TDA8357J datasheet(2/16 Pages) PHILIPS

Part #	TDA8357J

Description	Full bridge vertical deflection output circuit in LVDMOS

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 16 page

1999 Nov 10

2

Philips Semiconductors

Preliminary speciﬁcation

Full bridge vertical deﬂection output circuit

in LVDMOS

TDA8357J

FEATURES

• Few external components required

• High efficiency fully DC coupled vertical bridge output

circuit

• Vertical flyback switch with short rise and fall times

• Built-in guard circuit

• Thermal protection circuit

• Improved EMC performance due to differential inputs.

GENERAL DESCRIPTION

The TDA8357J is a power circuit for use in 90

° and 110°

colour deflection systems for 25 to 200 Hz field

frequencies, and for 4 : 3 and 16 : 9 picture tubes. The IC

contains a vertical deflection output circuit, operating as a

high efficiency class G system. The full bridge output

circuit allows DC coupling of the deflection coil in

combination with single positive supply voltages.

The IC is constructed in a Low Voltage DMOS (LVDMOS)

process that combines bipolar, CMOS and DMOS

devices. DMOS transistors are used in the output stage

because of absence of second breakdown.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VP

supply voltage

7.5

12

18

V

VFB

ﬂyback supply voltage

2VP

45

66

V

Iq(P)(av)

average quiescent supply current

during scan

−

10

15

mA

Iq(FB)(av)

average quiescent ﬂyback supply current

during scan

−−

10

mA

Ptot

total power dissipation

−−

8W

Inputs and outputs

Vi(dif)(p-p)

differential input voltage (peak-to-peak value)

−

1000

1500

mV

Io(p-p)

output current (peak-to-peak value)

−−

2.0

A

Flyback switch

Io(peak)

maximum (peak) output current

t

≤ 1.5 ms

−−±1.2

A

Thermal data; in accordance with IEC 747-1

Tstg

storage temperature

−55

−

+150

°C

Tamb

ambient temperature

−25

−

+75

°C

Tj

junction temperature

−−

150

°C

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8357J

DBS9P

plastic DIL-bent-SIL power package; 9 leads (lead length

12/11 mm); exposed die pad

SOT523-1

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