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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsRT8010-33GQW
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RT8010-33GQW - Richtek USA Inc.

Manufacturer Part Number
RT8010-33GQW
Manufacturer
Richtek
Allelco Part Number
32D-RT8010-33GQW
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
123,090 pcs available, New & Original
Parts Description
IC REG BUCK 3.3V 1A 6WDFN
Package
6-WDFN (2x2)
Data sheet
RT8010-33GQW.pdf

Environmental Information

RoHS Declaration.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 123090
  • Unit Price: $1.594
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.594 $1.59
200+ $0.637 $127.40
500+ $0.616 $308.00
1000+ $0.604 $604.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RT8010-33GQW Tech Specifications
Richtek USA Inc. - RT8010-33GQW technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. - RT8010-33GQW

Product Attribute Attribute Value
Manufacturer Richtek
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 5.5V
Topology Buck
Synchronous Rectifier Yes
Supplier Device Package 6-WDFN (2x2)
Series -
Package / Case 6-WDFN Exposed Pad
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 85°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Step-Down
Frequency - Switching 1.5MHz
Current - Output 1A
Base Product Number RT8010

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

RT8010-33GQW Image
RT8010-33GQW (1)

Manufacturer Part Number

RT8010-33GQW

Manufacturer

richtek

Introduction

The RT8010-33GQW is a high-efficiency, synchronous step-down DC-DC converter that provides a fixed 3.3V output voltage from a 2.5V to 5.5V input voltage range. With its integrated power MOSFETs, the RT8010 can deliver up to 1A of output current while maintaining high conversion efficiency. The device features advanced switching control and protection functions, making it an ideal choice for a wide range of portable and power-sensitive applications.

Product Features and Performance

High efficiency up to 92%

Integrated power MOSFETs for high power density

Fixed 3.3V output voltage

Input voltage range: 2.5V to 5.5V

Output current up to 1A

Switching frequency of 1.5MHz

Synchronous rectification for improved efficiency

Comprehensive protection features, including overcurrent, overvoltage, and thermal shutdown

Small 6-pin WDFN package (2x2mm) with exposed thermal pad

Product Advantages

High efficiency and power density for compact design

Stable and reliable performance with advanced protection features

Suitable for a wide range of portable and power-sensitive applications

Easy to integrate into existing designs with fixed output voltage

Key Reasons to Choose This Product

Robust and reliable power conversion solution

Optimized for size-constrained and power-sensitive applications

Excellent efficiency and thermal performance

Comprehensive protection features for increased system reliability

Quality and Safety Features

Rigorously tested and qualified for reliable operation

Compliant with relevant safety and regulatory standards

Backed by richtek's reputation for quality and innovation

Compatibility

The RT8010-33GQW is compatible with a wide range of electronic devices and systems that require a regulated 3.3V power supply, such as microcontrollers, wireless modules, sensors, and other low-power components.

Application Areas

Portable electronics

Wearable devices

Industrial and automation equipment

IoT and edge computing applications

Medical devices

Automotive electronics

Product Lifecycle

The RT8010-33GQW is an active product, and richtek continues to manufacture and support this model. There are no direct equivalent or alternative models available at this time. If customers require more information or need assistance, they are advised to contact our website's sales team.

Frequently Asked Questions(FAQ)

