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M I C R O T E C H N O L O G Y
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
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]
SA56
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ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
SUPPLY VOLTAGE, VDD SUPPLY VOLTAGE, VS PEAK OUTPUT CURRENT (100mS) CONTINUOUS OUTPUT CURRENT POWER DISSIPATION POWER DISSIPATION (TA = 25°C, Free Air) JUNCTION TEMPERATURE, TJ(MAX) ESD SUSCEPTIBILITY (Logic Pins Only) STORAGE TEMPERATURE, TSTG LEAD TEMPERATURE (Soldering, 10 sec.) JUNCTION TEMPERATURE, TJ
5.5V 60V 10A 5A 125W 10W 150°C 1500V –40°C to +150°C 300°C –40°C to +150°C
SPECIFICATIONS
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS V V Ω Ω V V µA V µA µA mA % % % °C mA mA ns ns ns ns ns V mA V ns VS 12 60 VDD 4.5 5.5 SWITCH ON RESISTANCE, RDS(ON) Output Current = 5A 0.23 0.6 N-Channel SWITCH ON RESISTANCE, RDS(ON) Output Current = 5A 0.27 0.6 P-Channel CLAMP DIODE FORWARD DROP, VCLAMP Clamp Current = 5A 1.43 LOGIC LOW INPUT VOLTAGE, VIL -0.5 0.8 LOGIC LOW INPUT CURRENT, IIL VIN = –0.1V -10 +10 LOGIC HIGH INPUT VOLTAGE, VIH 2 VDD LOGIC HIGH INPUT CURRENT, IIH CURRENT SENSE OUTPUT CURRENT SENSE LINEARITY ERROR SHUTDOWN TEMPERATURE, TJSD QUIESCENT SUPPLY CURRENT, IS QUIESCENT SUPPLY CURRENT, IDD OUTPUT TURN-ON DELAY TIME, tDon OUTPUT TURN-ON SWITCHING TIME, ton OUTPUT TURN-OFF DELAY TIMES, tDoff OUTPUT TURN-OFF SWITCHING TIME, toff MINIMUM INPUT PULSE WIDTH, tp (DIGITAL MODE) REFERENCE VOLTAGE Vref OUTPUT CURRENT (Vref 2.5V), IREF VIN = 5.5V -10 IOUT = 1A 180 240 IOUT = 5A .79 1.0 1A ≤ IOUT ≤ 5A ±1 100 mA ≤ IOUT ≤ 5A 5A ≤ IOUT ≤ 10A (Peak Currents only) Outputs Turn OFF No Load, FSW = 100kHz 50% DUC No Load, FSW = 100kHz 50% DUC No Load No Load No Load No Load No Load IREF = 1mA 2.3 10 300 1.32 ±5 ±8 ±8
160 26 50 6 15 200 41 272 46 140 2.5 2.7 1 4 800
Source Only, No current sink capability
ANALOG INPUT RANGE FOR Load Current = 400µA 1 FULL MODULATION HIGH CURRENT SHUTDOWN RESPONSE Output shorted 250 (No bypass capacitor at SCin pin)
THERMAL RESISTANCE, Junction to Case Full Temperature Range 1 RESISTANCE, Junction to Air Full Temperature Range 12.21 TEMPERATURE RANGE, Case -40 125
°C/W °C/W °C
NOTE: These specifications apply for VS = 50V and VDD = 5V at 25°C, unless otherwise specified.
APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: 1 (800) 546-2739
TYPICAL PERFORMANCE GRAPHS
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