L165 ,3A POWER OPERATIONAL AMPLIFIERL1653A POWER OPERATIONAL AMPLIFIEROUTPUT CURRENT UP TO 3ALARGE COMMON-MODE AND DIFFERENTIALMODE RAN ..
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L165
3A POWER OPERATIONAL AMPLIFIER
L1653A POWER OPERATIONAL AMPLIFIER
OUTPUT CURRENT UP TO 3A
LARGE COMMON-MODE AND DIFFERENTIAL
MODE RANGES
SOA PROTECTION
THERMAL PROTECTION
± 18V SUPPLY
DESCRIPTIONThe L165 is a monolithic integrated circuit in
Pentawatt® package, intended for use as power
operational amplifier in a wide range of applica-
tions, including servo amplifiers and power sup-
plies. The high gain and high output power
capability provide superiore performance wherever
an operational amplifier/power booster combina-
tion is required.
October 1991
ABSOLUTE MAXIMUM RATINGS
APPLICATION CIRCUITS
Figure 2. Unity gain configuration.Figure 1. Gain > 10.1/9
THERMAL DATA
PIN CONNECTION (top view)
SCHEMATIC DIAGRAM
L165
ELECTRICAL CHARACTERISTICS (VS = ± 15 V, Tj = 25 °C unless otherwise specified)
L165
Figure 3. Open loop frequency response. Figure 4. Closed loop frequency response
(circuit of figure 2).
Figure 5. Large signal frequency
response.
Figure 6. Maximum output current vs.
voltage [VCE] across each output
transistor.
Figure 7. Safe operating area and collector
characteristics of the protected power
transistor.
Figure 8. Maximum allowable power
dissipation vs. ambient temperature.
L165
Figure 9. Bidirectional DC motor control with TTL/CMOS/μP compatible inputs.
Figure 10. Motor current control circuit with external power transistors (Imotor > 3.5A).
L165
Figure 11. High current tracking regulator.
Figure 12. Bidirectional speed control of DC
motor (Compensation networks not shown).
Figure 13. Split power supply.
L165
