Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
Vertical Deflection Output Circuit
with Driver for TV Sets and Monitors
Ordering number:ENN2861A
LA7836
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
12501TN (KT)/90196RM/5188TA, TS No.28611/5
Package Dimensions
unit:mm
3107-SIP13H
[LA7836]
SANYO : SIP13H
Overview
The LA7836 is an IC that contains the vertical deflection
output circuit with a driver for color, B/W TV sets, moni-
tors, and display units with a large aperture (maximum de-
flection current 2.2Ap-p) and is placed in an SIP13H pack-
age.
The LA7836 features fewer external parts and low power
dissipation. Since both DC feedback and AC feedback can
be provided inside the IC, it is easy to design the vertical
deflection circuit.
The LA7836 can be used in conjunction with single-chip
IC LA7650 series (NTSC), LA7680 series (PAL/NTSC)
(VIF, SIF, video, chroma, and deflection circuit) to pro-
vide all the functions required for color TV signal process-
ing.
Features
Low power dissipation because of on-chip pump-up cir-
cuit.
On-chip 50/60Hz vertical amplitude control circuit.
On-chip ramp generator.
On-chip driver circuit.
Vertical output circuit.
On-chip thermal protection circuit.
Minimum number of external parts required.
Specifications
Maximum Ratings
at Ta = 25C
C
C
C/W
0.4
0.5
3.4
1.15
25.6
10.0
2.4
2.0
1.2
2.0
0.8
1
13
1.0min
4.5
15.4max
11.8
11.2
13.9
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LA7836
No.28612/5
Operating Characteristics
at Ta = 25C, +V
CC1
=12V, +V
CC7
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Operating Supply Voltage Conditions
Recommended Operating Conditions
Pin Assignment and Block Diagram
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LA7836
No.28613/5
Interface Circuit
Sample Application Circuit
Note) The values in parentheses are for a sample application where the +V
CC1
is 9V.
LA7836
No.28614/5
Proper Cares in Using the LA7836
Note 1) If horizontal components are mixed into pin 1, causing the interlace characteristic to worsen, provide
decoupling as shown above. The resistor value and capacitor value are shown as an example.
2) If oscillation occurs, connect the OSC blocking circuit as shown above.
However, if the deflection current increases, oscillation may not be blocked completely. In this case, change
the application circuit as shown below.
3) In some applications, the OSC blocking capacitor across pins 9 and 11 is connected across pin 9 and GND.
4) The threshold voltage on pin 2 is +V
CC1
/4. Set the input trigger level so that it intersects this threshold level.
The LA7836 operates on the negative transition of the trigger pulse.
5) Connect the radiator fin to GND.
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be expor ted without obtaining the expor t license from the author ities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co. , Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed for volume production. SANYO believes information herein is accurate and reliable, but
no guarantees are made or implied regarding its use or any infringements of intellectual property rights
or other rights of third parties.
This catalog provides information as of January, 2001. Specifications and information herein are subject
to change without notice.
LA7836
PS No.28615/5
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