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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsRT7281GSP
RT7281GSP Image
Image may be representation.
See specifications for product details.

RT7281GSP - Richtek USA Inc.

Manufacturer Part Number
RT7281GSP
Manufacturer
Richtek
Allelco Part Number
32D-RT7281GSP
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 2A 8SOP
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width) Exposed Pad
Data sheet
RT7274/,79,80,81.pdf
RoHs Status
ROHS3 Compliant
In stock: 32890

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Specifications

RT7281GSP Tech Specifications
Richtek USA Inc. - RT7281GSP technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. - RT7281GSP

Product Attribute Attribute Value  
Manufacturer Richtek  
Voltage - Output (Min/Fixed) 0.765V  
Voltage - Output (Max) 8V  
Voltage - Input (Min) 4.5V  
Voltage - Input (Max) 18V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 8-SOP-EP  
Series ACOT™  
Package / Case 8-SOIC (0.154', 3.90mm Width) Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 700kHz  
Current - Output 2A  
Base Product Number RT7281  

Parts Introduction

Manufacturer Part Number

RT7281GSP

Manufacturer

richtek

Introduction

The RT7281GSP is a high-performance, synchronous step-down DC-DC converter that delivers up to 2A of output current. It features a wide input voltage range of 4.5V to 18V, and an adjustable output voltage from 0.765V to 8V. With its fast transient response, high efficiency, and small solution size, the RT7281GSP is an ideal choice for a variety of applications, including portable electronics, industrial equipment, and automotive systems.

Product Features and Performance

Wide input voltage range: 4.5V to 18V

Adjustable output voltage: 0.765V to 8V

Output current up to 2A

Switching frequency of 700kHz

High efficiency up to 95%

Fast transient response

Cycle-by-cycle current limit

Thermal shutdown protection

Soft-start function

Comprehensive protection features

Product Advantages

Efficient power conversion with low power loss

Wide input voltage range for versatile applications

Adjustable output voltage for flexible design

Compact size and surface-mount packaging

Comprehensive protection features for reliable operation

Key Reasons to Choose This Product

High-performance and cost-effective power management solution

Compact size and surface-mount packaging for space-constrained designs

Robust protection features ensure reliable and safe operation

Suitable for a wide range of applications, from portable electronics to industrial equipment

Quality and Safety Features

Manufactured using high-quality components and processes

Compliance with relevant safety and environmental standards

Extensive testing and quality control measures

Compatibility

The RT7281GSP is compatible with a wide range of electronic devices and systems that require a step-down DC-DC converter with a wide input voltage range and adjustable output voltage.

Application Areas

Portable electronics (smartphones, tablets, wearables)

Industrial equipment (automation, instrumentation, control systems)

Automotive systems (infotainment, power management)

General-purpose power supply applications

Product Lifecycle

The RT7281GSP is an active product, and there are currently no plans for discontinuation. Equivalent or alternative models are available, but the specific details would need to be provided by our website's sales team. 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. RT7281GSP

Product Attribute RT7281GSP RT7278GSP RT7294AGJ6F RT7275GQW
Part Number RT7281GSP RT7278GSP RT7294AGJ6F RT7275GQW
Manufacturer Richtek USA Inc. Richtek USA Inc. Richtek USA Inc. Richtek USA Inc.
Output Configuration Positive Positive Positive Positive
Voltage - Output (Min/Fixed) 0.765V 0.765V 0.6V 0.765V
Base Product Number RT7281 RT7278 RT7294 RT7275
Voltage - Output (Max) 8V 8V 8V 8V
Voltage - Input (Max) 18V 18V 18V 18V
Topology Buck Buck Buck Buck
Supplier Device Package 8-SOP-EP 8-SOP-EP TSOT-23-6 10-WDFN (3x3)
Output Type Adjustable Adjustable Adjustable Adjustable
Synchronous Rectifier Yes Yes Yes Yes
Voltage - Input (Min) 4.5V 4.5V 4.3V 4.5V
Series ACOT™ ACOT™ ACOT™ ACOT™
Function Step-Down Step-Down Step-Down Step-Down
Number of Outputs 1 1 1 1
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Frequency - Switching 700kHz 700kHz 500kHz 700kHz
Package / Case 8-SOIC (0.154', 3.90mm Width) Exposed Pad 8-SOIC (0.154", 3.90mm Width) Exposed Pad SOT-23-6 Thin, TSOT-23-6 10-WFDFN Exposed Pad
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Current - Output 2A 3A 2.5A 3A

RT7281GSP Datasheet PDF

Download RT7281GSP pdf datasheets and Richtek USA Inc. documentation for RT7281GSP - Richtek USA Inc..

Environmental Information
RoHS Declaration.pdf
HTML Datasheet
RT7274/,79,80,81.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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RT7281GSP Image

RT7281GSP

Richtek USA Inc.
32D-RT7281GSP

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