March 1991

7

Philips Semiconductors

Product specification

Vertical deflection and guard circuit (90˚)

TDA3653B

TDA3653C

Notes to the characteristics

1. The maximum supply voltage should be chosen such that during flyback the voltage at pin 5 does not exceed 60 V.

3. Duty factor maximum 3.3%.

4. Guard circuit is active.

7. With 220 pF between pins 1 and 5.

Input current during scan (pin 3)

pins 1 and 3 not connected

0.03

−−

mA

pins 1 and 3 connected

−−

0.21

mA

Input resistance (pin 3)

3.9

5.3

6.7

k

Ω

Input voltage during flyback (pin 1)

−−

250

mV

Input voltage during flyback (pin 3)

−−

250

mV

Guard circuit

Output voltage (pin 7)

note 4

loaded with 100 k

Ω

4.4

5.1

5.8

V

loaded with 0.5 mA

3.6

4.4

5.3

V

Internal series resistance of pin 7

0.95

1.35

1.7

k

Ω

Guard circuit active if

note 5

−−

1.8

V

General data

Thermal protection becomes active

if junction temperature exceeds

158

175

192

°C

Thermal resistance junction

to mounting base

−

10

12

K/W

Open loop gain at 1 kHz

note 6

−

42

−

dB

Frequency response (

−3 dB)

note 7

f

−

40

−

kHz

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT