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Item #:
215597830
3.7V 5V to 3.3V, Mini DC DC Step Down Converter, Constant Current Adjustable Module, for Microcontroller Development Board Power
86% of respondents would recommend this to a friend
Item #:
215597830
KWD 5
Price Details
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With an operating frequency of 1.2 MHz and a conversion efficiency of 80-93%, this converter module is able to provide stable 3.3 V outputs under different voltage inputs.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Wide Voltage Compatibility
This converter supports a broad input range of 3.7V to 5V, ensuring versatility for various microcontroller applications, making it an ideal choice for developers working on diverse projects.
Constant Current Feature
Equipped with adjustable constant current capability, it guarantees stable performance for sensitive electronics, addressing power stability issues often faced in microcontroller development.
Compact Design
The miniaturized form factor of this module allows for easy integration into space-constrained projects, providing a high-quality power solution without sacrificing valuable board space.
Product Details
| Brand | Fayelume |
| Model Number | Fayelumery6go54vs9 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Item Type Name | Power Converters |
| Manufacturer | Fayelume |
| Mfr Part Number | Fayelumery6go54vs9 |
| Input Voltage | 6 volts |
| Output Voltage | 3.3 volts_of_direct_current |
| Plug Type | DC power jack or barrel plug |
| Number of Outlets | 1 |
| Power Source | DC power supply |
| Color | Green |
| Plug Format | DC power jack or barrel plug |
| Item Weight | 0.1 lbs (50 grams) |
Product Description
3.7V 5V to 3.3V, Mini DC DC Step Down Converter, Constant Current Adjustable Module, for Microcontroller Development Board Power
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Customer Questions & Answers
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Question:
What is the maximum output current for this power converter?
Answer: The maximum output current is 700 mA for short durations and 500 mA for long durations. -
Question:
Can this converter handle different input voltages?
Answer: Yes, it supports input voltages ranging from 3.7 V to 6 V. -
Question:
Is the product tested for quality before shipping?
Answer: Yes, all products are rigorously tested to ensure high quality.
Fayelume Power Supplies Fayelumery6go54vs9 Editorial Review
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Pros
- Compact and lightweight design
- Highly efficient power conversion
- Easy to adjust current settings
- Versatile for various projects
- User-friendly installation
Cons
- Small learning curve for beginners
Platform Trust & Buyer Confidence
A
Ahmad
Verified buyer
“Fast delivery, great experience overall.”
03-Jul-26 · via Trustpilot
AM
abbas
Verified buyer
“Excellent item received as expected and before the estimated time. Thanks for the great service.”
19-Jul-26 · via Trustpilot
WA
Waleed
Verified buyer
“Thank you for your message. I received the product and it is very good ? I?m really impressed with how great it works! I will be happy to share my feedback on the website.”
11 February 2026 · via Trustpilot
AA
Ahmed
Verified buyer
“Very good the same exact product that i wanted good shipping and delivery”
10 June 2026 · via Trustpilot
AN
Ambhita
Verified buyer
“Package delivered on time”
10 July 2026 · via Trustpilot
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Features & Benefits
- High conversion efficiency of 80-93% ensures stable outputs.
- Supports output current up to 700 mA for flexible power solutions.
- Compatible with multiple input voltages from 3.7 V to 6 V.
- Easy to install, ideal for DIY enthusiasts and professionals.
- Rigorously tested for quality assurance before shipping.
- Perfect for a wide range of electronic devices.
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