Datasheet > NCP5322A/D

NCP5322A/D

更新时间： 2024-11-14 23:53:27

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器栅极栅极驱动控制器
页数	文件大小	规格书
32页	1090K
描述
Two-Phase Buck Controller with integrated Gate Drivers and 5-Bit DAC

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NCP5322A/D 数据手册

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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

http://onsemi.com

applications. Enhanced V  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

SO–28L

DW SUFFIX

CASE 751F

with an internal PWM ramp and fast–feedback directly from V

CORE

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.

PIN CONNECTIONS AND

MARKING DIAGRAM

COMP

OSC

CCL

CCL1

DRP

CS1

GATE(L)1

CS2

REF

PWRGD

GND

Features

GATE(H)1

• Enhanced V Control Method with Internal Ramp

CCH1

• Internal PWM Ramp

LGND

ID0

ID1

ID2

ID3

ID4

LIM

• Fast–Feedback Directly from V

CORE

CCL2

• 5–Bit DAC with 1.0% Accuracy

GATE(L)2

GND2

GATE(H)2

• Adjustable Output Voltage Positioning

• 4 On–Board Gate Drivers

REF

CCH2

• 200 kHz to 800 kHz Operation Set by Resistor

• Current Sensed through Buck Inductors or Sense Resistors

• Hiccup Mode Current Limit

= Assembly Location

WL, L = Wafer Lot

YY, Y = Year

• Individual Current Limits for Each Phase

• On–Board Current Sense Amplifiers

• 3.3 V, 1.0 mA Reference Output

WW, W = Work Week

ORDERING INFORMATION

Device

Package

Shipping

• 5.0 V and/or 12 V Operation

• On/Off Control (through Soft Start Pin)

• Power Good Output with Internal Delay

NCP5322ADW

27 Units/Rail

SO–28L

NCP5322ADWR2

1000 Tape & Reel

 Semiconductor Components Industries, LLC, 2001

Publication Order Number:

December, 2001 – Rev. 4

NCP5322A/D

12 3 4 5 6 7...32

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与NCP5322A/D相关器件

型号	品牌	获取价格	描述	数据表
NCP5322A_07	ONSEMI	获取价格	Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
NCP5322ADW	ONSEMI	获取价格	TWO-PHASE BUCK CONTROLLER WITH INTEGRATED GATE DRIVERS AND 5-BIT DAC
NCP5322ADWG	ONSEMI	获取价格	Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
NCP5322ADWR2	ONSEMI	获取价格	TWO-PHASE BUCK CONTROLLER WITH INTEGRATED GATE DRIVERS AND 5-BIT DAC
NCP5322ADWR2G	ONSEMI	获取价格	Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
NCP5331	ONSEMI	获取价格	Two-Phase PWM Controller with Integrated Gate Drivers
NCP5331/D	ONSEMI	获取价格	Two Phase PWM Controller with Integrated Gate Drivers
NCP5331_05	ONSEMI	获取价格	Two-Phase PWM Controller with Integrated Gate Drivers
NCP5331FTR2	ONSEMI	获取价格	Two-Phase PWM Controller with Integrated Gate Drivers
NCP5331FTR2G	ONSEMI	获取价格	Two-Phase PWM Controller with Integrated Gate Drivers

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