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PDF UC3176 Data sheet ( Hoja de datos )
| Número de pieza | UC3176 | |
| Descripción | Full Bridge Power Amplifier | |
| Fabricantes | Unitrode | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UC3176 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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UC3176
UC3177
Full Bridge Power Amplifier
FEATURES
• Dual Power Operational Amplifiers
• ±2A Output Current Guaranteed
• Precision Current Sense Amplifier
• Two Supply Monitoring Inputs
• Parking Function and Under-Voltage
Lockout
• Safe Operating Area Protection
• 3V to 35V Operation
DESCRIPTION
The UC3176/7 family of full bridge power amplifiers is rated for a continu-
ous output current of 2A. Intended for use in demanding servo applica-
tions such as disk head positioning, the onboard current sense amplifier
can be used to obtain precision control of load current, or where voltage
mode drive is required, a standard voltage feedback scheme can be used.
Output stage protection includes foldback current limiting and thermal
shutdown, resulting in a very rugged device.
Auxiliary functions on this device include a dual input under-voltage com-
parator that can be programmed to respond to low voltage conditions on
two independent supplies. In response to an under-voltage condition the
power Op-Amps are inhibited and a high current, 100mA, open collector
drive output is activated. A separate Park/Inhibit command input.
The devices are operational over a 3V to 35V supply range. Internal un-
der-voltage lockout provides predictable power-up and power-down char-
acteristics.
BLOCK DIAGRAM
SLUS285A - OCTOBER 1994 - REVISED JANUARY 2005
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet UC3176.PDF ] | |
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