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LA7823
LA7823 is a vertical deflection output IC for color TV/monitor, with sawtooth wave output waveform.
LA7823
LA7823 is a vertical deflection output IC for color TV/monitor, with sawtooth wave output waveform.
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LA7823 DataSheet
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Details
The LA7823 is a vertical deflection output circuit IC commonly used in CRT displays and televisions. It is designed to drive the deflection yoke coil to create vertical scanning on the screen. The LA7823 features a supply voltage range of 12-24V, a maximum output current of 1.2A, and a maximum deflection current of 2.2A.This IC incorporates a built-in sawtooth waveform generator, which produces the necessary sawtooth waveforms for the vertical deflection system. It also includes a flyback generator circuit to provide the flyback voltage required for vertical blanking. Additionally, the LA7823 integrates several protection circuits to safeguard the device and connected components from overcurrent, overvoltage, and thermal damage.The LA7823 is housed in a 7-pin SIP package, making it easy to integrate into electronic circuits and devices. It is a reliable and cost-effective solution for vertical deflection applications in CRT displays and televisions.
Key Features
- Vertical output IC for color TV
- High integration with vertical deflection output circuit
- Capable of directly driving deflection yoke
- Wide supply voltage range of 8V to 30V
- Low power consumption
- Thermal shutdown protection
- Designed for use in CRT displays
Application
- Television sets
- Monitors
- Projection displays
- Video recorders
- DVD players
- Digital cameras
- Set-top boxes
- Video game consoles
- Car entertainment systems
- Home theater systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | SANYO | Product Category ! | IC Chips |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LA7823?
The LA7823 is a vertical deflection output IC commonly used in CRT (cathode ray tube) television displays. It is designed to drive the vertical deflection coil and control the vertical size and position of the picture on the screen.
How Does LA7823 Work?
The LA7823 works by receiving vertical deflection signals from the television's vertical processing circuitry and amplifying them to drive the vertical deflection coil. By varying the current in the deflection coil, the LA7823 controls the vertical position and size of the displayed image on the CRT screen.
How Many Pins does LA7823 have and What are the Functions of the Pinout Configuration?
The LA7823 is typically available in a 7-pin SIP (Single In-line Package) configuration. The pinout configuration includes:
- 1. N/C: Not connected.
- 2. GND: Ground connection.
- 3. VCC: Power supply voltage input.
- 4. S1: Vertical size control input.
- 5. S2: Vertical position control input.
- 6. OUT: Vertical deflection coil output.
- 7. N/C: Not connected.
What are the Pros and Cons of LA7823?
Pros:
- Specific Functionality: Designed specifically for vertical deflection control in CRT televisions.
- Simple Integration: Easy to interface with vertical processing circuitry.
- Reliable Performance: Provides reliable vertical deflection coil driving for CRT displays.
Cons:
- Obsolete Technology: CRT displays are becoming less common, making the LA7823 less relevant in modern electronics.
- Limited Application: Designed for a specific function and may not have versatility for other applications.
Are There Any Equivalents/Alternatives to LA7823 for Recommendation?
Alternatives to the LA7823 for vertical deflection control in CRT displays include the LA7830 and LA7837 from Sanyo.
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