TDA8939TH Datasheet, PDF(11/21 Page) NXP Semiconductors – Zero dead time Class-D 7.5 A power comparator

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TDA8939TH Datasheet, PDF (11/21 Pages) NXP Semiconductors – Zero dead time Class-D 7.5 A power comparator

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Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

input

Vi(dif)

Vcom

3.3 V

VDD

output

Vo 0 V

tr(LH)

tr(HL)

tW(min)

VSS

1/fc

time

001aaa063

Vcommon = VSSA1 to (VDDA1 â 7.5 V).

tdead cannot be represented in the ï¬gure.

Response times depend on input signal amplitude.

The second input pulse is not reproduced with same pulse width by the output due to minimum pulse width limitation.

Fig 5. Timing diagram PWM output.

9397 750 13023

Objective data sheet

Rev. 01 â 22 April 2004

11 of 21

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