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FEATURES
• LOW COST
• HIGH VOLTAGE - 100 VOLTS
• HIGH OUTPUT CURRENT - 30 AMPS
• 210 WATT DISSIPATION CAPABILITY
APPLICATIONS
• MOTOR DRIVE
• MAGNETIC DEFLECTION
• PROGRAMMABLE POWER SUPPLIES
• INDUSTRIAL AUDIO AMPLIFIER
42-PIN DIP
PACKAGE TYPE FC
TYPICAL APPLICATION
DESCRIPTION
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The MP230 operational amplifier is a surface mount con-
structed component that provides a cost effective solution in
many industrial applications. The MP230 offers outstanding
performance that rivals many much more expensive hybrid
components yet has a footprint of only 4.7 sq in. The MP230
has many optional features such as four-wire current limit sens-
ing, a shutdown control and external compensation. In addition,
the class A/B output stage biasing can be turned off for lower
quiescent current with class C operation in applications where
crossoverdistortionislessimportantsuchaswhendrivingmotors,
for example. A boost voltage feature biases the output stage for
close linear swings to the supply rail for extra efficient operation.
The MP230 is built on a thermally conductive but electrically
insulating substrate that can be mounted to a heat sink.
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EQUIVALENT CIRCUIT DIAGRAM
MOTOR POSITION CONTROL
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The MOSFET output stage of the MP230 provides superior
SOA performance compared to bipolar output stages where
secondary breakdown is a concern. The extended SOA is
ideal in motor drive applications where the back EMF of the
motor may impose simultaneously both high voltage and high
currentacrosstheoutputstagetransistors. Inthefigureabove
a mechanical to electrical feedback position converter allows
the MP230 to drive the motor in either direction to a set point
determined by the DAC voltage.
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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com
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