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LV5052V fiches techniques PDF

Sanyo Semicon Device - DC-DC Converter Controller

Numéro de référence LV5052V
Description DC-DC Converter Controller
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LV5052V fiche technique
www.DataSheet.co.kr
Ordering number : ENA1394
LV5052V
Bi-CMOS IC
Built-in 2-channels
DC/DC Converter Controller
Overview
The LV5052V is a high efficiency DC/DC converter controller with 2-channels IC adopting a synchronous rectifying
system. Incorporating numerous functions on a single chip with easy external setting, it can be used for a wide variety of
applications. This device is optimal for use in internal power supply systems which are used in electronic devices,
LCD-TVs, DVD recorders, etc.
Functions
Step-down DC/DC converter controller with 2-channel
Built-in input UVLO circuit, Over current detection function, soft-start/soft-stop function and Start-up delay circuit
Built-in output voltage monitor function (Under voltage protection with power good and timer latch)
180 degree interleaving operation during 1-phase to 2-phase
Synchronized operation is possible (Master-slave operation is possible when using plural devices)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Supply voltage
Output peak current
Allowable power dissipation
VIN
IOUT
Pd max
Mounted on a specified board *1
Operating temperature
Topr
Storage temperature
Tstg
*1: Specified board: 114.3mm × 76.1mm ×1.6mm, glass epoxy board.
Ratings
18
±1.0
1.0
-20 to 85
-55 to +150
Unit
V
A
W
°C
°C
Continued on next page.
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.
12809 MS 20081209-S00004 No.A1394-1/9
Datasheet pdf - http://www.DataSheet4U.net/

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