TDA7275A Datasheet, PDF (3/7 Pages) STMicroelectronics – MOTOR SPEED REGULATOR

TDA7275A
ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 12V, Tamb = 25°C unless otherwise
specified, refer to test circuit)
Symbol
V_S
V_ref
I_q + I_d
I_d
I_ms
Parameter
Supply Voltage Range
Reference Voltage
Total Quiescent Current
Quiescent Current
Starting Motor Current
V₄
Saturation Voltage
K = I_M/I_T
∆K ⁄ ∆V_S
K
Reflection coefficient
∆K ⁄ ∆I_M
K
∆K ⁄ ∆T
K
∆Vref ^⁄ ∆VS Line Regulation
V_ref
∆V_ref ^⁄ ∆I_M Load Regulation
V_ref
∆V_ref ^⁄ ∆T Temperature Coefficient
V_ref
V₂
Motor ”Stop” (Acc. Following
data or grounded)
I2
Motor ”Stop”
V₂
Motor ”Run” (Acc. Following
data or open)
I₂
Motor ”Run”
Test Condition
I_M = 0.1A
I_M = 0.1mA
I_M = 0.1mA
∆Vref
V_ref
=
–50%
I_M = 0.5A
I_M = 0.1A
I_M = 0.1A
V_S = 8 to 16V
IM = 25 to 200mA
I_M = 0.1A
T_op = –30 to +85°C
I_M = 0.1A
V_S = 8 to 16V
I_M = 25 to 200mA
I_M = 0.1A
T_op = –30 to +85°C
V2 = 1V
V2 = 1.5V
Min. Typ. Max. Unit
8
18
V
1.05 1.22 1.35
V
2
mA
1
mA
1
A
1.7
2
V
18
20
22
–
0.5
%/V
–0.05
%/mA
0.02
%/°C
0.04
%/V
–0.01
%/mA
0.02
%/°C
1
V
–0.05
mA
1.5
V
–0.1
mA
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