TDA8939 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA8939

Zero dead time Class-D 7.5 A power comparator

Philips Electronics 

Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

4. Quick reference data

Table 1: Quick reference data

VP = ±25 V; fcarrier = 384 kHz.

Symbol

Parameter

VP

supply voltage

Conditions

symmetrical supply

voltage

Min Typ Max Unit

[1] ±10 ±25 ±30 V

asymmetrical supply

voltage

20 50 60 V

Iq(tot)

η

total quiescent current no load connected; no

filters; no snubbers

connected

efficiency

Prated

-

50 70 mA

-

90 -

%

[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 2: Ordering information

Type

number

Package

Name Description

TDA8939TH HSOP24 plastic, heatsink small outline package; 24 leads; low

stand-off height

Version

SOT566-3

9397 750 13023

Objective data sheet

Rev. 01 — 22 April 2004

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

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