TDA7274 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7274 Datasheet PDF : 10 Pages
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TDA7274
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VS Supply Voltage
IM Motor Current
Ptot Power Dissipation at Tamb = 25°C
Value
Unit
6
V
700
mA
1.25
W
THERMAL DATA
Symbol
Parameter
Rth j-amb Thermal Resistance Junction-ambient
Max.
Value
100
Unit
°C/W
ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 3V, Tamb = 25°C unless otherwise speci-
fied)
Symbol
Parameter
VS
Supply Voltage Range
Vref
Reference Voltage
Iq
Quiescent Current
Id (Pin 6) Quiescent Current
K
Shunt Ratio
Vsat
Residual Voltage
∆Vref
Vref
⁄
∆VS
Line Regulation
∆K
K
⁄
∆VS
∆Vref
Vref
⁄
∆IM
Voltage Characteristic of Shut
Ratio
Load Regulation
∆K
K
⁄
∆IM
Current Characteristic of Shut
Ratio
∆Vref
Vref
⁄
∆T amb
Temperature Characteristic of
Reference Voltage
∆K
K
⁄
∆Tamb
Temperature Characteristic of
Shut Ratio
Test Condition
IM = 100mA
IM = 100mA
IM = 100mA
IM = 100mA
VS = 1.8 to 6V
IM = 100mA
VS = 1.8 to 6V
IM = 20 to 200mA
IM = 20 to 200mA
IM = 100mA
Tamb = –20 to +60°C
IM = 100mA
Tamb = 20 to +60°C
Min. Typ. Max. Unit
1.8
6
V
0.18 0.20 0.22
V
2.4
6.0
mA
120
µA
45
50
55
–
0.13 0.3
V
0.20
%/V
0.80
%/V
0.004
%/mA
–0.03
%/mA
0.04
%/°C
0.02
%/°C
3/10
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