LA78040B-E IC Integrated Circuit Chip TV and CRT Display Vertical Output IC with Bus Control Support
power mosfet ic
,silicon power transistors
Monolithic Linear IC
LA78040N
TV and CRT Display Vertical Output IC with Bus Control Support
Overview
The LA78040N is a vertical deflection output 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). Color TV vertical deflection system adjustment functions can be controlled over a bus system by connecting the LA78040N to a Sanyo LA768X series or LA769XX series bus control system signal-processing IC.
Since the LA78040N provides a maximum deflection current of 1.7Ap-p, it is optimal for small and medium size CRTs.
Functions
• Built-in pump-up circuit for low power dissipation.
• Vertical output circuit.
• Thermal protection circuit
Maximum Ratings at Ta = 25°C
| Parameter | Symbol | Conditions | Ratings | Unit |
| Pump-up block supply voltage | +B2 max | 34 | V | |
| Output block supply voltage | +B6 max | 70 | V | |
| Allowable power dissipation | Pd max | Mounted on an arbitrarily large heat sink. | 9 | W |
| Deflection output current | I5 max | -1.4 to +1.4 | Ap-o | |
| Thermal resistance | θj-c | 3 | °C/W | |
| Operating temperature | Topr | -20 to +85 | °C | |
| Storage temperature | Tstg | -40 to +150 | °C |
Package Dimensions
Block Diagram
Application Circuit Example 1 (Single power supply)
Application Circuit Example 2 (Dual power supply)
Stock Offer (Hot Sell)
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