Anterwell Technology Ltd.
Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
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| Pump-up Block Supply Voltage: | 34V | Output Block Supply Voltage: | 70V |
|---|---|---|---|
| Allowable Power Dissipation: | 9W | Operating Temperature: | -20°C To +85°C |
| Storage Temperature: | -40°C To +150°C | Data Sheet: | Pls Contct Me |
| Highlight: | electronics ic chip,integrated circuit ic |
||
LA78040B The Vertical Deflection Output IC With Bus Control Support for TVs and CRT Display
Overview
The LA78040B is a vertical deflection output IC for TVs and CRT displays with excellent image quality that use a BUS control system signal processing IC. This IC can drive the direct (even including a DC component) deflection yoke with the saw tooth wave output from the BUS control system signal processing IC.
Functions
Low power dissipation due to built-in pump-up circuit
Vertical output circuit
Thermal protection circuit built in
Excellent crossover characteristics
DC coupling possible
Specifications 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 |
Operating Condtions at Ta = 25°C
| Parameter | Symbol | Conditions | Ratings | Unit |
|---|---|---|---|---|
| Recommended supply voltage | +B2 | 24 | V | |
| Operating supply voltage range | +B2 op | 16 to 33 | V | |
| Deflection output current | I5p-p | to 1.8 | Ap-p |
Operating Characteristics at Ta = 25°C, +B2 = 24V
| Parameter | Symbol | Conditions | Ratings | Unit | ||
| min | typ | max | ||||
| Deflection output saturation voltage (lower) | Vsat5-4 | I5 = 0.9A | 1.3 | V | ||
| Deflection output saturation voltage (upper) | Vsat6-5 | I5 = -0.9A | 3.2 | V | ||
| Pump-up charge saturation voltage | I3 = 20mA | 1.8 | V | |||
| Pump-up discharge saturation voltage | I3 = -0.9A | 3.0 | V | |||
| Idling current | Idl | 20 | 50 | mA | ||
| Midpoint voltage | Vmid | 11.0 | 12.0 | 13.0 | V | |
Package Dimensions
unit : mm (typ) 3286
Pin Connections and Functional Block Diagram
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