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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversRT8477AGSP
RT8477AGSP Image
Image may be representation.
See specifications for product details.

RT8477AGSP - Richtek USA Inc.

Manufacturer Part Number
RT8477AGSP
Manufacturer
Richtek
Allelco Part Number
32D-RT8477AGSP
ECAD Model
Parts Description
IC LED DRIVER CTRLR PWM 8SOP
Detailed Description
Package
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Data sheet
RT8477A ~.pdf
RoHs Status
ROHS3 Compliant
In stock: 8500

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Quantity

Specifications

RT8477AGSP Tech Specifications
Richtek USA Inc. - RT8477AGSP technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. - RT8477AGSP

Product Attribute Attribute Value  
Manufacturer Richtek  
Voltage - Supply (Min) 4.5V  
Voltage - Supply (Max) 50V  
Voltage - Output 50V  
Type DC DC Controller  
Topology Step-Down (Buck), Step-Up (Boost)  
Supplier Device Package 8-SOP-EP  
Series -  
Package / Case 8-SOIC (0.154", 3.90mm Width) 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) No  
Frequency 380kHz  
Dimming Analog, PWM  
Current - Output / Channel -  
Base Product Number RT8477  
Applications Backlight, Lighting  

Parts Introduction

Manufacturer Part Number

RT8477AGSP

Manufacturer

richtek

Introduction

The RT8477AGSP is a high-efficiency, single-channel, step-down/step-up DC-DC controller designed for driving high-brightness LEDs in a wide range of lighting applications. It features a wide input voltage range of 4.5V to 50V, allowing it to be used in a variety of applications. The device provides exceptional LED current regulation and dimming control, making it an ideal choice for LED backlight and lighting applications.

Product Features and Performance

Wide input voltage range: 4.5V to 50V

High efficiency up to 98%

Single-channel step-down/step-up DC-DC controller

Excellent LED current regulation

Analog and PWM dimming control

380kHz switching frequency

Built-in soft-start function

Thermal shutdown protection

Product Advantages

Versatile input voltage range for diverse applications

High efficiency for low power consumption

Precise LED current regulation for consistent brightness

Flexible dimming control options

Reliable thermal protection

Key Reasons to Choose This Product

Optimized for high-brightness LED driving

Robust performance and reliability

Ease of design and implementation

Cost-effective solution for LED lighting applications

Quality and Safety Features

Exposed pad package for enhanced thermal dissipation

Compliance with industry safety standards

Compatibility

The RT8477AGSP is compatible with a wide range of LED-based lighting applications, including:

LED backlight for LCD displays

LED-based general illumination

Architectural lighting

Automotive lighting

Application Areas

Backlight and lighting applications

LED-based general illumination

Architectural and automotive lighting

Product Lifecycle

The RT8477AGSP is an active product. There are no plans for discontinuation at this time. However, as technology evolves, alternative or equivalent models may become available. Customers are advised to contact 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. RT8477AGSP

Product Attribute RT8477AGSP RT8474AGSP RT8471GFP RT8471GJ5
Part Number RT8477AGSP RT8474AGSP RT8471GFP RT8471GJ5
Manufacturer Richtek USA Inc. Richtek USA Inc. Richtek USA Inc. Richtek USA Inc.
Applications Backlight, Lighting Backlight Automotive, Lighting, Signage Automotive, Lighting, Signage
Frequency 380kHz 500kHz - -
Topology Step-Down (Buck), Step-Up (Boost) Step-Down (Buck) Step-Down (Buck) Step-Down (Buck)
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC (0.154', 3.90mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) SOT-23-5 Thin, TSOT-23-5
Voltage - Output 50V 50V - -
Internal Switch(s) No Yes Yes Yes
Number of Outputs 1 1 1 1
Voltage - Supply (Min) 4.5V 4.5V 7V 7V
Base Product Number RT8477 RT8474 RT8471 RT8471
Voltage - Supply (Max) 50V 50V 36V 36V
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Series - - - -
Supplier Device Package 8-SOP-EP 8-SOP-EP 8-MSOP TSOT-23-5
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Output / Channel - 2A (Switch) 1.2A 1A
Dimming Analog, PWM Analog, PWM Analog, PWM Analog, PWM
Type DC DC Controller DC DC Regulator DC DC Regulator DC DC Regulator

RT8477AGSP Datasheet PDF

Download RT8477AGSP pdf datasheets and Richtek USA Inc. documentation for RT8477AGSP - Richtek USA Inc..

Datasheets
RT8477A ~.pdf
Environmental Information
RoHS Declaration.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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RT8477AGSP Image

RT8477AGSP

Richtek USA Inc.
32D-RT8477AGSP

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