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參數(shù)資料
| 型號(hào)： | NCP9001 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 192K |
| 代理商： | NCP9001 |
Semiconductor Components Industries, LLC, 2006
August, 2006
Rev. 2
1
Publication Order Number:
NCP9001/D
NCP9001
1.5 MHz, 600 mA,
HighEfficiency, Low
Quiescent Current,
Adjustable Output Voltage
StepDown Converter
The NCP9001 step
down PWM DC
DC converter is optimized for
portable applications powered from one cell Li
ion or three cell
Alkaline/NiCd/NiMH batteries. The device is available in an adjustable
output voltage from 0.9 V to 3.3 V. It uses synchronous rectification to
increase efficiency and reduce external part count. The device also has a
built
in 1.5 MHz (nominal) oscillator which reduces component size by
allowing a small inductor and capacitors. Automatic switching
PWM/PFM mode offers improved system efficiency.
Finally, it includes an integrated soft
start, cycle
by
cycle current
limiting, and thermal shutdown protection. The NCP9001 is
available in the space saving, low profile TSOP5 package.
Features
95.3% of Efficiency for 3.3 V Output and 4.2 V Input and 80 mA
Load
Current
Sources up to 600 mA
1.5 MHz Switching Frequency
Adjustable Output Voltage from 0.9 V to 3.3 V
30 A Quiescent Current
Synchronous Rectification for Higher Efficiency
2.7 V to 5.5 V Input Voltage Range
Thermal Limit Protection
Shutdown Current Consumption of 0.3 A
Short Circuit Protection
This is a Pb
Free Device
Typical Applications
Cellular Phones, Smart Phones and PDAs
Digital Still/Video Cameras
MP3 Players and Portable Audio Systems
Wireless and DSL Modems
Portable Equipment
USB Powered Devices
GND
2
VIN
1
EN
3
LX
5
FB
4
OFF ON
VIN
CIN
COUT
R1
R2
Cff
Figure 1. Typical Application
L
VOUT
TSOP
5
SN SUFFIX
CASE 483
http://onsemi.com
MARKING
DIAGRAM
1
5
Device
Package
Shipping
ORDERING INFORMATION
NCP9001SNT1G
TSOP
5
(Pb
Free)
3000/Tape & Reel
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
DBP
A
Y
W
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb
Free Package
(Note: Microdot may be in either location)
1
5
DBPAYW
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| NCP9001SNT1G | 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP9001SNT1G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 LED DRIVER 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 |
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| NCP9002FCT2G | 功能描述:音頻放大器 ASEKT (TW4) AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP9003 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Compact Backlight LED Boost Driver |
| NCP9003SNT1G | 功能描述:LED照明驅(qū)動(dòng)器 SBN_BE LED DRIEVR RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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