STMICROELECTRONICS TDA1151

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
Parameter
Value
Unit
Vs
Supply voltage
20
V
Ptot
Total power dissipation at Tamb = 70°C
0.8
W
5
W
-40 to 150
°C
at Tcase = 100°C
Tstg, Tj
Storage and junction temperature
APPLICATION CIRCUIT
March 1993
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TDA1151
CONNECTION DIAGRAM
TEST CIRCUIT
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TDA1151
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-case
Thermal resistance junction-case
max
10
°C/W
Rth j-amb
Thermal resistance junction-ambient
max
100
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25 °C)
Symbol
Parameter
Test conditions
Vref
Reference voltage
(between pins 1 and 2)
Vs = 6V
IM = 0.1A
Id
Quiescent drain current
Vs = 6V
IM = 100 µA
IMS
Starting current
Vs = 5V
∆Vref/Vref = -50%
V1-3
Minimum supply voltage
Im = 0.1 A
∆Vref/Vref = -5%
K=Im/I’T
Reflection coefficient
Vs = 6V
IM = 0.1A
∆K
K
∆K
K
∆K
K
Min.
Typ.
Max.
Unit
1.1
1.2
1.3
V
1.7
mA
0.8
A
2.5
18
20
V
22
/ ∆ Vs
Vs = 6V to 18V Im = 0.1A
0.45
%/V
/ ∆ IM
Vs = 6V
0.005
%/mA
/∆T
Vs = 6V
Im = 0.1A
Tamb = -20 to 70°C
0.02
%/°C
/ ∆ Vs Line regulation
Vs = 6V to 18V IM = 0.1A
0.02
%/V
/ ∆ IM
Load regulation
Vs = 6V
0.009
%/mA
/∆T
Temperature coefficient
Im = 0.1A
Vs = 6V
Tamb = -20 to 70°C
0.02
%/°C
∆ Vref
Vref
∆ Vref
Vref
∆ Vref
Vref
Im = 25 to 400 mA
Im = 25 to 400 mA
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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
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TDA1151
Figure 10. Application circuit
Vs
RM
RT
RS
Eg
IM
VM
= +9V
= 14.2Ω
= 280Ω
= 1 kΩ
= 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)
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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
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Figure 17. Speed variation
vs. motor current
Figure 18. Speed variation
vs. ambient temperature
TDA1151
SOT-32 PACKAGE MECHANICAL DATA
mm
DIM.
MIN.
TYP.
inch
MAX.
MIN.
TYP.
MAX.
A
7.4
7.8
0.291
0.307
B
10.5
10.8
0.413
0.425
b
0.7
0.9
0.028
0.035
b1
0.49
0.75
0.019
0.030
C
2.4
2.7
0.094
0.106
c1
1.2
0.047
D
15.7
0.618
e
2.2
0.087
e3
4.4
0.173
F
3.8
0.150
G
H
3
3.2
2.54
0.118
0.126
0.100
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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.
 1994 SGS-THOMSON Microelectronics - All Rights Reserved
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