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參數(shù)資料
| 型號(hào)： | NCP5332ADWR2 |
| 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)： | 1/30頁 |
| 文件大小： | 328K |
| 代理商： | NCP5332ADWR2 |
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Semiconductor Components Industries, LLC, 2003
August, 2003 Rev. 4
1
Publication Order Number:
NCP5332A/D
NCP5332A
TwoPhase Buck Controller
with Integrated Gate
Drivers and 5Bit DAC
The NCP5332A 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 NCP5332A 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 NCP5332A 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
VRM 9.X 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 V and 12 V, or 12 V Only Operation
On/Off Control (through Soft Start Pin)
Power Good Output with Internal Delay
Device
Package
Shipping
ORDERING INFORMATION
NCP5332ADW
SO28L
26 Units/Rail
NCP5332ADWR2
SO28L
1000 Tape & Reel
SO28L
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
http://onsemi.com
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| NCP5338MNR2G | 制造商:ON Semiconductor 功能描述:INTEGRATED DRIVER AND MOS - Tape and Reel 制造商:ON Semiconductor 功能描述:INTEGRATED DRIVER AND MOS - Cut TR (SOS) 制造商:ON Semiconductor 功能描述:REEL / INTEGRATED DRIVER AND MOS 制造商:ON Semiconductor 功能描述:Integrated Driver and MOSFET |
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| NCP5351/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4A Synchronous Buck Power Mosfet Driver |
| NCP5351D | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| NCP5351DG | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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