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TL431ACLP Scheda tecnica(PDF) 30 Page - Texas Instruments

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Il numero della parte TL431ACLP
Spiegazioni elettronici  TL431, TL432 Precision Programmable Reference
PDF  83 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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TL431ACLP Scheda tecnica(HTML) 30 Page - Texas Instruments

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11 Power Supply Recommendations
When using TL43xx as a Linear Regulator to supply a load, designers will typically use a bypass capacitor on
the output/cathode pin. When doing this, be sure that the capacitance is within the stability criteria shown in
Figure 7-16 and Figure 7-18.
In order to not exceed the maximum cathode current, be sure that the supply voltage is current limited. Also, be
sure to limit the current being driven into the Ref pin, as not to exceed it's absolute maximum rating.
For applications shunting high currents, pay attention to the cathode and anode trace lengths, adjusting the
width of the traces to have the proper current density.
12 Layout
12.1 Layout Guidelines
Bypass capacitors should be placed as close to the part as possible. Current-carrying traces need to have
widths appropriate for the amount of current they are carrying; in the case of the TL43xx, these currents will be
low.
12.2 Layout Example
TL432 - DBZ
(TOP VIEW)
REF
1
CATHODE
2
3
ANODE
Rsup
Rref
Vsup
CL
Vin
GND
GND
Figure 12-1. DBZ Layout Example
TL431, TL432
SLVS543Q – AUGUST 2004 – REVISED JULY 2022
www.ti.com
30
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Product Folder Links: TL431 TL432



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