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NCP5383 PDF даташит

Спецификация NCP5383 изготовлена ​​​​«ON Semiconductor» и имеет функцию, называемую «2 Phase Buck Controller».

Детали детали

Номер произв NCP5383
Описание 2 Phase Buck Controller
Производители ON Semiconductor
логотип ON Semiconductor логотип 

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NCP5383 Даташит, Описание, Даташиты
NCP5383
2 Phase Buck Controller
with Integrated Gate
Drivers and AVP
The NCP5383 is a two phase buck controller used in low voltage,
high current power supplies. Dual-edge pulse-width modulation
(PWM) combined with inductor current sensing and adaptive voltage
positioning (AVP) reduces system cost by providing the fastest initial
response to transient loads thereby requiring less bulk and ceramic
output capacitors to satisfy transient load-line requirements.
A high performance operational error amplifier is provided, which
allows for easy compensation of the system. Protection features
www.DaitnacSlhuedet4Uo.vceormcurrent protection, undervoltage lockout (UVLO),
thermal shutdown and power good monitor.
Features
ăDual-edge PWM for Fastest Initial Response to Transient Loading
ăHigh Performance Operational Error Amplifier
ă1% Internal Reference Voltage Accuracy
ăPhase-to-Phase Current Balancing
ă“Lossless” Differential Inductor Current Sensing
ăDifferential Current Sense Amplifiers for Each Phase
ăAdaptive Voltage Positioning (AVP)
ăFrequency Range: 100 kHz – 400 kHz Set by the Resistor
ăPower Good Output with Internal Delays
ăProgrammable Soft Start Time
ăIntegrated Gate Drivers
ăThis is a Pb-Free Device
Applications
ăPentium IV Processors
ăGraphics Cards
ăLow Voltage, High Current Power Supplies
http://onsemi.com
24 PIN QFN, 4x4
MN SUFFIX
CASE 485L
MARKING
DIAGRAM
1
5383
ALYWG
G
5383
A
L
Y
W
G
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb-Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
ROSC
ILIM
VCC
AGND
SS
COMP
VCCP
BG2
PGND2
SWN2
TG2
BST2
(Top View)
ORDERING INFORMATION
Device
Package
Shipping
NCP5383MNR2G QFN-24 4000 / Tape & Reel
(Pb-Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
©Ă Semiconductor Components Industries, LLC, 2007
December, 2007 - Rev. 3
1
Publication Order Number:
NCP5383/D









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NCP5383 Даташит, Описание, Даташиты
NCP5383
Vcore
SS
2
FAULT
SS
OVP (125% of VFB)
UVP (75% of VFB)
FB 7
AGND 4
PG
-
+
0.8 V
COMP
www.DataSheet4U.com
VDRP
6
8
CS1
CSN
9
10
11
CS2
Droop Amplifier
+
0.8 V
+
-
-
+
ROSC 1
OSCILLATOR
+
-
+
-
ILIM 2
12
EN
VCC
3
+
-
Fault
Logic
+
9V
+ UVLO
-
23
BST1
22
TG1
Gate Driver
I
21 SWN1
18
VCCP
19
BG1
20
PGND1
13
BST2
14
TG2
Gate Driver
II
15
SWN2
VCCP
17
BG2
16
PGND2
24 PG
Figure 1. Simplified Block Diagram
http://onsemi.com
2









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NCP5383 Даташит, Описание, Даташиты
1 ROSC
2 ILIM
24 PG
5 SS
Vcore
www.DataSheet4U.com
7 VFB
6 COMP
8 VDRP
9 CS1
10 CSN
11 CS2
NCP5383
NCP5383
VCC 3
12 V
5V
VCCP 18
BST1 23
VCC
VCCP
TG1 22
SWN1 21
BG1 19
PGND1 20
BST2 13
TG2 14
SWN2 15
BG2 17
VCCP
VCC
PGND2 16
EN 12
AGND 4
Figure 2. Typical Application Schematic
Vcore
http://onsemi.com
3










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