TA8483CP_06 datasheet(5/22 Pages) TOSHIBA

5 / 22 page

TA8483CP

2006-3-2

5. Output voltage detection circuit (COMP)

• Brings about majority logical sum output. (When

two

−phase output or higher out of three−phase

output is larger than mid

−point voltage VCC / 2,

"high" is output; when it is smaller, "low" is

output.)

6. Upper side output B

−E shunt circuit

• A base−emitter shunt circuit is incorporated to

turn off the upper side power transistor.

Absolute Maximum Ratings (Ta = 25°C)

Characteristic

Symbol

Rating

Unit

Supply voltage

Output current

IOUT (PEAK)

2.0

Power dissipation

2.3 (Note)

Operating temperature

Topr

−30~85

°C

Storage temperature

Tstg

−55~150

°C

Input voltage

VIN

6.0

(Note) No heat sink

Recommended Operating Conditions (Ta =

−30 to 85°C)

Characteristic

Symbol

Min

Typ.

Max

Unit

Supply voltage

―

Output current

IOUT

―

1.5

Chopping frequency

fPWM

―

kHz

COMP

< Output voltage detection circuit >

Internal logic power

supply (≃ 6.7V)

250µA

VCC

OUT

9 / 7 / 6

: Shunt circuit

< Upper side output b − e shunt circuit >

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