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PDF Si9987DY Data sheet ( Hoja de datos )
| Número de pieza | Si9987DY | |
| Descripción | Buffered H-Bridge | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Buffered H-Bridge
Si9987
Vishay Siliconix
FEATURES
D 1.0-A H-Bridge
D 500-kHz Switching Rate
D Shoot-Through Limited
D TTL Compatible Inputs
D 3.8- to 13.2-V Operating Range
D Surface Mount Packaging
DESCRIPTION
The Si9987 is an integrated, buffered H-bridge with TTL
compatible inputs and the capability of delivering a continuous
1.0 A @ VDD = 5.0 V (room temperature) at switching rates up
to 500 kHz. Internal logic prevents the upper and lower outputs
of either half-bridge from being turned on simultaneously. Unique
input codes allow both outputs to be forced low (for braking) or
APPLICATIONS
D VCM Driver
D Brushed Motor Driver
D Stepper Motor Driver
D Power Converter
D Optical Disk Drives
D Power Supplies
D High Performance Servo
forced to a high impedance level.
The Si9987 is available in an 8-Pin SOIC package, specified
to operate over a voltage range of 3.8 V to 13.2 V, and the
commercial temperature range of 0 to 70_C (C suffix) and –40
to 85_C (D suffix).
FUNCTIONAL BLOCK DIAGRAM, PIN CONFIGURATION AND TRUTH TABLE
SA
GND
VDD
SB
1
2
3
4
SO-8
Si9987
Top View
8 OUTA
7 INA
6 INB
5 OUTB
TRUTH TABLE
INA INB OUTA OUTB
1010
0101
0000
1 1 HiZ HiZ
(7)
INA
(6)
INB
(2)
GND
Shoot-Through
Protection Logic
VDD
(3)
(1) (8) (5) (4)
SA OUTPUT SB
AB
Document Number: 70864
S-02936—Rev. C, 22-Jan-01
ORDERING INFORMATION
Part Number
Temperature Range
Package
Si9987CY-T1
Si9987DY-T1
0 to 70_C
–40 to 85_C
Tape and Reel
Si9987CY
Si9987DY
0 to 70_C
–40 to 85_C
Bulk (tubes)
www.vishay.com
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet Si9987DY.PDF ] | |
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