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參數(shù)資料
| 型號： | NCP5331FTR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Two-Phase PWM Controller with Integrated Gate Drivers |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQFP32 |
| 封裝： | LQFP-32 |
| 文件頁數(shù)： | 1/38頁 |
| 文件大?。?/td> | 424K |
| 代理商： | NCP5331FTR2 |
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Semiconductor Components Industries, LLC, 2003
June, 2003 - Rev. 11
1
Publication Order Number:
NCP5331/D
NCP5331
TwoPhase PWM
Controller with Integrated
Gate Drivers
The NCP5331 is a second-generation, two-phase, buck controller
that incorporates advanced control functions to power 64-bit AMD
Athlon processors and low voltage, high current power supplies.
Proprietary multiphase architecture guarantees balanced load-current
sharing, reduces output voltage and input current ripple, decreases
filter requirements and inductor values, and increases output current
slew rate. Traditional Enhanced V
2
internal PWM ramp and voltage feedback directly from V
CORE
to the
internal PWM comparator. These features and enhancements deliver
the fastest transient response, reduce output voltage jitter, provide
greater design flexibility and portability, and minimize overall
solution cost.
Advanced features include adjustable power- good delay,
programmable overcurrent shutdown timer, superior overvoltage
protection (OVP), and differential remote sensing. An innovative
overvoltage protection (OVP) scheme safeguards the CPU during
extreme situations including power up with a shorted upper MOSFET,
shorting of an upper MOSFET during normal operation, and loss of
the voltage feedback signal, COREFB+.
has been combined with an
Features
Reduced SMT Package Size (7 mm
×
7 mm)
Enhanced V
2
Control Method
Four On-Board Gate Drivers
Internal PWM Ramps
Differential Remote Voltage Sense
Fast Feedback Pin (V
FFB
)
5-Bit DAC with 0.8% System Tolerance
Timed Hiccup Mode Current Limit
Power Good Output with Programmable Delay
Advanced Overvoltage Protection (OVP)
Adjustable Output Voltage Positioning
150 kHz to 600 kHz Operation Set by Resistor
“Lossless” Current Sensing through Output Inductors
Independent Current Sense Amplifiers
5.0 V, 2 mA Reference Output
http://onsemi.com
A
WL = Wafer Lot
YY
= Year
WW = Work Week
= Assembly Location
MARKING
DIAGRAMS
LQFP-32
FT SUFFIX
CASE 873A
NCP5331
AWLYYWW
ORDERING INFORMATION
NCP5331FTR2
LQFP-32
2000 Tape & Reel
Device
Package
Shipping
32
1
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| NCP5423 | Dual Out−of−Phase Synchronous Buck Controller with Current Limit |
| NCP5423DR2G | Dual Out−of−Phase Synchronous Buck Controller with Current Limit |
| NCP5424DG | Dual Synchronous Buck Controller with Input Current Sharing |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP5331FTR2G | 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate Drivers for Athlon RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5332A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332A/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332ADW | 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5332ADWR2 | 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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