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10 قطع وحدة إمداد طاقة تيار مستمر صغيرة قابلة للتعديل وحدة خفض الجهد

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د.ك3.70 / د.ك4.52

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Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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بطاقة ائتمان أو خصم

دفع آمن مضمون

هدية مجانية

هدية مجانية مع كل عملية شراء

سياسة الشحن

شحن قياسي مجاني للطلبات فوق 9.9 دولار

سياسة الإرجاع

سيتم قبول العناصر المرتجعة في غضون 40 يومًا من تاريخ استلام البضائع. لا يمكن إرجاع أو استبدال العناصر المخصصة. العناصر المشتراة ببطاقة هدية إلكترونية قابلة للاستبدال فقط؛ لا تنطبق عمليات الاسترداد.

هدية مجانية

مرحبًا بكم في Roymall، موقعكم الاحترافي لشراء هدايا المتاجر الكبرى الفاخرة. نحن نقدر ونقدر دعمكم كثيرًا ونريد أن نعبر عن امتناننا بإضافة لمسة إضافية من الإثارة إلى مشترياتكم. عندما تتسوق معنا، لن تستمتع فقط بمنتجات عالية الجودة تعزز نمط حياتك، ولكنك ستتلقى أيضًا هدية مجانية حصرية مع كل طلب تقدمه. هل أنت مستعد لاستكشاف مجموعتنا والعثور على هداياك المثالية؟ تصفح اختيارنا من عناصر المتاجر الكبرى الفاخرة، قدم طلبك، وتطلع إلى وصول هديتك المجانية مع مشترياتك.

سياسة الشحن

سنعمل بجد لتسليم العناصر إليك بعد استلام طلباتك والتأكد من وصولها بأمان. سيتم توفير تفاصيل التسليم في بريد التأكيد الخاص بك.في معظم الحالات، يتم معالجة الطلبات في غضون يومين. في ظروف خاصة، قد يتم تأخيرها على النحو التالي: عند تقديم طلبك يوم السبت أو الأحد أو في أيام العطل الرسمية، سيتم تأخيره لمدة يومين.عادة، يستغرق الأمر من 5 إلى 7 أيام عمل (من الاثنين إلى الجمعة) دون تأثر بتأخر الرحلات الجوية أو العوامل البيئية الأخرى.نظرًا لأن خدمة الشحن لدينا عالمية، فإن أوقات التسليم تعتمد على موقعك، لذلك قد يستغرق الأمر بضعة أيام، ونرجو منك الصبر إذا كنت في مناطق أو دول نائية.

1. سياسة الإرجاع والاستبدال

نحن نقبل فقط العناصر المشتراة من roymall.com. إذا اشتريت من موزعينا المحليين أو تجار التجزئة الآخرين، فلا يمكنك إرجاعها إلينا. العناصر النهائية أو الهدايا المجانية غير قابلة للإرجاع.لكي تكون مؤهلاً للإرجاع، يجب أن يكون العنصر غير مستخدم وفي نفس الحالة التي استلمته بها. يجب أيضًا أن يكون في العبوة الأصلية.بعد استلام تعليمات الإرجاع منا، يرجى تغليف العناصر المرتجعة وإيداع الطرد في مكتب البريد المحلي أو خدمة توصيل أخرى.
سنقوم بمعالجة إرجاعك أو استبدال العنصر في غضون 3-5 أيام عمل بعد استلامه. سيتم معالجة المبلغ المسترد وإضافته تلقائيًا إلى طريقة الدفع الأصلية الخاصة بك.لا يمكن قبول الإرجاع أو الاستبدال إذا تم إنتاج المنتج حسب الطلب، بما في ذلك الحجم المخصص أو اللون المخصص أو الطباعة المخصصة.إذا كنت بحاجة إلى مزيد من المساعدة، يرجى الاتصال بنا. service@roymall.com أو Whatsapp: +447549870296

2. سياسة الاسترداد

ستحصل على استرداد كامل أو رصيد متجر بنسبة 100% بعد استلامنا للطرد المرتجع والتحقق منه. سيتم معالجة المبلغ المسترد وإضافته تلقائيًا إلى طريقة الدفع الأصلية الخاصة بك. يرجى ملاحظة أن تكاليف الشحن وأي رسوم أو ضرائب غير قابلة للاسترداد. تكاليف الشحن الإضافية غير قابلة للاسترداد بمجرد شحن الطرد. أنت مسؤول عن دفع هذه الرسوم، ولا يمكننا إعفاؤها أو استردادها، حتى إذا تم إرجاع الطلب إلينا.بمجرد استلامنا وتأكيد العنصر المرتجع، سنرسل لك بريدًا إلكترونيًا لإعلامك بأننا قد تلقينا العنصر المرتجع. سنخطرك أيضًا بموافقة أو رفض طلب الاسترداد الخاص بك.إذا كانت لديك أي مشاكل تتعلق بعملية الاسترداد، يرجى الاتصال بنا. service@roymall.com أو Whatsapp: +447549870296

Description:
Module Properties: Non-isolated step-down module (BUCK)Rectification: Synchronous rectificationInput voltage: DC 4.75V-23VOutput voltage: DC 1.0V-17V (Adjustable, Output < Input)Output current: Rated current 1.8A (3A MAX, can not be prolonged)Output ripple: 30mV (no-load)Dimension: 17 x 11 x 4mm (L x W x H) / 0.67 x 0.43 x 0.16 inch approx
Package included:
10 x Mini DC-DC step-down adjustable module

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A part of the review has been auto-translated.

