ST TDA1151 User Manual
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EXCELLENTVERSATILITYIN USE
HIGHOUTPUTCURRENT (UP TO 800mA)
LOW QUIESCENT CURRENT (1.7mA)
LOW REFERENCE VOLTAGE(1.2V)
EXCELLENT PARAMETERS STABIL ITY
VERSUSTEMPERATURE
DESCRIPTION
The TDA1151 is a monolithic integratedcircuit in
SOT-32 plastic package. It is intended for use as
speed regulator for DC motors of record players,
tape and cassetterecorders, moviecameras, toys
etc.
TDA1151
MOTOR SPEED REGULATOR
SOT-32
ORDERING NUMBER : TDA1151
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
s
P
tot
T
stg,Tj
Supply voltage 20 V
Totalpower dissipation at T
at T
Storage and junction temperature -40 to 150
amb
case
=70°C
= 100°C
0.8 W
5W
APPLICATION CIRCUIT
°C
March 1993
1/8
TDA1151
CONNECTION DIAGRAM
TESTCIRCUIT
2/8
TDA1151
THERMALDATA
Symbol Parameter Value Unit
R
th j-case
R
th j-amb
ELECTRICALCHARACTERISTICS (Refer to the test circuit, T
Thermal resistance junction-case max 10
Thermal resistance junction-ambient max 100 °
=25°C)
amb
Symbol Parameter Testconditions Min. Typ. Max. Unit
V
ref
Reference voltage
Vs=6V IM= 0.1A 1.1 1.2 1.3 V
(between pins 1 and 2)
I
d
I
MS
V
K=I
∆ K
K
∆ K
K
∆ K
K
∆ V
V
1-3
m
ref
ref
Quiescent drain current
Starting current
Minimum supplyvoltage
/I’
/∆V
/∆I
Reflection coefficient Vs=6V IM= 0.1A 18 20 22
T
s
M
/∆T
/∆V
s Line regulation V
=6V IM= 100 µA
V
s
=5V ∆V
V
s
= 0.1 A ∆V
I
m
ref/Vref
ref/Vref
= -50%
= -5%
0.8 A
Vs= 6V to 18V Im= 0.1A 0.45 %/V
Vs=6V Im= 25 to 400 mA 0.005 %/mA
V
=6V Im= 0.1A
s
T
= -20 to 70°C
amb
= 6V to 18V IM= 0.1A 0.02 %/V
s
1.7 mA
2.5 V
0.02 %/°C
°C/W
C/W
∆ V
V
∆ V
V
ref
/∆I
M Load regulation V
ref
ref
/∆T
ref
Temperaturecoefficient
=6V Im= 25 to 400 mA 0.009 %/mA
s
=6V Im= 0.1A
V
s
T
= -20 to 70°C
amb
0.02
%/°C
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