Datasheet > LNK362PG

LNK362PG

更新时间： 2024-02-04 10:18:58

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		开关
页数	文件大小	规格书
16页	793K
描述
Energy Effi cient, Low Power Off-Line Switcher IC

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技术参数
数据手册

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LNK362PG 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.74
Is Samacsys：	N	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

LNK362PG 数据手册

LNK362-364

TOP VIEW

Y1-

Capacitor

Input Filter

Capacitor

HV DC

INPUT

C_BP

Opto-

coupler

Maximize hatched copper

areas (

) for optimum

heatsinking

Output Filter

Capacitor

OUT

PI-4585-021607

Figure 7. Recommended Printed Circuit Layout for LinkSwitch-XT using D Package in a Flyback Converter Conﬁguration.

capacitor should be minimized. In addition, sufﬁcient copper

area should be provided at the anode and cathode terminals

of the diode for heat sinking. A larger area is preferred at the

quiet cathode terminal. A large anode area can increase high

frequency radiated EMI.

saturationandexcessiveleading-edgecurrentspikesatstartup.

Repeatundersteadystateconditionsandverifythattheleading-

edge current spike event is below I_LIMIT(MIN)at the end of the

t_LEB(MIN). Under all conditions, the maximum drain current

should be below the speciﬁed absolute maximum ratings.

3. Thermal Check – At speciﬁed maximum output power,

minimuminputvoltageandmaximumambienttemperature,

verify that the temperature speciﬁcations are not exceeded

for LinkSwitch-XT, transformer, output diode and output

capacitors. Enough thermal margin should be allowed for

part-to-part variation of the R_DS(ON)of LinkSwitch-XT as

speciﬁedinthedatasheet.Underlowline,maximumpower,

a maximum LinkSwitch-XT SOURCE pin temperature of

105 °C is recommended to allow for these variations.

Quick Design Checklist

As with any power supply design, all LinkSwitch-XT designs

should be veriﬁed on the bench to make sure that component

speciﬁcationsarenotexceededunderworst-caseconditions.The

following minimum set of tests is strongly recommended:

1. Maximum drain voltage – Verify that V_DSdoes not exceed

650Vatthehighestinputvoltageandpeak(overload)output

power. The 50 V margin to the 700 V BV_DSSspeciﬁcation

gives margin for design variation, especially in Clampless

designs.

2. Maximumdraincurrent–Atmaximumambienttemperature,

maximum input voltage and peak output (overload) power,

verify drain current waveforms for any signs of transformer

Design Tools

Up-to-date information on design tools can be found at the

Power Integrations web site: www.powerint.com.

2-7

Rev. E 11/08

1...4 5 678 9 10...16

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