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TDA7274SGS-THOMSONN/a12172avaiLOW-VOLTAGE DC MOTOR SPEED CONTROLLER


TDA7274 ,LOW-VOLTAGE DC MOTOR SPEED CONTROLLERTDA7274LOW-VOLTAGE DC MOTOR SPEED CONTROLLERWIDE OPERATING VOLTAGE RANGE (1.8 to 6 V)BUILT-IN LOW-V ..
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TDA7274
LOW-VOLTAGE DC MOTOR SPEED CONTROLLER
TDA7274
LOW-VOLTAGE DC MOTOR SPEED CONTROLLER
November 1988
WIDE OPERATING VOLTAGE RANGE
(1.8 to 6 V)
BUILT-IN LOW-VOLTAGE REFERENCE (0.2
LINEARITY IN SPEED ADJUSTMENT
HIGH STABILITY VS. TEMPERATURE
LOW NUMBER OF EXTERNAL PARTS
DESCRIPTION
The TDA7274 is a monolithic integrated circuit
DC motor speed controller intended for use in mi-
crocassettes, radio cassette players and other
consumer equipment. It is particulary suitable for
low-voltage applications.
PIN CONNECTION (top view)

1/10
APPLICATION CIRCUIT
SCHEMATIC DIAGRAM
TDA7274

2/10
THERMAL DATA
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 3V, Tamb = 25°C unless otherwise speci-

fied)
TDA7274

3/10
Figure 1 : Test Circuit.
Figure 3 : Reference Voltage vs.

Supply Voltage.
Figure 2 : Quiescent Current vs.

Supply Voltage.
TDA7274

4/10
Figure 5 : Reference Voltage vs. Load Current.Figure 4 : Shunt Ratio vs. Supply Voltage.
Figure 6 : Shunt Ratio vs. Load Current. Figure 7 : Minimum Supply Voltage (typical) vs.

Load Current.
Figure 9 : Quiescent Current vs.

Ambient Temperature.Figure 8 : Saturation Voltage vs. Load Current.
TDA7274

5/10
ic,good price


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