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Apex Microtechnology - PULSE WIDTH MODULATION AMPLIFIER

Numéro de référence SA56
Description PULSE WIDTH MODULATION AMPLIFIER
Fabricant Apex Microtechnology 
Logo Apex Microtechnology 





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SA56 fiche technique
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MICROTECHNOLOGY
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SA56
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FEATURES
• DELIVERS UP TO 5A CONTINUOUS OUTPUT
• OPERATES AT SUPPLY VOLTAGES UP TO 60V
• NO “SHOOT-THROUGH” CURRENT
• THERMAL SHUTDOWN (OUTPUTS OFF) AT 160°C
• SHORTED LOAD PROTECTION (to VS or PGND or SHORTED
LOAD)
• NO BOOTSTRAP CAPACITORS REQUIRED
• PROGRAMMABLE ONBOARD PWM
APPLICATIONS
• DC BRUSH-TYPE MOTOR DRIVES
• POSITION AND VELOCITY SERVOMECHANISMS
• FACTORY AUTOMATION ROBOTS
• NUMERICALLY CONTROLLED MACHINERY
• COMPUTER PRINTERS AND PLOTTERS
FIGURE 1. BLOCK DIAGRAM
23 Pin SIP
Package Style EX
DESCRIPTION
The SA56 is a 5-ampere PWM Amplifier designed for motion
control applications. The device is built using a multi-technology
process that combines bipolar and CMOS control circuitry with
DMOS power devices in a single monolithic structure. Ideal
for driving DC and stepper motors, the SA56 accommodates
peak output currents up to 10 amperes. An innovative circuit
that facilitates low-loss sensing of the output current has been
implemented. An on-board PWM oscillator and comparator
are used to convert an analog signal into PWM direction of
rotation and magnitude for motor control applications. TTL or
CMOS digital inputs allow direct external control in 2-quadrant
or 4-quadrant modes.
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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL [email protected]

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