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LA7875: DescriptionVertical Deflection Output Circuit; File Size35KB，4 Pages; ManufacturerSANYO; Websitehttp://www.semic.sanyo.co.jp/english/index-e.html

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LA7875 Overview

Vertical Deflection Output Circuit

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Ordering number : EN6232

Monolithic Linear IC

LA7875N, 7876N

Vertical Deflection Output Circuit

Overview

The LA7875N, LA7876N are designed for use in internet

TVs and high-resolution CRT monitors that require a

narrow vertical return period. These ICs succeed in

achieving a narrow vertical return period by adopting a

new 3× pump-up technique in the voltage pump-up circuit.

Since this allows the use of a reference voltage lower than

that used with the 2× pump-up technique, the LA7875N,

LA7876N achieve a significant reduction in power

dissipation. Also, since the bus control system signal-

processing IC can control these ICs and these ICs can

directly drive the deflection yoke for all frequencies down

to DC from the sawtooth wave output, shift operation,

which is required for wide aspect ratio television, can be

controlled from the bus. Since the LA7875N has a

maximum deflection output current of 2.2 A p-p, it is

appropriate for use in medium-size CRTs. Since the

LA7876N has a maximum deflection output current of 3 A

p-p, it is appropriate for use in larger CRTs.

Package Dimensions

unit: mm

3248-SIP10H-D

[LA7875N]

25.6

C0.7

3.4

(10.0)

2.0

2.4

1.0min

1.37

2.54

0.5

1.15

4.5

13.9

11.2

(11.8)

15.4max

0.4

1.2

SANYO: SIP10H-D

unit: mm

3024A-SIP10H

[LA7876N]

27.0

20.0

R1.7

4.0

Features

•

3× voltage pump-up circuit

Low power dissipation

Operational amplifier type vertical output circuit

Capable of direct DC drive of the deflection yoke

Excellent crossover characteristics

7.0

1.4

0.5

2.54

2.07

0.4

2.0

SANYO: SIP10H

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.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

62599TH(OT) No. 6232-1/4

1.0 min

6.0

11.8

13.2max

8.4

LA7875N, 7876N

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 exported without obtaining the export license from the authorities 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 June, 1999. Specifications and information herein are subject to

change without notice.

PS No. 6232-4/4

LA7875 Related Products

	LA7875	LA7876	LA7876N	LA7875N
Description	Vertical Deflection Output Circuit	Vertical Deflection Output Circuit	Vertical Deflection Output Circuit	Vertical Deflection Output Circuit
Maker	-	SANYO	SANYO	SANYO
Parts packaging code	-	SFM	SFM	SFM
package instruction	-	, SIP10,.08	, SIP10,.08	, SIP10,.05
Contacts	-	10	10	10
Reach Compliance Code	-	unknow	unknow	unknow
application	-	TV; MONITOR	TV; MONITOR	TV; MONITOR
Blanking output	-	NO	NO	NO
Commercial integrated circuit types	-	VERTICAL DEFLECTION IC	VERTICAL DEFLECTION IC	VERTICAL DEFLECTION IC
JESD-30 code	-	R-PSFM-T10	R-XSFM-T10	R-XSFM-T10
Number of functions	-	1	1	1
Number of terminals	-	10	10	10
Maximum operating temperature	-	85 °C	85 °C	85 °C
Minimum operating temperature	-	-20 °C	-20 °C	-20 °C
Package body material	-	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED
Encapsulate equivalent code	-	SIP10,.08	SIP10,.08	SIP10,.05
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	FLANGE MOUNT	FLANGE MOUNT	FLANGE MOUNT
power supply	-	30 V	30 V	30 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified
Maximum supply voltage (Vsup)	-	33 V	33 V	33 V
Minimum supply voltage (Vsup)	-	16 V	16 V	16 V
surface mount	-	NO	NO	NO
Temperature level	-	OTHER	OTHER	OTHER
Terminal form	-	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	-	2.54 mm	2.54 mm	2.54 mm
Terminal location	-	SINGLE	SINGLE	SINGLE

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