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PDF TDA6120Q Data sheet ( Hoja de datos )
| Número de pieza | TDA6120Q | |
| Descripción | Video output amplifier | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TDA6120Q
Video output amplifier
Product specification
Supersedes data of 2000 Apr 19
File under Integrated Circuits, IC02
2000 Dec 13
1 page  
Philips Semiconductors
Video output amplifier
Product specification
TDA6120Q
(1) Infinite heatsink.
(2) No heatsink.
handbook,2h0alfpage
Ptot
(W)
16
MGK442
12
(1)
8
4
0
−20 0 20
(2)
40 80 120 160
Tamb (°C)
Fig.4 Power derating curve.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth(j-c)
thermal resistance from junction to case
QUALITY SPECIFICATION
Quality specification in accordance with “SNW-FQ-611 part D”.
VALUE
3.0
UNIT
K/W
2000 Dec 13
5
5 Page 
Philips Semiconductors
Video output amplifier
Product specification
TDA6120Q
TEST AND APPLICATION INFORMATION
Dissipation
Regarding dissipation, distinction must be made between
static dissipation (independent of frequency) and dynamic
dissipation (proportional to frequency). The static
dissipation of the TDA6120Q is due to supply currents, and
currents in the feedback network and CRT.
The static dissipation is given by the following equation:
Pstat = VCC × ICC + VDD × IDD
– VOUTC × V-----O--R--U--f-T---C-- – VOUTC × IOUTC
Where:
Rf = feedback resistance
IOUTC = DC cathode current.
The dynamic dissipation is given by the following equation:
Pdyn = VDD × (CL + Cint) × f × VOUTC(p-p) × b
Where:
CL = load capacitance
Cint = effective internal load capacitance
(approximately 7 pF)
f = frequency
VOUTC(p-p) = output voltage (peak-to-peak value)
b = non-blanking duty cycle (0.8).
The IC must be mounted on the picture tube base
printed-circuit board to minimize the load capacitance CL.
Switch-off
The TDA6120Q is equipped with a switch-off circuit to
guarantee a controlled switch-off behaviour of the output
pins. The switch-off function is activated when the low
supply voltage (VCC) drops below a reference level
(VCC(sw)). Then the voltage at output pins OUT and OUTC
is pulled to the high supply voltage level (VDD),
independant of input pin voltage levels.
2000 Dec 13
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TDA6120Q.PDF ] | |
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