參數資料
型號: LV5050NV
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.225 INCH, SSOP-20
文件頁數: 1/6頁
文件大?。?/td> 93K
代理商: LV5050NV
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
'sproductsor
equipment.
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
'sproductsor
equipment.
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.
D1208 MS 20080356-S00007 No.A1159-1/7
LV5050NV
Overview
The LV5050NV is a high efficiency 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. 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 1-channel
Input UVLO circuit,
Built-in over current detection function
Built-in soft-start/soft-stop function
Built-in start-up delay circuit
Built-in output voltage monitor function (Under voltage protection with power good and timer latch)
Synchronized operation is possible between different devices.
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VIN
18
V
Allowable power dissipation
Pd max
Mounted on a specified board*
800
mW
Junction temperature
Tj
150
°C
Operating temperature
Topr
-20 to 85
°C
Storage temperature
Tstg
-55 to +150
°C
* Specified board: 114.3mm
× 76.1mm ×1.6 mm, glass epoxy board.
Continued on next page.
Bi-CMOS IC
DC / DC Converter Controller
Ordering number : ENA1159
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相關代理商/技術參數
參數描述
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