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PDF LV5044V Data sheet ( Hoja de datos )
| Número de pieza | LV5044V | |
| Descripción | DC-DC Converter Controller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0534
LV5044V
Bi-CMOS IC
2ch step-down circuit
DC-DC Converter Controller
Overview
The LV5044V is a high efficiency, 2-channel, step-down, DC-DC converter controller 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. The device is optimal for use in multi-output power supply systems which are used in LCD-TVs,
DVD recorders, game machines, high-end office products, etc.
Features
• Provides dual step-down DC-DC converter controller circuits integrated on the same chip.
• Provides an input UVLO circuit, an overcurrent detection function, an overtemperature detection function, soft start/soft
stop functions, and a startup delay circuit.
• Output voltage monitoring functions (power good as well as OVP and UVP with timer latch functions)
• 180° interleaved operation between phase 1 and phase 2 (supports multiphase drive in 2-phase parallel operation mode).
• Supports synchronous operation between different devices (supports master/slave operation when multiple devices are
used).
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Supply voltage
Peak output current
Allowable power dissipation
VIN
IOUT
Pd max
*1
Operating temperature
Topr
Storage temperature
Tstg
*1 Board size: 114.3×76.1×1.6mm3, glass epoxy board.
Conditions
Ratings
Unit
18 V
±1.0 A
1W
-20 to +85
°C
-55 to +150
°C
Continued on next page.
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 usingany 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.
N2806 MS PC 20060927-S00009 No.A0534-1/7
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LV5044V
Block Diagram and Sample Application Circuit
No.A0534-5/7
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LV5044V.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LV5044V | DC-DC Converter Controller | Sanyo Semicon Device |
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