MOTOR SPEED REGULATOR EXCELLENT VERSATILITY HIGH OUTPUT CURRENT Q
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TDA7275A
MOTOR SPEED REGULATOR
EXCELLENT VERSATILITY HIGH OUTPUT CURRENT QUIESCENT CURRENT REFERENCE VOLTAGE (1.32 EXCELLENT PARAMETERS STABILITY VERSUS AMBIENT TEMPERATURE START/STOP FUNCTION (TTL levels) DUMP PROTECTION
MINIDIP
DESCRIPTION TDA7275A linear integrated circuit minidip plastic package. intended speed regulator motors record players, tape cassette recorders. dump protection make particularly suitable radio applications.
ORDERING NUMBER TDA7275A
CONNECTION (top view)
1997
TDA7275A
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Ptot Supply Voltage Peak Supply Voltage (for 50ms) Maximum Output Current Operating Temperature Range Power Dissipation Tamb 70°C Tpins 70°C Parameter Value Unit
THERMAL DATA
Symbol j-amb j-pins Parameter Thermal Resistance Junction-ambient Max. Thermal Resistance Junction -pins Value Max. Unit °C/W °C/W
TDA7275A
ELECTRICAL CHARACTERISTICS (Refer test circuit, 12V, Tamb 25°C unless otherwise specified, refer test circuit)
Symbol Vref IM/IT Vref Vref Vref Vref Vref Vref Line Regulation Load Regulation Temperature Coefficient Motor "Stop" (Acc. Following data grounded) Motor "Stop" Motor "Run" (Acc. Following data open) Motor "Run" 1.5V Parameter Supply Voltage Range Reference Voltage Total Quiescent Current Quiescent Current Starting Motor Current Saturation Voltage Reflection coefficient 0.1A 0.1mA 0.1mA Vref -50% Vref 0.5A 0.1A 0.1A 200mA 0.1A +85°C 0.1A 200mA 0.1A +85°C -0.05 0.02 0.04 -0.01 0.02 -0.05 -0.1 Test Condition Min. 1.05 1.22 Typ. Max. 1.35 Unit %/mA %/°C %/mA %/°C
TDA7275A
Figure Test Circuit.
Figure Application Circuit.
RTtyp. Ktyp. RMtyp. Kmin RMmin instability accur. diode across motor could necessary with certain kind motor.
TDA7275A
Figure Quiescent Current Supply voltage. Figure Speed Variation Supply Voltage.
Figure Speed Variation Torque
TDA7275A
MINIDIP PACKAGE MECHANICAL DATA
DIM. MIN. 0.44 0.017 2.54 7.62 7.62 0.130 0.063 0.38 1.39 0.91 0.346 0.100 0.300 0.300 0.280 0.189 0.015 1.65 1.04 TYP. 0.028 0.055 0.036 0.020 0.020 0.386 0.065 0.041 MAX. MIN. inch TYP. 0.130 MAX.
TDA7275A
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specification mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectronics. 1997 SGS-THOMSON Microelectronics Printed Italy Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil Canada China France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A.
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