Datasheet > NCP4318ALLDR2G

NCP4318ALLDR2G

更新时间： 2024-11-09 11:11:43

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
25页	1379K
描述
Dual Channel Synchronous Rectification Controller

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NCP4318ALLDR2G 数据手册

DATA SHEET

www.onsemi.com

Advanced Synchronous

Rectifier Controller for LLC

Resonant Converter

SOIC−8 EP

CASE 751AC

SOIC−8, 150 mils

CASE 751BD

NCP4318

MARKING DIAGRAM

NCP4318 is an advanced synchronous rectification (SR) controller

for LLC resonant converter with minimum external components. It

has two gate drivers for driving the SR MOSFETs rectifying the

outputs of the secondary transformer windings. The two gate drivers

have their own drain and source sensing pins and operate

independently of each other. The advanced adaptive dead time control

compensates the voltage across parasitic inductance to minimize the

body diode conduction and maximize the system efficiency. The

advanced turn−off control algorithm allows stable SR operation over

entire load range. NCP4318 has two versions of pin assignment –

NCP4318A, NCP4318B, and two types of package – SOIC−8 and

SOIC−8 EP.

NCP4318

UVWX

AWLYYWW

= Pin Layout, A and B

= Frequency, H: High, L: Low

WX = Additional IPT Option

= Assembly Location

WL = Wafer Lot Traceability

YYWW = Date Code

Features

• Mixed Mode SR Turn−off Control

PIN CONNECTIONS

• Anti Shoot−through Control for Reliable SR Operation

• 200 V−rated Drain Sensing and Dedicated Source Sensing Pins

• Advanced Adaptive Dead Time Control

NCP4318AXX

GATE1

GND

VS1

GATE2

VDD

VD2

• SR Current Inversion Detection

• Adaptive Minimum Turn−on Time for Noise Immunity

• SR Conduction Time Increase Rate Limitation

• Multi−level Turn−off Threshold Voltage

VD1

VS2

• Adaptive Gate Voltage (10 V, 6 V)

NCP4318BXX

• Low Operating Current (100 mA) in Green Mode

• Soft Start with 0 V / 6 V Gate Output Voltage

• Short Turn−on and Turn−off Delay Time (30 ns / 30 ns)

• High Gate Sourcing and Sinking Current (1.5 A / 4.5 A)

• Wide Operating Supply Voltage Range from 6.5 V to 35 V

• Wide Operating Frequency Range (22 kHz to 500 kHz)

• SOIC−8 and SOIC−8 EP Packages

GATE1

GND

VD1

GATE2

VDD

VD2

VS1

VS2

(Top View)

• These Devices are Pb−Free and are RoHS Compliant

Applications

• High Power Density Adapters

ORDERING INFORMATION

See detailed ordering, marking and shipping information on

page 3 of this data sheet.

• Large Screen LED−TV and OLED−TV Power Supplies

• High Efficiency Desktop and Server Power Supplies

• Networking and Telecom Power Supplies

• High Power LED Lighting

Publication Order Number:

March, 2023 − Rev. 8

NCP4318/D

12 3 4 5 6 7...25

中文翻译

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与NCP4318ALLDR2G相关器件

型号	品牌	获取价格	描述	数据表
NCP4318ALS	ONSEMI	获取价格	Advanced Synchronous Rectifier Controller for LLC Resonant Converter
NCP4318ALSDR2G	ONSEMI	获取价格	Dual Channel Synchronous Rectification Controller
NCP4318BLC	ONSEMI	获取价格	Advanced Synchronous Rectifier Controller for LLC Resonant Converter
NCP4318BLCDR2G	ONSEMI	获取价格	Dual Channel Synchronous Rectification Controller
NCP431A	ONSEMI	获取价格	Programmable Precision References
NCP431ACDR2G	ONSEMI	获取价格	Programmable Precision References
NCP431ACLPRAG	ONSEMI	获取价格	Programmable Precision References
NCP431ACSNT1G	ONSEMI	获取价格	Programmable Precision References
NCP431AIDR2G	ONSEMI	获取价格	Programmable Precision References
NCP431AILPRAG	ONSEMI	获取价格	Programmable Precision References

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