TDA7275A datasheet(3/7 Pages) STMICROELECTRONICS

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ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 12V, Tamb =25

°C unless otherwise

specified, refer to test circuit)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage Range

Vref

Reference Voltage

IM = 0.1A

1.05

1.22

1.35

Iq +Id

Total Quiescent Current

IM = 0.1mA

Quiescent Current

IM = 0.1mA

Ims

Starting Motor Current

∆Vref

Vref

= –50%

Saturation Voltage

IM = 0.5A

1.7

K= IM/IT

Reflection coefficient

IM = 0.1A

–

∆K ⁄ ∆VS

IM = 0.1A

VS = 8 to 16V

0.5

%/V

∆K ⁄ ∆IM

IM = 25 to 200mA

–0.05

%/mA

∆K ⁄ ∆T

IM = 0.1A

Top = –30 to +85

°C

0.02

°C

∆Vref ⁄ ∆VS

Vref

Line Regulation

IM = 0.1A

VS = 8 to 16V

0.04

%/V

∆Vref ⁄ ∆IM

Vref

Load Regulation

IM = 25 to 200mA

–0.01

%/mA

∆Vref ⁄ ∆T

Vref

Temperature Coefficient

IM = 0.1A

Top = –30 to +85

°C

0.02

°C

Motor ”Stop” (Acc. Following

data or grounded)

Motor ”Stop”

V2 = 1V

–0.05

Motor ”Run” (Acc. Following

data or open)

1.5

Motor ”Run”

V2 = 1.5V

–0.1

TDA7275A

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