LA7848 Integrated Circuit Chip TV Vertical Output + E/W Driver , Electronics Ic Chips
electronics ic chip
,integrated circuit components
Monolithic Linear IC
LA7848 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.
Maximum Ratings at Ta = 25°C
| Parameter | Symbol | Conditions | Ratings | Unit |
|---|---|---|---|---|
| Supply voltage | +B6 max | 45 | V | |
| Output block supply voltage | +B3 max | 92 | V | |
| Allowable power dissipation | Pd max | Mounted on an arbitrarily large heat sink | 9 | W |
| Deflection output current | I2 max | -1.5 to +1.5 | Ap-o | |
| EW drive current *1 | I10 max | V10 = 1.5V | +0.5 | Ap-o |
| EW drive voltage *2 | V10 max | I10 = 10µA | 45 | V |
| Thermal resistance | θj-c | 4 | °C /W | |
| Operating temperature | Topr | -20 to +85 | °C | |
| Storage temperature | Tstg | -40 to +150 | °C |
Note: The EW driver is used within the range that connects the two points *1 and *2.
Package Dimensions
Stock Offer (Hot Sell)
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| RF2001T3D | 17324 | ROHM | 16+ | TO-220F |
| STRG8644D | 2780 | SANKEN | 16+ | TO-220F |
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| STF11NM65N | 12728 | ST | 16+ | TO-220F |
| STF15NM65N | 3252 | ST | 14+ | TO-220F |
| STF20NM60A | 11768 | ST | 16+ | TO-220F |
| STF21N65M5 | 15945 | ST | 16+ | TO-220F |
| STF5NK100Z | 24996 | ST | 16+ | TO-220F |
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