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PDF UDN2540 Data sheet ( Hoja de datos )
| Número de pieza | UDN2540 | |
| Descripción | QUAD DARLINGTON POWER DRIVER | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UDN2540 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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2540
QUAD DARLINGTON
POWER DRIVER
OUT4 1
K2
OUT3 3
GROUND 4
GROUND 5
OUT2 6
K7
OUT1 8
UDN2540B
16 IN4
15 IN3
14 ENABLE
13 GROUND
12 GROUND
11 V CC
10 IN 2
9 IN 1
Dwg. PP-017-2
Combining AND logic gates and inverting high-current bipolar
outputs, the UDN2540B and A2540SLB quad Darlington power drivers
provide interface between low-level signal-processing circuits and
power loads totaling 360 W. Each of the four independent outputs can
sink up to 1.8 A in the on state with peak inrush currents to 2.5 A. The
four power outputs are each comprised of an open-collector Darlington
driver and an internal flyback/clamp diode for switching inductive
leads. They feature a minimum breakdown and sustaining voltage of
50 V. The logic inputs are compatible with TTL and 5 V CMOS logic
systems.
Typical applications include print heads, relays, solenoids, and
dc stepping motors. These drivers can also be used to drive high-
current incandescent lamps, LEDS, and heaters. A similar device,
specifically intended for driving a unipolar stepper motor in the
two-phase drive format, is the UDN2544B.
The UDN2540B is supplied in a 16-pin batwing power DIP; the
A2540SLB is supplied in a 20-lead batwing power SOIC for surface-
mount applications. The batwing construction provides for maximum
package power dissipation in a standard construction. At 25°C, and
with only 1 sq. in. of copper foil at the ground tabs, either package is
capable of safely dissipating more than 2 W.
ABSOLUTE MAXIMUM RATINGS
at TA = 25°C
Output Voltage, VOUT ........................... 50 V
Output Current, IOUT (peak) ................ 2.5 A
(continuous) .................................. 1.8 A
Logic Supply Voltage, VCC .................. 7.0 V
Input Voltage, VIN ................................ 7.0 V
Package Power Dissipation,
PD ........................................ See Graph
Operating Temperature Range,
TA .................................. -20°C to +85°C
Storage Temperature Range,
TS ................................ -55°C to +150°C
FEATURES
I 1.8 A Continuous Output Current
I Output Voltage to 50 V
I TTL and 5 V CMOS Compatible Inputs
I Efficient Input/Output Pinning
I Integral Transient-Suppression Diodes
I Replaces L6221A and L6221CD
Always order by complete part number:
Part Number Package
UDN2540B
16-pin batwing DIP
A2540SLB
20-lead batwing SOIC
1 page  
2540
QUAD DARLINGTON
POWER DRIVER
16
0.280
0.240
UDN2540B
Dimensions in Inches
(controlling dimensions)
NOTE 4
9
0.020
0.008
0.430
MAX
0.300
BSC
1
0.070
0.045
0.210
MAX
0.015
MIN
0.022
0.014
16
7.11
6.10
0.775
0.735
0.100
BSC
8
0.005
MIN
0.150
0.115
Dimensions in Millimeters
(for reference only)
NOTE 4
9
Dwg. MA-001-17A in
0.508
0.204
10.92
MAX
7.62
BSC
1
1.77
1.15
5.33
MAX
19.68
18.67
2.54
BSC
8
0.13
MIN
0.39
MIN
0.558
0.356
3.81
2.93
NOTES: 1. Leads 1, 8, 9, and 16 may be half leads at vendor’s option.
2. Lead thickness is measured at seating plane or below.
3. Lead spacing tolerance is non-cumulative.
4. Webbed lead frame. Leads indicated are internally one piece.
5. Exact body and lead configuration at vendor’s option within limits shown.
Dwg. MA-001-17A mm
www.allegromicro.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UDN2540.PDF ] | |
Hoja de datos destacado
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