LV58082MX Datasheet PDF - Sanyo Semicon Device
| Part Number | LV58082MX | |
| Description | Step-down Switching Regulator | |
| Manufacturers | Sanyo Semicon Device | |
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www.DataSheet.co.kr
Ordering number : ENA1863
Bi-CMOS IC
LV58082MX Step-down Switching Regulator
Overview
LV58082MX is a 1ch step-down switching regulator. 0.3Ω FET is incorporated on the upper side to achieve
high-efficiency operation for large output current. Low-heat resistance and compact-package MFP8 (200mil) employed.
Current mode control type, with superior load current response and easy phase compensation EN pin, allowing the standby
mode with the current drain of 100μA Pulse-by-pulse over-current protection and overheat protection available for
protection of load devices Soft start pin to be provided with a capacitance for soft start.
Functions
• 0.4A 1ch step-down switching regulator
• Wide input dynamic range ( to 28V)
• Standby mode
• Over-current protection
• Thermal shutdown
• Reference voltage: 0.8V
• Fixed frequency: 370kHz
• Soft start
• Compact package: MFP8 (200mil) with Heat sink
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum input VIN voltage
BOOT pin maximum voltage
SW pin maximum voltage
BOOT pin-SW pin maximum voltage
FB, EN, COMP, SS pin maximum
Symbol
VIN max
VBT max
VSW max
VBS-SW max
Vfs max
Conditions
Ratings
32
37
VIN max
7
7
Allowable power dissipation
Pd max
Mount on a specified board *
2.05
Junction temperature
Tj max
150
Operating temperature
Topr
-20 to 80
Storage temperature
Tstg
-40 to 150
* Specified board: 46.4mm × 31.8mm ×1.7mm, glass epoxy.
Note: Plan the maximum voltage while including coil and surge voltages, so that the maximum voltage is not exceeded even for an instant.
Unit
V
V
V
V
V
W
°C
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. 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.
O2710 SY 20101014-S00002 No.A1863-1/5
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LV58082MX
Considerations for the design
Insertion of serial beads in the Schottky diode for removal of noise may cause generation of the negative voltage
deviating from the absolute maximum rating at the SW pin, resulting in failure of normal operation. In such an event,
do not insert beads as above described and, instead, remove noise by means of the BOOT resistance Rb.
SANYO Semiconductor Co.,Ltd. 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 Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents 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 Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require 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 consent 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 Co.,Ltd. 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.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of October, 2010. Specifications and information herein are subject
to change without notice.
PS No.A1863-5/5
Datasheet pdf - http://www.DataSheet4U.net/
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