TDA7274 datasheet(3/10 Pages) STMICROELECTRONICS

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THERMAL DATA

Symbol

Parameter

Value

Unit

Rth j-amb

Thermal Resistance Junction-ambient

Max.

100

°C/W

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage

Motor Current

700

Ptot

Power Dissipation at Tamb =25

°C

1.25

ELECTRICAL CHARACTERISTICS (Refer to test circuit, VS = 3V, Tamb =25

°C unless otherwise speci-

fied)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage Range

1.8

Vref

Reference Voltage

IM = 100mA

0.18

0.20

0.22

Quiescent Current

2.4

6.0

Id (Pin 6)

Quiescent Current

120

µA

Shunt Ratio

IM = 100mA

–

Vsat

Residual Voltage

IM = 100mA

0.13

0.3

∆Vref

Vref

⁄ ∆VS Line Regulation

IM = 100mA

VS = 1.8 to 6V

0.20

%/V

∆K

⁄ ∆VS

Voltage Characteristic of Shut

Ratio

IM = 100mA

VS = 1.8 to 6V

0.80

%/V

∆Vref

Vref

⁄ ∆IM Load Regulation

IM = 20 to 200mA

0.004

%/mA

∆K

⁄ ∆IM

Current Characteristic of Shut

Ratio

IM = 20 to 200mA

–0.03

%/mA

∆Vref

Vref

⁄ ∆Tamb Temperature Characteristic of

Reference Voltage

IM = 100mA

Tamb = –20 to +60

°C

0.04

°C

∆K

⁄ ∆Tamb Temperature Characteristic of

Shut Ratio

IM = 100mA

Tamb = 20 to +60

°C

0.02

°C

TDA7274

3/10

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