TDA8939TH datasheet(9/21 Pages) PHILIPS

9 / 21 page

9397 750 13023

Objective data sheet

Rev. 01 — 22 April 2004

9 of 21

Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

11. Static characteristics

Table 10:

Static characteristics

VP = ±25 V; fcarrier = 384 kHz; Tamb = 25 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

supply voltage

symmetrical supply voltage

[1]

±10

±25

±30

asymmetrical supply voltage

quiescent current

no load; no ﬁlters; no

snubbers connected

-50

reset mode

Istb

standby current

standby mode

120

170

µA

Internal stabilizer logic supplies

VSTAB1,

VSTAB2

stabilizer output voltage

Comparator full differential input stage: pins IN1P, IN1N, IN2P and IN2N

Vi(diff)

differential input voltage range

3.3

Vi(com)

common mode input voltage

VSSA1

-VDDA1 − 7.5 V

Ii(bias)

input bias current

µA

Common ground: pin CGND

VCGND

common ground reference

voltage

asymmetrical supply

Diagnostic output: pin DIAGN

VOL

LOW-level output voltage

referenced to CGND;

IDIAGN = 1 mA

[2]

Vpu(max)

maximum pull-up voltage

referenced to CGND

leakage current

no error condition

µA

Enable input: pin ENABLE

VIL

LOW-level input voltage

referenced to CGND

VIH

HIGH-level input voltage

referenced to CGND

input current

VENABLE = 12 V

140

µA

Power-up input: pin POWERUP

VIL

LOW-level input voltage

referenced to CGND

0.5

VIH

HIGH-level input voltage

referenced to CGND

VDDA

Vhys

hysteresis voltage

0.3

input current

VPOWERUP = 12 V

140

µA

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