Philips TDA6107JF Thermal Characteristics, Conditions, Thermal protection, Symbol, Parameter

Philips Semiconductors			Product specification
Triple video output amplifier			TDA6107JF
THERMAL CHARACTERISTICS
SYMBOL	PARAMETER	CONDITIONS	VALUE	UNIT
Rth(j-a)	thermal resistance from junction to ambient		56	K/W
Rth(j-fin)	thermal resistance from junction to fin	note 1	11	K/W
Rth(h-a)	thermal resistance from heatsink to ambient		18	K/W

Note

1. An external heatsink is necessary.

8					MBH989
handbook, halfpage
Ptot
(W)
6		(1)
4
		(2)
2
0
−40	0	40	80	120	160
				Tamb (°C)

(1)Infinite heatsink.

(2)No heatsink.

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).

handbook, halfpage outputs

5 K/W

thermal protection circuit

6 K/W

fin MGK279

Fig.3 Power derating curves.

Fig.4 Equivalent thermal resistance network.

2002 Oct 18 5