From: David Van Horn <david.vanhorn@backcountryaccess.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
CC: ApptechNZ <apptechnz@gmail.com>
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Date: Fri, 13 Nov 2020 07:04:12 -0800
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 =?Windows-1252?Q?RE:_[EE]::_Test_of_MINI-360_(MP2307-based)_=933A=94_Buck?=
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Whenever I see "up to" in a data sheet, I immediately think "and down to?"


--
David VanHorn
Lead Hardware Engineer

Backcountry Access, Inc.
2820 Wilderness Pl, Unit H
Boulder, CO =A080301 USA
phone:=A0303-417-1345 =A0x110
email:=A0david.vanhorn@backcountryaccess.com=A0

-----Original Message-----
From: piclist-bounces@mit.edu <piclist-bounces@mit.edu> On Behalf Of Jason =
White
Sent: Friday, November 13, 2020 7:21 AM
To: Microcontroller discussion list - Public. <piclist@mit.edu>
Cc: ApptechNZ <apptechnz@gmail.com>
Subject: Re: [EE]:: Test of MINI-360 (MP2307-based) =933A=94 Buck Converter=
 Module

That's interesting, 10% efficiency from a poorly designed smps! I will have=
 to be careful if I ever consider using ebay modules in projects.

On Friday, November 13, 2020, RussellMc <apptechnz@gmail.com> wrote:

> Summary: A very thorough and useful test of what can be a useful buck=20
> converter module, if you buy the good ones.
>
> The "Mini 360" is a widely available (usually Asian sourced) low cost=20
> buck converter module.
> Claimed specifications vary but typical would be1-17V output,=20
> 4.75V-23V input, 1.8A current (3A maximum) and up to 96% conversion=20
> efficiency As ever YMMV, and in practice not only MYMV but may vary=20
> very substantially. Some products may approach the claimed efficiency=20
> and power capability. Others very certainly don't.
> (eg around 60% efficiency at 500 mA out and around 10% efficiency at=20
> 20 mA out).
>
> This 2018 Techzone test investigates performance and reasons why some=20
> Mini
> 360  modules are less useful than a linear regulator.
>
> https://goughlui.com/2018/07/04/tested-mini-360-mp2307-
> based-3a-buck-converter-module/
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive=20
> View/change your membership options at=20
> http://mailman.mit.edu/mailman/listinfo/piclist
>


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