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PDF ULN2805A Data sheet ( Hoja de datos )

Número de pieza ULN2805A
Descripción EIGHT DARLINGTON ARRAYS
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! ULN2805A Hoja de datos, Descripción, Manual

U LN 2801A
ULN2802A - ULN2803A
ULN2804A - ULN2805A
. EIGHT DARLINGTONS WITH COMMON EMIT-
TERS
. OUTPUT CURRENT TO 500 mA
. OUTPUT VOLTAGE TO 50 V
. INTEGRAL SUPPRESSION DIODES
. VERSIONS FOR ALL POPULAR LOGIC FAMI-
LIES
. OUTPUT CAN BE PARALLELED
. INPUTS PINNED OPPOSITE OUTPUTS TO
SIMPLIFY BOARD LAYOUT
EIGHT DARLINGTON ARRAYS
DIP18
PIN CONNECTION (top view)
DE S CRI PT I O N
The ULN2801A-ULN2805Aeach contain eight dar-
lington transistors with common emitters and inte-
gral suppression diodes for inductive loads. Each
darlington features a peak load current rating of
600mA (500mA continuous) and can withstand at
least 50V in the off state. Outputsmay be paralleled
for higher current capability.
Five versions are available to simplify interfacing to
standard logic families : the ULN2801A is designed
for general purpose applications with a current limit
resistor ; the ULN2802Ahas a 10.5kinput resistor
and zener for 14-25V PMOS ; the ULN2803A has a
2.7kinput resistor for 5V TTL and CMOS ; the
ULN2804A has a 10.5kinput resistor for 6-15V
CMOS and the ULN2805A is designed to sink a
minimum of 350mA for standard and Schottky TTL
where higher output current is required.
All types are supplied in a 18-lead plastic DIP with
a copperlead from and featurethe convenientinput-
opposite-output pinout to simplify board layout.
September 1997
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1 page




ULN2805A pdf
ULN2801A - ULN2802A - ULN2803A - ULN2804A - ULN2805A
Figure 8 : Collector Current as a Function of
Saturation Voltage.
Figure 9 : Collector Current as a Function of
Input Current.
Figure 10 : Allowable Average Power Dissipation Figure 11 : Peak Collector Current as a Function
as a Function of Ambient Temperature.
of Duty Cycle.
Figure 12 : Peak Collector Current as a Function
of Duty.
Figure 13 : Input Current as a Function of Input
Voltage (for ULN2802A).
5/8

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