WeirdAl VIP3
CA
13/02/2020

So tiny, but so useful!
I needed to add a heat sink to it for my application (20v -> 6v, 600-700 ma), but it's exactly what I needed for my project... Looking forward to finding more uses for it...

So tiny, but so useful!
I needed to add a heat sink to it for my application (20v -> 6v, 600-700 ma), but it's exactly what I needed for my project... Looking forward to finding more uses for it...

So tiny, but so useful!
I needed to add a heat sink to it for my application (20v -> 6v, 600-700 ma), but it's exactly what I needed for my project... Looking forward to finding more uses for it...
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Henic VIP3
DE
20/06/2020

really tiny. haven't tested them yet

really tiny. haven't tested them yet

really tiny. haven't tested them yet
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0

Q:
How many amps can this board handle?

How many amps can this board handle?
How many amps can this board handle?

A:

its output is 1a real world load limit, 3a for an extremely short period of time, (enough to charge a small cap), any more or longer and it drops voltage

its output is 1a real world load limit, 3a for an extremely short period of time, (enough to charge a small cap), any more or longer and it drops voltage

Answered by ffejr22 on 24/04/2020Helpful (0)
0

Q:
weight?

weight?
weight?

A:

Power consumption of Arduino Nano is 19ma. This buck converter is rated at 1800ma. You shouldn't have a problem.

Power consumption of Arduino Nano is 19ma. This buck converter is rated at 1800ma. You shouldn't have a problem.

Answered by tedhancock68 on 04/07/2020Helpful (0)
0

Q:
Are these isolated?

Are these isolated?
Are these isolated?

A:

No.

No.

Answered by PFRoozendaal on 16/07/2020Helpful (0)
0

Q:
Chip?

Chip?
Chip?

A:

This one uses the MP2307 Switching Regulator IC. Now discontinued but has a new replacement. This chip is rated at 3 amps WITH A HEAT SINK though.

This one uses the MP2307 Switching Regulator IC. Now discontinued but has a new replacement. This chip is rated at 3 amps WITH A HEAT SINK though.

Answered by Spider on 19/08/2020Helpful (0)
0

Q:
what is the foot print

what is the foot print
what is the foot print

A:

backside has printed

backside has printed

Answered by Nic on 13/08/2023Helpful (0)
0

Q:
What is the maximum input voltage

What is the maximum input voltage
What is the maximum input voltage

A:

23 Volt - see description.

23 Volt - see description.

Answered by donaldsneffe on 23/11/2022Helpful (0)
0

Q:
anyone connected them in parallel? Can they be connected in parallel to increase the current? I know load balancing will be an issue, but perhaps a capacitor would help, plus if one convertor is overloaded it should start to drop its voltage thereby causing others to take more load. Could two or three be in parallel and output 1.8 to 2.5 amps steady with heat sinks?

anyone connected them in parallel? Can they be connected in parallel to increase the current? I know load balancing will be an issue, but perhaps a capacitor would help, plus if one convertor is overloaded it should start to drop its voltage thereby causing others to take more load. Could two or three be in parallel and output 1.8 to 2.5 amps steady with heat sinks?
anyone connected them in parallel? Can they be connected in parallel to increase the current? I know load balancing will be an issue, but perhaps a capacitor would help, plus if one convertor is overloaded it should start to drop its voltage thereby causing others to take more load. Could two or three be in parallel and output 1.8 to 2.5 amps steady with heat sinks?

A:

No you can not! For up to 3A you must use a LM2596 for step down (with heat sink) or XL5009 for step up (with heat sink)

No you can not! For up to 3A you must use a LM2596 for step down (with heat sink) or XL5009 for step up (with heat sink)

Answered by BG332373951 on 26/01/2022Helpful (0)
0

Q:
Is the output capacitor a 20uF or 10uF ? Got severe thermal issue with a 10uF, a 20uF (recommended in the data sheet of the MP 2307) solve it.

Is the output capacitor a 20uF or 10uF ? Got severe thermal issue with a 10uF, a 20uF (recommended in the data sheet of the MP 2307) solve it.
Is the output capacitor a 20uF or 10uF ? Got severe thermal issue with a 10uF, a 20uF (recommended in the data sheet of the MP 2307) solve it.

A:

No answer yet.
0

Q:
What is the quiescent (standby) current with zero output and 12V input?

What is the quiescent (standby) current with zero output and 12V input?
What is the quiescent (standby) current with zero output and 12V input?

A:

No answer yet.