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參數(shù)資料
| 型號： | NCP5322ADW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)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： | SOIC-28 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | NCP5322ADW |
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Semiconductor Components Industries, LLC, 2001
December, 2001 – Rev. 4
1
Publication Order Number:
NCP5322A/D
The NCP5322A is a second–generation, two–phase step down
controller which incorporates all control functions required to power
high performance processors and high current power supplies.
Proprietary multi–phase 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 second–generation PWM controller because
it optimizes transient response by combining traditional Enhanced V
2
with an internal PWM ramp and fast–feedback directly from V
CORE
to
the internal PWM comparator. These enhancements provide greater
design flexibility, facilitate use and reduce output voltage jitter.
The NCP5322A multi–phase 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
Fast–Feedback Directly from V
CORE
5–Bit DAC with 1.0% Accuracy
Adjustable Output Voltage Positioning
4 On–Board 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
On–Board 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
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
NCP5322ADW
SO–28L
27 Units/Rail
NCP5322ADWR2
SO–28L
1000 Tape & Reel
SO–28L
DW SUFFIX
CASE 751F
A
WL, L
YY, Y
WW, W = Work Week
= Assembly Location
= Wafer Lot
= Year
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCP5322ADWR2 | STATIC PROTECTION RoHS Compliant: Yes |
| NCP5332ADW | Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332ADWR2 | Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332A | Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5351MNR2 | 4 A Synchronous Buck Power MOSFET Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP5322ADWG | 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 |
| NCP5322ADWR2 | 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 |
| NCP5322ADWR2G | 制造商:Rochester Electronics LLC 功能描述: 制造商:ON Semiconductor 功能描述: |
| 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 |
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