TDA7274
LOW-
VOLTAGE DC MOTOR SPEED CONTROLLER
WIDE OPERATING
VOLTAGE RANGE (1.
8 to 6 V) BUILT-IN LOW-
VOLTAGE REFERENCE (0.
2 V) LINEARITY IN SPEED ADJUSTMENT HIGH STABILITY VS.
TEMPERATURE LOW NUMBER OF EXTERNAL PARTS
MINIDIP
DESCRIPTION The TDA7274 is a monolithic integrated circuit DC motor speed controller intended for use in microcassettes, radio cassette players and other consumer equipment.
It is particulary suitable for low-
voltage applications.
ORDERING NUMBER : TDA7274
PIN CONNECTION (top view)
November 1988
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TDA7274
APPLICATION CIRCUIT
VS = 3.
0V RM = 4.
9Ω RT = 220Ω Eg = 1.
65V IM = 100mA VM = RM IM + Eg = 2.
14V
SCHEMATIC DIAGRAM
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TDA7274
ABSOLUTE MAXIMUM RATINGS
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