Philips TDA6103Q

March 1994 4

Philips Semiconductors Preliminary speciﬁcation

Triple video output ampliﬁer TDA6103Q

THERMAL RESISTANCE

Note

1. An external heatsink is necessary.

SYMBOL PARAMETER THERMAL RESISTANCE

Rth j-ﬁn from junction to ﬁn; note 1 11 K/W

Rth h-a from heatsink to ambient 18 K/W

Fig.3 Power derating curves.

(1) Infinite heatsink.

(2) No heatsink.

0 50 100–50

MGA972

150

Ptot

(W) 4

T ( C)

amb

(1)

(2)

Thermal protection

The internal thermal protection circuit gives a decrease of

the slew rate at high temperatures: 10% decrease at

130 °C and 30% decrease at 145 °C (typical values on the

spot of the thermal protection circuit).

Fig.4 Equivalent thermal resistance network.

Thermal protection circuit

5 K/W

6 K/W

OUTPUTS

FIN

MGA970

Contents

Main Page Triple video output amplier TDA6103Q Handling MOS Devices Quality reference pocketbook SNW-FQ-611 part E Page Page Triple video output amplier TDA6103Q March 1994 7 Test circuit Fig.5 Test circuit with feedback factor 1150. 3 TDA6103Q March 1994 8 Fig.6 Typical low-frequency (f < 1 MHz) response of Vi1, 2,3 to Voc1, 2,3. Fig.7 Output voltage (pins 7, 8 and 9) rising edge as a function of the AC input signal. March 1994 9 Fig.8 Output voltage (pins 7, 8 and 9) falling edge as a function of the AC input signal. March 1994 10 Triple video output amplier TDA6103Q Fig.9 Application diagram. TEST AND APPLICATION INFORMATION TDA6103Q Page March 1994 12 PACKAGE OUTLINE Fig.11 Plastic SIL-bent-to-DIL, medium power with fin, 9-pin (SOT111BE). Page Page Page Philips Semiconductors Philips Semiconductors a worldwide company