What are the key design considerations when integrating the RT8010-33GQW into a space-constrained PCB layout, and how does its 6-WDFN package influence thermal performance in high ambient temperature environments?
The RT8010-33GQW’s compact 6-WDFN (2x2) package with an exposed pad significantly enhances thermal dissipation compared to standard QFN packages without such features. This allows for more efficient heat transfer from the die to the PCB copper plane, which is critical in designs where board real estate is limited and component spacing must be minimized. However, achieving optimal thermal performance requires careful attention to PCB layout—specifically, using multiple vias under the exposed pad to connect to inner or bottom-layer ground planes, and ensuring adequate copper pour area. In high ambient temperatures up to 85°C, these layout practices help maintain junction temperatures within safe operating limits, especially during continuous 1A load conditions. Without proper thermal management, the regulator may enter thermal shutdown or experience reduced reliability over time.
How does the synchronous rectification feature of the RT8010-33GQW impact efficiency at light loads compared to asynchronous buck regulators, and what measurable improvement can designers expect in battery-powered applications?
The RT8010-33GQW incorporates synchronous rectification using internal MOSFETs instead of a diode in the freewheeling path, which reduces conduction losses and improves overall efficiency—particularly important at moderate to high load currents. At light loads, this architecture maintains higher efficiency than asynchronous counterparts because it avoids the forward voltage drop associated with external Schottky diodes. For example, at 100mA output current, the RT8010-33GQW may achieve over 85% efficiency, whereas similar asynchronous designs might fall below 75% under the same conditions. This translates directly into extended battery life in portable devices such as wearables or IoT nodes powered by Li-ion cells operating across the 2.5V–5.5V input range.
Can the RT8010-33GQW operate reliably in automotive-grade temperature ranges, and what modifications are necessary if extending beyond the specified -40°C to 85°C ambient range?
The RT8010-33GQW is rated for industrial temperature operation from -40°C to 85°C (TA), which covers many non-automotive applications but falls short of AEC-Q100 Grade 2 requirements that extend to 105°C. While the device may function outside this range in some cases, long-term reliability cannot be guaranteed without qualification testing. If deployment above 85°C is required, designers should consider additional derating of output current and implement enhanced cooling strategies such as heatsinking or airflow. Furthermore, semiconductor behavior near the upper limit—such as increased leakage currents or shifted switching characteristics—must be evaluated through characterization, as datasheet parameters are only validated within the stated operating window.
How does the fixed 3.3V output of the RT8010-33GQW compare to adjustable variants in terms of system simplicity and noise performance when powering digital logic circuits?
The fixed 3.3V output of the RT8010-33GQW simplifies power supply design by eliminating the need for external resistors to set the feedback voltage, reducing component count and potential failure points. Compared to adjustable regulators like the RT8010-xxGQW series, the fixed version offers slightly better line and load regulation due to optimized internal reference circuitry tuned specifically for 3.3V operation. This results in lower output ripple—typically under 30mV p-p—which is advantageous when feeding sensitive digital ICs such as microcontrollers or FPGAs that require stable core voltages. However, adjustable versions allow flexibility across different supply rails, making them preferable in mixed-voltage systems where multiple rails are needed.
What is the significance of the 1.5MHz switching frequency in the RT8010-33GQW, and how does it affect inductor selection and electromagnetic interference (EMI) mitigation strategies?
The 1.5MHz switching frequency enables the use of smaller inductors and capacitors compared to lower-frequency regulators, allowing for reduced BOM size and improved transient response. Smaller ferrite-core inductors can be used while maintaining acceptable efficiency, which is beneficial in compact form-factor designs. However, higher frequencies also increase high-frequency noise generation, potentially complicating EMI compliance. To mitigate this, careful PCB layout with short power traces, proper grounding, and filtering techniques—such as adding LC filters at the output—are recommended. Additionally, placing decoupling capacitors close to the regulator minimizes loop inductance and suppresses conducted emissions in the MHz range.
Why would a designer choose the RT8010-33GQW over discrete solutions for generating 3.3V from a 5V USB source, and what are the hidden costs or risks in using integrated PMICs versus custom topologies?
The RT8010-33GQW integrates gate drivers, current sensing, protection circuits, and compensation components into a single chip, drastically reducing design complexity and development time compared to building a buck converter from discrete transistors, diodes, and control ICs. It supports seamless startup sequencing and includes built-in overcurrent and thermal shutdown protections, enhancing system robustness. However, relying on a fixed-output PMIC limits customization; for instance, if future revisions require a slightly different output voltage, redesign efforts may be necessary. Moreover, the cost per unit in low volumes may exceed that of discrete implementations, though this trade-off is often justified by faster time-to-market and reduced risk of human error in analog circuit design.
How does moisture sensitivity level (MSL) 3 classification impact storage and handling procedures for the RT8010-33GQW in high-humidity manufacturing environments, and what reflow profile adjustments might be needed?
With an MSL 3 rating indicating sensitivity to moisture-induced damage after 168 hours (7 days) at 85% relative humidity and 30°C, the RT8010-33GQW must undergo baking prior to reflow if stored beyond that threshold. Failure to do so risks delamination or popcorning during solder reflow, leading to catastrophic failure. Standard lead-free reflow profiles apply, but peak temperatures should not exceed 260°C for more than 30 seconds to avoid degradation of the mold compound or bond wires. Facilities processing large batches of WDFN-packaged devices should implement strict inventory rotation and humidity-controlled dry cabinets to maintain reliability throughout production.
Is it feasible to parallel two RT8010-33GQW units to deliver more than 1A of output current, and what challenges arise in current sharing and stability?
Parallel operation of multiple RT8010-33GQW devices is generally discouraged due to inherent differences in internal thresholds and switching timing, which prevent automatic current balancing. Even minor variations in output voltage can cause one regulator to dominate current delivery while others remain lightly loaded or shut down prematurely. Active current sharing schemes require external circuitry such as sense resistors and control loops, adding complexity and reducing efficiency. Instead, designers should select regulators with explicit multi-phase or parallel-capable architectures if higher current capacity is required. Attempting to parallel the RT8010-33GQW without external intervention typically leads to uneven stress distribution and premature aging of individual units.

Parts with Similar Specifications

The three parts on the right have similar specifications to Richtek USA Inc. RT8010-33GQW

Product Attribute RT8010-10GQW RT8010-15GQW RT8010-18GQW RT8010-16GQW
Part Number RT8010-10GQW RT8010-15GQW RT8010-18GQW RT8010-16GQW
Manufacturer Richtek USA Inc. Richtek USA Inc. Richtek USA Inc. Richtek USA Inc.
Function - - - -
Number of Outputs - - - -
Voltage - Output (Max) - - - -
Topology - - - -
Frequency - Switching - - - -
Voltage - Output (Min/Fixed) - - - -
Voltage - Input (Min) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Current - Output - - - -
Voltage - Input (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Synchronous Rectifier - - - -
Output Configuration - - - -

RT8010-33GQW Datasheet PDF

Download RT8010-33GQW pdf datasheets and Richtek USA Inc. documentation for RT8010-33GQW - Richtek USA Inc..

Environmental Information
RoHS Declaration.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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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.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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RT8010-33GQW Image

RT8010-33GQW

Richtek USA Inc.
32D-RT8010-33GQW

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

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