9397 750 13023

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

Objective data sheet

Rev. 01 — 22 April 2004

2 of 21

Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

4.

Quick reference data

[1]

When the supply voltage is below

±12.5 V the PWM outputs will not be able to switch to the high side at the

first PWM cycle.

5.

Ordering information

Table 1:

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

symmetrical supply

voltage

[1]

±10

±25

±30

V

asymmetrical supply

voltage

20

50

60

V

total quiescent current no load connected; no

filters; no snubbers

connected

-

5070mA

η

efficiency

-90

-

%

Table 2:

Ordering information

Type

number

Package

Name

Description

Version

TDA8939TH

HSOP24

plastic, heatsink small outline package; 24 leads; low

stand-off height

SOT566-3