Characteristics – Philips TDA4861 User Manual

Page 6

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1997 Jan 20

6

Philips Semiconductors

Product specification

Vertical deflection power amplifier for
monitors

TDA4861

CHARACTERISTICS
V

P1

= V

P2

= 25 V; V

N

= V

6

= 0 V; T

amb

= 25

°

C; voltages referenced to substrate (pin 6); unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

V

P1

supply voltage 1 (pin 1)

9

25

30

V

V

P2

supply voltage 2 (pin 4)

9

25

60

V

V

P3

supply voltage 3 (pin 8)

9

−

60

V

I

P1

supply current (pin 1)

−

−

10

mA

I

P2

quiescent supply current (pin 4)

without input signal

−

9

−

mA

Pre-amplifier

V

2,3

input voltage (pins 2 and 3)

1.6

−

V

P1

−

0.5 V

I

2,3

input quiescent current

without input signal

−

100

−

nA

Flyback generator

V

7

output voltage

upper value; I

7

=

−

1 A

−

V

P3

−

2.2

−

V

I

7(M)

flyback output current
(maximum value; pin 7)

−

−

±

1.3

A

V

1-5

threshold voltage to switch flyback

on/off threshold

−

1.4

−

V

t

pFLB

flyback pulse time

see Figs 1 and 3

−

250

−

µ

s

Vertical output; see Fig.3

V

5

output voltage

upper value; I

5

=

−

1 A V

P2

−

2.3 V

P2

−

2

−

V

lower value; I

5

= 1 A

−

1.5

1.7

V

upper value;
I

5

=

−

1.4 A

−

V

P2

−

2.3

−

V

lower value; I

5

= 1.4 A

−

1.7

−

V

I

5(p-p)

vertical output current
(peak-to-peak value; pin 5)

−

−

2.8

A

LIN

non-linearity of output signal

−

−

1

%

Pulse circuit output; see Fig.3

V

9

output voltage

R

PCO

= 10 k

Ω

;

see Fig.1

0.4

−

V

P1

−

0.4 V

V

9

output voltage for thermal protection
active

V

P1

−

0.4

−

−

V

V

1-5

voltage to insert flyback pulse on pin 9 normal condition

−

−

1.4

V

t

p9

pulse width

deflection open-circuit

−

50

−

%

normal condition

t

pFLB

−

−

µ

s

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