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MSK4322 Datasheet(PDF) 1 Page - M.S. Kennedy Corporation

Part No. MSK4322
Description  20 AMP, 200 VOLT MOSFET SMART POWER 3-PHASE MOTOR DRIVE POWER HYBRID
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Maker  MSK [M.S. Kennedy Corporation]
Homepage  http://www.mskennedy.com
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MSK4322 Datasheet(HTML) 1 Page - M.S. Kennedy Corporation

   
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4707 Dey Road Liverpool, N.Y. 13088
(315) 701-6751
MIL-PRF-38534 QUALIFIED
FEATURES:
200V, 20 Amp Capability
Ultra Low Thermal Resistance - Junction to Case - 1.0°C/W (Each MOSFET)
Self-Contained, Smart Lowside/Highside Drive Circuitry
Under-Voltage Lockout, Internal 2µS Deadtime
Capable of Switching Frequencies to 25KHz
Isolated Case Allows Direct Heat Sinking
Case Bolt-down Design Allows Superior Heat Dissipation
DESCRIPTION:
The MSK 4322 is a 20 Amp, 3 Phase Bridge Smart Power Motor Drive Hybrid with a 200 volt rating on the
output switches. The output switches are power MOSFETs with intrinsic fast-recovery diodes for the free-
wheeling currents of motor drives. This new smart power motor drive hybrid is compatible with 5V CMOS or
TTL logic levels. The internal circuitry prevents simultaneous turn-on of the in-line half bridge transistors with a
built-in 2µS deadtime to prevent shoot-through. Undervoltage lockout shuts down the bridge when the supply
voltage gets to a point of incomplete turn-on of the output switches. The internal high-side boot strap power
supply derived from the +15 volt supply completely eliminates the need for 3 floating independent power sup-
plies for the high-side drive. Current sense circuitry is provided to sense current from an external resistor to shut
down the bridge for overcurrent.
ISO-9001 CERTIFIED BY DSCC
PRELIMINARY Rev. A 6/00
TYPICAL APPLICATIONSPIN-OUT INFORMATION
TYPICAL APPLICATIONS
PIN-OUT INFORMATION
3 PHASE SIX STEP DC BRUSHLESS MOTOR DRIVE
OR 3 PHASE SINUSOIDAL INDUCTION MOTOR DRIVE
EQUIVALENT SCHEMATIC
M.S. KENNEDY CORP.
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VCC
AØHIN
BØHIN
CØHIN
AØLIN
FAULT
CØLIN
BØLIN
VSS
ITRIP
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N/C
V+
N/C
N/C
N/C
N/C
COM
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M.S.KENNEDY CORP.
4322
20 AMP, 200 VOLT MOSFET
SMART POWER 3-PHASE MOTOR
DRIVE POWER HYBRID


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