參數(shù)資料
型號: ULN2064B-ULN2066B
廠商: 意法半導體
英文描述: 50V - 1.5A QUAD DARLINGTON SWITCHES
中文描述: 50V - 1.5A的四達林頓開關
文件頁數(shù): 5/8頁
文件大?。?/td> 98K
代理商: ULN2064B-ULN2066B
MOUNTING INSTRUCTIONS
The R
th j-amb
can be reducedby soldering the GND
pins to a suitable copper area of the printed circuit
board(Fig. 12) or to an externalheatsink(Fig. 13).
The diagramof Figure14 showsthemaximum dis-
sipablepower P
tot
andthe R
th j-amb
asa functionof
theside”
α
” of two equalsquarecopperareashav-
inga thicknessof 35
μ
(1.4mils).
Duringsolderingthe pinstemperaturemust notex-
ceed 260
°
C and the soldering time must not be
longerthan 12 seconds.
The externalheatsinkor printedcircuit copperarea
mustbe connectedto electricalground.
Figure12 :
Exampleof P.C. BoardArea whichis
Usedas Heatsink.
Figure13 :
ExternalHeatsinkMounting Example.
Figure14 :
MaximumDissipable Powerand Junc-
tion to AmbientThermal Resistance
vs.Side ”
α
”.
Figure15 :
MaximumAllowable PowerDissipa-
tionvs. Ambient Temperature.
ULN2064B-ULN2066B-ULN2068B-ULN2070B-ULN2074B-ULN2076B
5/8
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