TDA6108JF Datasheet, PDF (4/16 Pages) NXP Semiconductors – Triple video output amplifier

Philips Semiconductors
Triple video output amplifier
Product specification
TDA6108JF
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
R_th(j-a)
R_{th(j-fin)}
R_th(h-a)
thermal resistance from junction to ambient
thermal resistance from junction to fin
note 1
thermal resistance from heatsink to ambient
Note
1. An external heatsink is necessary.
VALUE
56
11
10
UNIT
K/W
K/W
K/W
handbook, h⁸alfpage
Ptot
(W)
(1)
6
MGL322
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).
4
(2)
2
0
−20
20
60
100
140
180
Tamb (°C)
(1) Infinite heatsink.
(2) No heatsink.
Fig.3 Power derating curves.
handbook, halfpage
outputs
5 K/W
thermal protection circuit
6 K/W
fin
MGK279
Fig.4 Equivalent thermal resistance network.
1999 Oct 29
4