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NCP5222 PDF даташит

Спецификация NCP5222 изготовлена ​​​​«ON Semiconductor» и имеет функцию, называемую «High Performance Dual-Channel / Two-Phase Synchronous Buck Controller».

Детали детали

Номер произв NCP5222
Описание High Performance Dual-Channel / Two-Phase Synchronous Buck Controller
Производители ON Semiconductor
логотип ON Semiconductor логотип 

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NCP5222 Даташит, Описание, Даташиты
NCP5222
High Performance
Dual-Channel / Two-Phase
Synchronous Buck
Controller for Notebook
Power System
The NCP5222, a fasttransientresponse and highefficiency
dualchannel / twophase buck controller with builtin gate drivers,
provides multifunctional power solutions for notebook power system.
180° interleaved operation between the two channels / phases has a
capability of reducing cost of the common input capacitors and
improving noise immunity. The interleaved operation also can reduce
cost of the output capacitors with the twophase configuration. Input
supply voltage feedforward control is employed to deal with wide
input voltage range. Online programmable and automatic
powersaving control ensures high efficiency over entire load range.
Fast transient response reduces requirement on the output filters. In the
dualchannel operation mode, the two output power rails are regulated
individually. In the twophase operation mode, the two output power
rails are connected together by an external switch and currentsharing
control is enabled to balance power delivery between phases.
Features
Wide Input Voltage Range: 4.5 V to 27 V
Adjustable Output Voltage Range: 0.8 V to 3.3 V
Option for DualChannel and TwoPhase Modes
Fixed Nominal Switching Frequency: 300 kHz
180° Interleaved Operation Between the Two Channels in
ContinueConductionMode (CCM)
Adaptive Power Control
Input Supply Voltage Feedforward Control
TransientResponseEnhancement (TRE) Control
Resistive or Inductor’s DCR Current Sensing
0.8% Internal 0.8 V Reference
Internal 1 ms SoftStart
Output Discharge Operation
Builtin Adaptive Gate Drivers
Input Supplies Undervoltage Lockout (UVLO)
Output Overvoltage and Undervoltage Protections
Accurate Over Current Protection
Thermal Shutdown Protection
QFN28 Package
This is a PbFree Device
Typical Applications
CPU Chipsets Power Supplies
Notebook Applications
http://onsemi.com
MARKING
DIAGRAM
1
QFN28
CASE 485AR
N5222
ALYWG
G
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
7654321
8 CS2/
Vo2
9 CS2+
10 EN2/
SKIP2
11 BST2
12 DH2
13 SWN2
14 DL2
NCP5222
AGND
29
CS1/
Vo1
28
CS1+ 27
EN1/ 26
S KIP1
BST1 25
DH1 24
SWN1 23
DL1 22
15 16 17 18 19 20 21
(Top View)
ORDERING INFORMATION
Device
NCP5222MNR2G
Package
QFN28
(PbFree)
Shipping
4000 /
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.
© Semiconductor Components Industries, LLC, 2010
February, 2010 Rev. 0
1
Publication Order Number:
NCP5222/D









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NCP5222 Даташит, Описание, Даташиты
NCP5222
CS1/ Vo1
CS1+
1 ICS1
2 FB1
3 CO MP1
4 VIN
Vi n
5 CO MP2
6 FB2
7 ICS2
PGND1 21
PGO OD1 20
VCCP 19
DRVS / 18
2CH
VCC 17
PGO OD2 16
PGND2 15
PGOO D1
PGOO D2
CS2+
CS2/ Vo2
Figure 1. Typical Application Diagram for A DualChannel Application
http://onsemi.com
2









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NCP5222 Даташит, Описание, Даташиты
NCP5222
CS1/ Vo1
CS1+
1 ICS1
2 FB1
3 CO MP1
4 VIN
Vi n
5 CO MP2
6 FB2
7 ICS2
PGND1 21
PGOO D1 20
PG OO D1
VCCP 19
DRVS/
2CH
18
VCC 17
PGOO D2 16
PGND2 15 PG OO D2
CS2+
CS2/ Vo2
Figure 2. An Application Diagram for A TwoPhase Application
http://onsemi.com
3










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