View AN5792_400160.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

ICs for TV
AN5790N, AN5792
Horizontal Signal Processing ICs for CRT Display
s Overview
The AN5790N and AN5792 are the intergrated circuits designed for CRT display horizontal signal processing circuits.
AN5790N
7.90.3 12 11 10 9 8 7 6 5 4 3 2 1
+ 0.1 0.45 - 0.05
Unit : mm
3.50.25 1.20.25
s Features
* Horizontal synchronous signal is available in both polarities.
29.40.3
* Wide range of horizontal osciallation frequency : 14kHz
to 60kHz. * Output pulse width : 2s to 40s * Package AN5790N...NF-12S(12-Pin SIL plastic package) AN5792...F-12S (12-Pin SIL plastic package with fin)
2.54 1.70.25
1.70.25
12-Pin SIL Plastic Package (12-SIP)
AN5792
5.80.25 7.90.3 12 11 10 9 8 7 6 5 4 3 2 1 3.50.25 1.20.25
0.50.1 1.20.25
Unit : mm
o3.3
0.50.1 1.20.25
28.00.3
+ 0.1 0.45 - 0.05
1.70.25
1.70.25
12-Pin SIL Plastic Package with Fin (12-SIF (f))
s Block Diagram
VCC
6 5
1 2
Polarity Switch
X-ray Protector
Pre-Amp.
8
AFC
Hor. Osc.
PulseWidth Adjustment
7
GND
3
4
12
11
9
10
29.40.3
2.54
AN5790N, AN5792
s Absolute Maximum Ratings (Ta= 25C)
Parameter Supply voltage Supply current Power dissipation Temperature Operating ambient temperature Storage temperature Symbol VCC ICC PD Topr Tstg Rating 13.2 50 1140 - 20 to +70 - 40 to +150
ICs for TV
Unit V mA mW C C
s Electrical Characteristics (Ta= 25C)
Parameter Total circuit current Polarity switching voltage (1) Polarity switching voltage (2) Horizonal oscillation start voltage Horizonal oscillation frequency Horizonal oscillation frequency fHO supply voltage dependency fHO ambient temperature dependency Oscillation frequency control sensitivity DC loop gain Output pulse width Output pulse width
Output pulse width variation to supply voltage change
Symbol Itot V2-7 V2-7 VOSC-S (H) fHO (1) fHO (2) fHO/VCC fHO/Ta fDC HO (1) HO (2) HO/VCC HO/Ta V8-7 I8-7 V6-7 VCC=11V
Condition Positive polarity signal input Negative polarity signal input fHO=12kHz to 19kHz VCC=11V, C= 4400pF VCC=11V, C= 820pF, 5600pF fHO=15.75kHz, fHO | 9.9V- fHC | 12.1V fHO=15.75kHz, fHO | -20C - fHC | 60C IO= 25A x VCC=11V, R= 20k, C= 6800pF VCC=11V, R=20k, C=330pF, 18000pF VCC= 9.9V to 12.1V VCC=11V, Ta= - 20C to + 60C VCC=11V, V10-7=1V VCC=11V, V10-7=1V VCC=11V
min 30 0 2.5 7.5 15 14
typ 45
max 60 0.4 5.5
Unit mA V V V kHz kHz Hz Hz Hz/A Hz/s s s % % V mA V
15.75 40
16.5 60 130 260 19.3 21.2 40 5 5 2
16 17.8 2
17.6 700 19.4
Output pulse width variation to temeprature change
Oscillation output saturation voltage Oscillation output drive current X-ray protecting circuit operation start voltage
300 0.5 0.64 0.75
s Application Circuit
AN5790N/AN5792
220F/16V
39pF FBK Pulse Input 33k
0.015F
Hor. Sync. Signal
+ - VCC (11V) 4.7F + - 3.3k
+ -
33F/50V
1
2
3
4
5
6
7
8
Output
9
10
11
12
0.018F
20k 27k
2700pF 2700pF (Styrol Cap.) (Mylar Film Cap.) 2.7k 2k
0.033F
ICs for TV
AN5790N, AN5792
s Pin Descriptions
Pin No. Pin name Typ. waveform Description Equivalent circuit
4k
5V
1
Horizontal synchronous signal input pin
5V 0V
Pin for inputting a horizontal synchronous signal.
1
4k
5V
2
Polarity discrimination switching pin
DC
Both polarities of an input signal of Pin1 are made available by connecting this pin to GND or setting it to OPEN
2
3
Flyback pulse input pin
Flyback feedback pin. The standard value of amplitude is 1.5Vpp.
3
5.9V
4
AFC output pin
DC
Result of AFC detection.
4
5
Supply voltage
DC
6
X-ray protecting circuit input pin
DC
When a voltage of 0.75V or more is applied, no horizonal output will not be generated.
6
200
7
GND
DC 8
8
Horizontal drive output pin
Current when turned ON should be used at 300mA or less.
2
680
AN5790N, AN5792
s Pin Descriptions (cont.)
Pin No. Pin name Typ. waveform Description 10 9 Trigger input pin The output pulse width can be changed by the capacitance between Pins9 and 10 and resistance berween Pin10 and VCC. 10 Pulse width adjusting pin
1k
ICs for TV
Equivalent circuit
9
11
Sawtooth wave generating pin
Oscillation frequency can be changed by the capacitor to be connected to this pin.
11
12
Horizontal oscillation circuit reference voltage
DC
Oscillation frequency is changed by the resistor between this pin and GND.
12
3.3V
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR

▲Up To Search▲

Price & Availability of AN5792

	To Download AN5792 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .