current capability of up to 1.2A

Switching frequency of 550kHz

Built-in power switch

Supports PWM dimming

Product Advantages

Highly efficient power conversion for reduced power consumption

Compact size and surface mount package for easy integration

Robust design for reliable operation

Flexible dimming control for adjustable LED brightness

Key Reasons to Choose This Product

Optimized for driving high-power LED backlight applications

Delivers excellent power efficiency and thermal performance

Simplifies design with integrated power switch and dimming control

Ensures reliable and long-lasting operation

Quality and Safety Features

Operates within the extended temperature range of -40°C to 85°C

Overcurrent, overvoltage, and thermal protection features

Complies with relevant safety and regulatory standards

Compatibility

The RT4503GQW is compatible with a wide range of LED backlight applications, including LCD TVs, monitors, and other display devices.

Application Areas

LED backlight driving for LCD TVs, monitors, and other displays

General-purpose step-up DC-DC conversion applications

Product Lifecycle

The RT4503GQW is an active product, and there are no known plans for discontinuation. Richtek may offer alternative or equivalent models in the future, but customers are advised to check with our website's sales team for the latest product information and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Richtek USA Inc. RT4503GQW

Product Attribute RT4503GQW RT4501WSC RT4526GJ6 RT4532WSC
Part Number RT4503GQW RT4501WSC RT4526GJ6 RT4532WSC
Manufacturer Richtek USA Inc. Richtek USA Inc. Richtek USA Inc. Richtek USA Inc.
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Base Product Number RT4503 RT4501 RT4526 RT4532
Dimming PWM PWM PWM I²C, PWM
Voltage - Output 36V 23V - -
Applications Backlight Backlight Backlight Backlight
Voltage - Supply (Max) 5.5V 5.5V 5.5V 5.5V
Number of Outputs 1 2 1 2
Internal Switch(s) Yes Yes Yes Yes
Supplier Device Package 6-WDFN (2x2) 10-WLCSP (0.87x2.07) TSOT-23-6 10-WLCSP (0.87x2.07)
Voltage - Supply (Min) 2.5V 2.5V 2.5V 2.5V
Series - - - -
Current - Output / Channel 1.2A (Switch) 20mA - -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Frequency 550kHz 1.1MHz 1MHz 1.1MHz
Package / Case 6-WDFN Exposed Pad 10-UFBGA, WLCSP SOT-23-6 Thin, TSOT-23-6 10-UFBGA, WLCSP
Topology Step-Up (Boost) Step-Up (Boost) Step-Up (Boost) Step-Up (Boost)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Type DC DC Regulator DC DC Regulator DC DC Regulator DC DC Regulator

RT4503GQW Datasheet PDF

Download RT4503GQW pdf datasheets and Richtek USA Inc. documentation for RT4503GQW - Richtek USA Inc..

Environmental Information
RoHS Declaration.pdf
HTML Datasheet
RT4503(A).pdf

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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RT4503GQW Image

RT4503GQW

Richtek USA Inc.
32D-RT4503GQW

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