Proudovy omezovac 4A

[Kuba Jan]

Ted jsem chtel objednat ten regulator z odkazu a narazil na e-bay na ten 
samy:
http://www.ebay.com/itm/1PCS-Lithium-Charger-Step-down-5A-5V-32V-to-0-8V-30V-power-supply-module-/400423203732?pt=LH_DefaultDomain_0&hash=item5d3b153394
Nejak tomu nerozumim - ten samy prodejce ma to samou vec :
http://www.ebay.com/itm/1PCS-Lithium-Charger-Step-down-5A-5V-32V-to-0-8V-30V-power-supply-module-/370707642205?pt=LH_DefaultDomain_0&hash=item564fe5b75d
ale 3x drazzsi...
V cem je figl?
JaKub



Dne 3.2.2013 13:41, Slavomir Tomascik napsal(a):
> Zdravim,
>
> nedavno som to kupoval na nabijanie LiFePO4 do aku vrtacky.
> Za par penazi sa tomu da nastavit vystupne napetie a prudove 
> obmedzenie. Nevyhovovalo by?
> http://www.ebay.com/itm/370707642205?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 
>
> Je tam osadeny neaky SX3478, a najst datasheet... ale funguje to 
> dobre, aj ked ja to pouzivam tak na 2A, malo by to 4A zvladnut.
> Datasheet toho obvodu je
> http://www.doc88.com/p-643530904547.html
> ale ako by z oka vypadol obvodu AX4005, a ten sa da lahko najst.
>
> Sla