TDA8939 datasheet(8/21 Pages) PHILIPS

Part #	TDA8939

Description	Zero dead time Class-D 7.5 A power comparator

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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9397 750 13023

Objective data sheet

Rev. 01 — 22 April 2004

8 of 21

Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

9.

Limiting values

10. Thermal characteristics

Fig 4.

Mode selection timing diagram.

001aaa062

standby

start-up sequence

switch-off sequence

status

POWERUP

ENABLE

reset

operating

reset

standby

Table 8:

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

Vp

supply voltage

-

60

V

IORM

repetitive peak current on

output pins

-

7.5

A

Tstg

storage temperature

−55

+150

°C

Tamb

ambient temperature

−40

+85

°C

Tvj

virtual junction temperature

-

150

°C

Table 9:

Thermal characteristics

Symbol

Parameter

Conditions

Value

Unit

Rth(j-a)

thermal resistance from junction to ambient in free air

40

K/W

Rth(j-c)

thermal resistance from junction to case

1.3

K/W

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