(800) 546-APEX (800) 546-2739 PRELIMINARY FEATURES

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(800) 546-APEX (800) 546-2739 PRELIMINARY FEATURES

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SA55
(800) 546-APEX
(800) 546-2739
PRELIMINARY
FEATURES
DELIVERS CONTINUOUS OUTPUT OPERATES SUPPLY VOLTAGES CMOS COMPATIBLE INPUTS "SHOOT-THROUGH" CURRENT THERMAL WARNING FLAG OUTPUT 145° THERMAL SHUTDOWN (OUTPUTS OFF) 160° INTERNAL CLAMP DIODES SHORTED LOAD PROTECTION INTERNAL CHARGE PUMP WITH EXTERNAL BOOTSTRAP CAPABILITY
APPLICATIONS
STEPPER MOTOR DRIVES POSITION VELOCITY SERVOMECHANISMS FACTORY AUTOMATION ROBOTS NUMERICALLY CONTROLLED MACHINERY COMPUTER PRINTERS PLOTTERS
DESCRIPTION
SA55 H-Bridge designed motion control applications. device built using multi-technology process which combines bipolar CMOS control circuitry with DMOS power devices same monolithic structure. Ideal driving stepper motors; SA55 accomodates peak output currents 10A. innovative circuit which facilitates low-loss sensing output current been implemented.
BLOCK DIAGRAM
THERMAL FLAG OUTPUT BOOTSTRAP
BOOTSTRAP
THERMAL SENSING ILIM UNDER VOLTAGE LOCKOUT CHARGE PUMP DRIVE
CURRENT SENSING
CHARGE PUMP DRIVE OUTPUT CURRENT SENSE OUTPUT
DIRECTION BRAKE
BRIDGE DRIVER
GROUND
APEX MICROTECHNOLOGY CORPORATION TELEPHONE (520) 690-8600 (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
SA55
ABSOLUTE MAXIMUM RATINGS
SUPPLY VOLTAGE, VOLTAGE Pins VOLTAGE Bootstrap Pins (Pins PEAK OUTPUT CURRENT (200mS) CONTINUOUS OUTPUT CURRENT (Note POWER DISSIPATION (Note POWER DISSIPATION 25°C, Free Air) JUNCTION TEMPERATURE, TJ(MAX) SUSCEPTIBILITY (Note STORAGE TEMPERATURE, TSTG LEAD TEMPERATURE (Soldering, sec.) JUNCTION TERMPERATURE, SUPPLY VOLTAGE
ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS
VOUT ±16V 150°C 1500V -40°C +150°C 300°C -40°C +125°C +12V +55V
SPECIFICATIONS
PARAMETER SWITCH RESISTANCE, RDS(ON) CLAMP DIODE FORWARD DROP, VCLAMP LOGIC INPUT VOLTAGE, LOGIC INPUT CURRENT, LOGIC HIGH INPUT VOLTAGE, LOGIC HIGH INPUT CURRENT, CURRENT SENSE OUTPUT CURRENT SENSE LINEARITY UNDERVOLTAGE LOCKOUT UNDERVOLTAGE LOCKOUT WARNING FLAG TEMPERATURE, FLAG OUTPUT SATURATION VOLTAGE, VF(ON) FLAG OUTPUT LEAKAGE, IF(OFF) SHUTDOWN TEMPERATURE, TJSD QUIESCENT SUPPLY CURRENT, OUTPUT TURN-ON DELAY TIME, tDon OUTPUT TURN-ON SWITCHING TIME, OUTPUT TURN-OFF DELAY TIMES, tDoff OUTPUT TURN-OFF SWITCHING TIME, toff MINIMUM INPUT PULSE WIDTH, CHARGE PUMP RISE TIME, tcpr TEST CONDITIONS Output Current Clamp Current Pins -0.1V, Pins Pins 12V, Pins IOUT IOUT Outputs Turn Outputs Turn 0.8V, TJw, Outputs Turn Logic Inputs Sourcing Outputs, IOUT Sinking Outputs, IOUT Bootstrap Capacitor Sourcing Outputs, IOUT Sinking Outputs, IOUT Sourcing Outputs, IOUT Sinking Outputs, IOUT Bootstrap Capacitor Sourcing Outputs, IOUT Sinking Outputs, IOUT Pins Bootstrap Capacitor 0.15 0.33 -0.1 UNITS
NOTE: These specifications apply 42V, unless otherwise specified.
This data sheet been carefully checked believed reliable, however, responsibility assumed possible inaccuracies omissions. specifications subject change without notice. SA55U REV.1AUGUST 1999 1999 Apex Microtechnology Corp.

(800) 546-APEX (800) 546-2739 PRELIMINARY FEATURES

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