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PDF LA7848 Data sheet ( Hoja de datos )
| Número de pieza | LA7848 | |
| Descripción | TV Vertical Output + E/W Driver | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LA7848 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Ordering number : ENN7877
www.DataSheet4U.com
LA7848
Monolithic Linear IC
TV Vertical Output + E/W Driver
with Bus Control Support
Overview
The LA7848 is a vertical deflection plus EW driver IC for high image quality TV and CRT displays that supports the use
of a bus control system signal-processing IC. The sawtooth waveform from the bus control system signal-processing IC
can directly drive the deflection yoke (including the DC component). The LA7848 also provides a parabolic waveform
output that can similarly be used to drive the diode modulator block.
Functions
• Built-in pump-up circuit for low power dissipation.
• Vertical output circuit.
• Excellent crossover characteristics.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Supply voltage
+B6 max
Output block supply voltage
+B3 max
Allowable power dissipation
Pd max
Mounted on an arbitrarily large heat sink.
Deflection output current
I2 max
EW drive current *1
I10 max
V10 = 1.5V
EW drive voltage *2
V10 max
I10 = 10µA
Thermal resistance
θj-c
Operating temperature
Topr
Storage temperature
Tstg
Note: The EW driver is used within the range that connects the two points *1 and *2.
Ratings
45
92
9
-1.5 to +1.5
+0.5
45
4
-20 to +85
-40 to +150
Unit
V
V
W
Ap-o
Ap-o
V
°C /W
°C
°C
90705 MS OT B8-5526 No.7877-1/6
1 page  
LA7848
4. Charge pump discharge saturation voltage Vsat6-7
Figure 4
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In the circuit in figure 4 with the output from pin 7 absorbed by an electronic load, read the value shown by the
voltage meter (V) when the current meter (A) reads 1.1A.
7. Idling current Idl
8. Midpoint voltage Vmid
Figure 5
In the circuit in figure 5, read the value shown by the current meter (A).
In the circuit in figure 5, read the value shown by the voltage meter (V).
No.7877-5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LA7848.PDF ] | |
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