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Ordering number : ENA0358
Monolithic Linear IC
LA5795T
Overview
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Tuner Power Supply Systems
The LA5795T is a tuner power supply systems.
Functions and Features
* 8x step-up charge pump system takes a 5V input and produces a 31V output. * Charge pump technique used to achieve a low-noise power supply.
Specifications
Maximum Ratings at GND = 0V
Ratings Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Mounted on the specified circuit board * -25 -40 Conditions min type max 7 400 +90 +150 Unit V mW C C
* Specified circuit board : 20.0x10.0x0.8mm3, paper-phenol board with 20% wiring density.
Allowable Operating Ranges at Ta = 25C, VCC = 5V, GND = 0V (unless otherwise specified)
Ratings Parameter Supply voltage Operating temperature Timing capacitance Oscillator frequency Symbol VDD Ta COSC fOSC Conditions min 4.5 -10 56 40 type 5 max 5.5 80 330 250 Unit V C pF kHz
Any and all SANYO Semiconductor 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 Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor 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 Semiconductor products described or contained herein.
92706 / 51206 MS OT 20051227-S00001 No.A0358-1/5
LA5795T
Electrical Characteristics at Ta = 25C , VCC = 5V, GND = 0V (unless otherwise specified)
Ratings Parameter Current drain Output voltage Output voltage fluctuations Oscillator frequency Frequency fluctuations 1 Frequency fluctuations 2 Symbol IIN VOUT VOUT fOSC fdv fdt Conditions IO = 1mA, VCC = 5.0V IO = 1mA, VCC = 5.0 to 5.25V IO = 1mA, VCC = 5.0 to 5.25V COSC = 100pF VCC = 4.5V to 5.5V -10C to 80C 95 min 26 29 type 31 31 1 120 25 25 145 max 38 34 Unit mA V V kHz % %
Package Dimensions
unit : mm
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3.0 10 6
3.0 4.9
1 (0.5) 0.5
5 0.2
(0.85)
0.125
SANYO : MSOP10(150mil)
Pin Assignment
0.08
1.1 max
0.5
No.A0358-2/5
LA5795T
Block Diagram and Recommended Application Circuit
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*: Items in parentheses are the voltages actually applied to the capacitors.
No.A0358-3/5
LA5795T
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No.A0358-4/5
LA5795T
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Specifications of any and all SANYO Semiconductor 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 Semiconductor 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 Semiconductor 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 Semiconductor 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 Semiconductor 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 Semiconductor 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 May, 2006. Specifications and information herein are subject to change without notice. PS No.A0358-5/5

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