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TDA7275A

MOTOR SPEED REGULATOR

TDA7275A
MOTOR SPEED REGULATOR
ADVANCE DATA
EXCELLENT VERSATILITY IN USE HIGH OUTPUT CURRENT (up to 1.5 A) LOW QUIESCENT CURRENT LOW REFERENCE VOLTAGE (1.32 V) EXCELLENT PARAMETERS STABILITY VERSUS AMBIENT TEMPERATURE START / STOP FUNCTION (TTL levels) DUMP PROTECTION
MINIDIP (4 + 4 )
DESCRIPTION The TDA7275A is a linear integrated circuit in minidip plastic package. It is intended for use as speed regulator for DC motors of record players, tape and cassette recorders. The dump protection make it particularly suitable for car radio applications.
ORDERING NUMBER : TDA7275A
PIN CONNECTION (top view)
March 1990
This is advanced information on a new product in development or undergoing evaluation. Details are subject to change without notice.
TDA7275A
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
Symbol Rth j-amb Rth j-pins Parameter Thermal Resistance Junction-ambient Max. Thermal Resistance Junction -pins Value 80 20 Max. Unit °C / W °C / W
TDA7275A
Vref / VS Vref Vref / IM Vref Vref / T
Vref V2 I2 V2 I2
Line Regulation Load Regulation Temperature Coefficient Motor "Stop" (Acc. Following data or grounded) Motor "Stop" Motor "Run" (Acc. Following data or open) Motor "Run"
TDA7275A
Figure 1 : Test Circuit.
Figure 2 : Application Circuit.
TDA7275A
Figure 3 : Quiescent Current vs. Supply voltage. Figure 4 : Speed Variation vs. Supply Voltage.
TDA7275A
MINIDIP PACKAGE MECHANICAL DATA
DIM. MIN. A a1 B B1 b b1 D E e e3 e4 F I L Z 0.44 3.3 1.6 0.017 8.8 2.54 7.62 7.62 7.1 4.8 0.130 0.063 0.38 0.7 1.39 0.91 0.5 0.5 9.8 0.346 0.100 0.300 0.300 0.280 0.189 0.015 1.65 1.04 mm TYP. 3.3 0.028 0.055 0.036 0.020 0.020 0.386 0.065 0.041 MAX. MIN. inch TYP. 0.130 MAX.
TDA7275A