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參數(shù)資料
| 型號(hào)： | NCV8843 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5 A, 340 kHz, Buck Regulator with Synchronization Capability(具有同步能力的1.5A, 340kHz, 降壓穩(wěn)壓器) |
| 中文描述： | 1.5甲，340千赫，巴克與同步功能（具有同步能力的1.5A的，340kHz，降壓穩(wěn)壓器穩(wěn)壓器） |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 186K |
| 代理商： | NCV8843 |
Semiconductor Components Industries, LLC, 2006
October, 2006 Rev. 1
1
Publication Order Number:
NCV8843/D
NCV8843
1.5 A, 340 kHz, Buck
Regulator with
Synchronization Capability
The NCV8843 is a 1.5 A buck regulator IC operating at a
fixedfrequency of 340 kHz. The device uses the V
2
architecture to provide unmatched transient response, the best overall
regulation and the simplest loop compensation for today’s highspeed
logic. The NCV8843 accommodates input voltages from 4.5 V to 40 V
and contains synchronization circuitry.
The onchip NPN transistor is capable of providing a minimum of
1.5 A of output current, and is biased by an external “boost” capacitor
to ensure saturation, thus minimizing onchip power dissipation.
Protection circuitry includes thermal shutdown, cyclebycycle
current limiting and frequency foldback.
control
Features
V
2
Architecture Provides UltraFast Transient Response, Improved
Regulation and Simplified Design
2.0% Error Amp Reference Voltage Tolerance
Switch Frequency Decrease of 4:1 in Short Circuit Conditions
Reduces Short Circuit Power Dissipation
BOOST Lead Allows “Bootstrapped” Operation to Maximize
Efficiency
Sync Function for Parallel Supply Operation or Noise Minimization
Shutdown Lead Provides PowerDown Option
1.0 A Quiescent Current During PowerDown
Thermal Shutdown
SoftStart
Internally Fused Leads in SO16L Package
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
PbFree Packages are Available
MARKING
DIAGRAMS
16
http://onsemi.com
SO16 WB
PW SUFFIX
CASE 751AG
1
16
NCV8843
AWLYYWWG
1
18LEAD DFN
MN SUFFIX
CASE 505
1
NCV8843
AWLYYWW
1
18
18
A
WL
YY
WW
E
G or
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Automotive Grade
= PbFree Package
(Note: Microdot may be in either location)
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
ORDERING INFORMATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV8843_10 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1.5 A, 340 kHz, Buck Regulator with Synchronization Capability |
| NCV8843DG | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 340 KHZ REGULATOR RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV8843DR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 340 KHZ REGULATOR RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV8843MNR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 18L DFN 5X6 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCV8843MNR2GEVB | 功能描述:電源管理IC開發(fā)工具 NCV8843 EVAL BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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