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參數資料
| 型號： | NCP5322ADWR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | LEAD FREE, SOIC-28 |
| 文件頁數： | 1/31頁 |
| 文件大小： | 726K |
| 代理商： | NCP5322ADWR2G |
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Semiconductor Components Industries, LLC, 2007
January, 2007 Rev. 5
1
Publication Order Number:
NCP5322A/D
NCP5322A
TwoPhase Buck Controller
with Integrated Gate
Drivers and 5Bit DAC
The NCP5322A is a secondgeneration, twophase step down
controller which incorporates all control functions required to power
high performance processors and high current power supplies.
Proprietary multiphase architecture guarantees balanced load current
distribution and reduces overall solution cost in high current
applications. Enhanced V
2
control architecture provides the fastest
possible transient response, excellent overall regulation, and ease of
use. The NCP5322A is a secondgeneration PWM controller because
it optimizes transient response by combining traditional Enhanced V
2
with an internal PWM ramp and fastfeedback directly from V
CORE
to
the internal PWM comparator. These enhancements provide greater
design flexibility, facilitate use and reduce output voltage jitter.
The NCP5322A multiphase architecture reduces output voltage
and input current ripple, allowing for a significant reduction in filter
size and inductor values with a corresponding increase in inductor
current slew rate. This approach allows a considerable reduction in
input and output capacitor requirements, as well as reducing overall
solution size and cost.
Features
Enhanced V
2
Control Method with Internal Ramp
Internal PWM Ramp
FastFeedback Directly from V
CORE
5Bit DAC with 1.0% Accuracy
Adjustable Output Voltage Positioning
4 OnBoard Gate Drivers
200 kHz to 800 kHz Operation Set by Resistor
Current Sensed through Buck Inductors or Sense Resistors
Hiccup Mode Current Limit
Individual Current Limits for Each Phase
OnBoard Current Sense Amplifiers
3.3 V, 1.0 mA Reference Output
5.0 V and/or 12 V Operation
On/Off Control (through Soft Start Pin)
Power Good Output with Internal Delay
PbFree Packages are Available
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Device
Package
Shipping
ORDERING INFORMATION
NCP5322ADW
SO28L
26 Units/Rail
NCP5322ADWR2
SO28L
1000 Tape & Reel
SO28L
DW SUFFIX
CASE 751F
A
WL
YY
WW
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
1
N
A
28
LGND
SS
V
CCL2
GATE(L)2
V
ID0
V
ID1
V
ID2
V
ID3
V
CCH1
PWRGD
GATE(H)1
CS
REF
GND
CS2
GATE(L)1
CS1
V
CCL1
V
DRP
V
CCL
V
FB
R
OSC
COMP
GND2
GATE(H)2
V
CCH2
V
ID4
I
LIM
REF
PIN CONNECTIONS AND
MARKING DIAGRAM
1
28
http://onsemi.com
NCP5322ADWG
SO28L
(PbFree)
26 Units/Rail
NCP5322ADWR2G
SO28L
(PbFree)
1000 Tape & Reel
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP5331 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two Phase PWM Controller with Integrated Gate Drivers |
| NCP5331_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331FTR2 | 功能描述:DC/DC 開關控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| NCP5331FTR2G | 功能描述:DC/DC 開關控制器 2 Phase Buck w/Gate Drivers for Athlon RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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