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PDF ULN2824A Data sheet ( Hoja de datos )
| Número de pieza | ULN2824A | |
| Descripción | HIGH-VOLTAGE/ HIGH-CURRENT DARLINGTON ARRAYS | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ULN2824A (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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2803 THRU
2824
HIGH-VOLTAGE, HIGH-CURRENT
DARLINGTON ARRAYS
1 18
2 17
3 16
4 15
5 14
6 13
7 12
8 11
9 10
Dwg. No. A-10,322A
Note that the ULx28xxA series (dual in-line
package) and ULx28xxLW series (small-
outline IC package) are electrically identical
and share a common terminal number assign-
ment.
ABSOLUTE MAXIMUM RATINGS
Output Voltage, VCE
(x2803x and x2804x) ..................... 50 V
(x2823x and x2824x) ..................... 95 V
Input Voltage, VIN .............................. 30 V
Continuous Output Current, IC .... 500 mA
Continuous Input Current, IIN ....... 25 mA
Power Dissipation, PD
(one Darlington pair) .................. 1.0 W
(total package) ..................... See Graph
Operating Temperature Range, TA
Prefix ‘ULN’ .............. -20°C to + 85°C
Prefix ‘ULQ’ ............... -40°C to +85°C
Storage Temperature Range,
TS ................................ -55°C to +150°C
Featuring continuous load current ratings to 500 mA for each of
the drivers, the Series ULN28xxA/LW and ULQ28xxA/LW high-
voltage, high-current Darlington arrays are ideally suited for interfac-
ing between low-level logic circuitry and multiple peripheral power
loads. Typical power loads totaling over 260 W (350 mA x 8, 95 V)
can be controlled at an appropriate duty cycle depending on ambient
temperature and number of drivers turned on simultaneously. Typical
loads include relays, solenoids, stepping motors, magnetic print ham-
mers, multiplexed LED and incandescent displays, and heaters. All
devices feature open-collector outputs with integral clamp diodes.
The ULx2803A, ULx2803LW, ULx2823A, and ULN2823LW
have series input resistors selected for operation directly with 5 V TTL
or CMOS. These devices will handle numerous interface needs —
particularly those beyond the capabilities of standard logic buffers.
The ULx2804A, ULx2804LW, ULx2824A, and ULN2824LW
have series input resistors for operation directly from 6 V to 15 V
CMOS or PMOS logic outputs.
The ULx2803A/LW and ULx2804A/LW are the standard
Darlington arrays. The outputs are capable of sinking 500 mA and will
withstand at least 50 V in the off state. Outputs may be paralleled for
higher load current capability. The ULx2823A/LW and ULx2824A/
LW will withstand 95 V in the off state.
These Darlington arrays are furnished in 18-pin dual in-line
plastic packages (suffix ‘A’) or 18-lead small-outline plastic packages
(suffix ‘LW’). All devices are pinned with outputs opposite inputs to
facilitate ease of circuit board layout. Prefix ‘ULN’ devices are rated
for operation over the temperature range of -20°C to +85°C; prefix
‘ULQ’ devices are rated for operation to -40°C.
FEATURES
I TTL, DTL, PMOS, or CMOS Compatible Inputs
I Output Current to 500 mA
I Output Voltage to 95 V
I Transient-Protected Outputs
I Dual In-Line Package or Wide-Body Small-Outline Package
x = Character to identify specific device. Characteristic shown applies to family
of devices with remaining digits as shown. See matrix on next page.
1 page  
FIGURE 1A
OPEN VCE
OPEN
µA
ICEX
Dwg. No. A-9729A
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
TEST FIGURES
FIGURE 1B
OPEN VCE
µA
VIN ICEX
Dwg. No. A-9730A
FIGURE 2
OPEN
hFE =
IC
IB
V
IB
VCE
IC
Dwg. No. A-9731A
FIGURE 3
OPEN
IIN
mA
VIN
OPEN
Dwg. No. A-9732A
FIGURE 4
OPEN VCE
IIN
µA
µA
IC
VIN
Dwg. No. A-9733A
FIGURE 5
OPEN
VV
VCE
IC
Dwg. No. A-9734A
OPEN
FIGURE 6
VR
µA
IR
Dwg. No. A-9735A
OPEN
FIGURE 7
V
VF
IF
FIGURE 8
INPUT
50%
VIN
50%
OUTPUT
t pHL
50%
t pHL
50%
Dwg. No. A-9736A
Vin
ULx28x3x 3.5 V
ULx28x4x 12 V
PULSE
GENERATOR
PRR = 10KHz
DC = 50%
INPUT
93 Ω
30 Ω
+50 V
100 Ω
OUT
50 pF
www.allegromicro.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ULN2824A.PDF ] | |
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