LA78040B-E The Vertical Deflection Output IC With Bus Control Support for TVs and CRT Display
manufacturer:
ON Semi / Catalyst Semi
Description:
Video Controller IC 7-220H Package
Category:
Integrated Circuit Chips
Price:
Negotiate
Payment Method:
T/T, Western Union, Paypal
Specifications
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
Introduction
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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MOQ:
10pcs