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| TDA1151 MOTOR SPEED REGULATOR EXCELLENT VERSATILITY IN USE HIGH OUTPUT CURRENT (UP TO 800mA) LOW QUIESCENT CURRENT (1.7mA) LOW REFERENCE VOLTAGE (1.2V) EXCE LL ENT PARA METERS STABI LIT Y VERSUS TEMPERATURE DESCRIPTION The TDA1151 is a monolithic integrated circuit in SOT-32 plastic package. It is intended for use as speed regulator for DC motors of record players, tape and cassette recorders, movie cameras, toys etc. SOT-32 ORDERING NUMBER : TDA1151 ABSOLUTE MAXIMUM RATINGS Symbol Vs Ptot Supply voltage Total power dissipation at Tamb = 70C at Tcase = 100C Tstg, Tj Storage and junction temperature Parameter Value 20 0.8 5 -40 to 150 Unit V W W C APPLICATION CIRCUIT March 1993 1/8 TDA1151 CONNECTION DIAGRAM TEST CIRCUIT 2/8 TDA1151 THERMAL DATA Symbol Rth j-case Rth j-amb Parameter Thermal resistance junction-case Thermal resistance junction-ambient max max Value 10 100 Unit C/W C/W ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25 C) Symbol Vref Id IMS V1-3 K=Im/I'T K K K K K K / Vs / IM /T / Vs Line regulation Parameter Reference voltage (between pins 1 and 2) Quiescent drain current Starting current Minimum supply voltage Reflection coefficient Vs = 6V Vs = 6V Vs = 5V Im = 0.1 A Vs = 6V Test conditions IM = 0.1A IM = 100 A Vref/Vref = -50% Vref/Vref = -5% IM = 0.1A 18 20 0.45 0.8 2.5 22 %/V Min. 1.1 Typ. 1.2 1.7 Max. 1.3 Unit V mA A V Vs = 6V to 18V Im = 0.1A Vs = 6V Im = 25 to 400 mA 0.005 0.02 %/mA %/C Vs = 6V Im = 0.1A Tamb = -20 to 70C Vs = 6V to 18V IM = 0.1A Vref Vref Vref Vref Vref Vref 0.02 %/V / IM Load regulation Vs = 6V Im = 25 to 400 mA 0.009 %/mA /T Temperature coefficient Im = 0.1A Vs = 6V Tamb = -20 to 70C 0.02 %/C 3/8 TDA1151 Figure 1. Quiescent drain current vs. power supply Figure 2. Quiescent drain current vs. ambient temperature Figure 3. Reference voltage vs. supply voltage Figure 4. Reference voltage vs. motor current Figure 5. Reference voltage vs. ambient temperature Figure 6. Reflection coefficient vs. supply voltage Figure7. Reflection coefficient vs. motor current Figure 8. Reflection coefficient vs. ambi ent temperature Figure 9. Typical minimum supply voltage vs. motor current 4/8 TDA1151 Figure 10. Application circuit Vs RM RT RS Eg IM VM = +9V = 14.2 = 280 = 1 k = 2.9V = 150 mA = RM * IM + Eg = 5.03V Note: A ceramic capacitor of 10 nF between pins, 1 and 2 improves stability in some applications. Figure 11. P.C. board and component layout of the circuit of Fig. 10 (1 : 1 scale) 5/8 TDA1151 Figure 12. Speed variation vs. supply voltage Figure 13. Speed variation vs. motor current Figure 14. Speed variation vs. ambient temperature Figure 15. Low cost application circuit Figure 16. Speed variation vs. supply voltage Figure 17. Speed variation vs. motor current Figure 18. Speed variation vs. ambient temperature 6/8 TDA1151 SOT-32 PACKAGE MECHANICAL DATA DIM. MIN. A B b b1 C c1 D e e3 F G H 3 7.4 10.5 0.7 0.49 2.4 1.2 15.7 2.2 4.4 3.8 3.2 2.54 0.118 mm TYP. MAX. 7.8 10.8 0.9 0.75 2.7 MIN. 0.291 0.413 0.028 0.019 0.094 0.047 0.618 0.087 0.173 0.150 0.126 0.100 inch TYP. MAX. 0.307 0.425 0.035 0.030 0.106 7/8 TDA1151 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A. 8/8 |
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