Datasheet > NCP1362ABDR2G

NCP1362ABDR2G

更新时间： 2024-11-11 02:52:51

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
30页	639K
描述
Primary Side PWM Controller for Low Power Offline SMPS

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中文翻译

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NCP1362ABDR2G 数据手册

Primary Side PWM

Controller for Low Power

Offline SMPS

NCP1362

The NCP1362 offers a new solution targeting output power levels

from a few watts up to 50 W in a universal−mains flyback application.

Thanks to a Novel Method this new controller saves the secondary

feedback circuitry for Constant Voltage and Constant Current

regulation, achieving excellent line and load regulation without

traditional opto coupler and TL431 voltage reference.

The NCP1362 operates in valley lockout quasi−resonant peak

current mode control mode at high load to provide high efficiency.

When the power on the secondary side starts to diminish, the

controller automatically adjusts the duty−cycle then at lower load the

controller enters in pulse frequency modulation at fixed peak current

with a valley switching detection. This technique allows keeping the

output regulation with tiny dummy load. Valley lockout at the first 4

valleys prevent valley jumping operation and then a valley switching

at lower load provides high efficiency.

www.onsemi.com

SOIC−8

CASE 751AZ

MARKING DIAGRAM

P1362yy

ALYW

Features

• Constant Voltage Primary−Side Regulation < 5%

• Constant Current Primary−Side Regulation < 5%

IC (Pb−Free)

P1362yy = Specific Device Code

(See page 28)

• LFF and BO Feature on a Dedicated Pin:

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

♦ BO Detection

♦ LFF for CC Regulation Improvement

• Quasi−Resonant with Valley Switching Operation

• Optimized Light Load Efficiency and Stand−by Performance

• Maximum Frequency Clamp (No Clamp, 80, 110 and 140 kHz)

• Cycle by Cycle Peak Current Limit

PINOUT DIAGRAM

• Output Voltage Under Voltage and Over Voltage Protection

(UVP or OVP)

Vs/ZCD

BO/LFF

VCC

GND

COMP

Fault

• Secondary Diode or Winding Short−Circuit Protection

• Wide Operation V Range (up to 28 V)

DRV

• Low Start−up Current

(Top View)

• CS & V /ZCD Pin Short and Open Protection

• Internal Temperature Shutdown

ORDERING INFORMATION

See detailed ordering and shipping information on page 28 of

this data sheet.

• Internal and Fixed Frequency Jittering for Better EMI Signature

• Dual Frozen Peak Current to Both Optimize Light Load Efficiency

(10% Load) and Stand−by Performance (No−load)

• Fault Input for Severe Fault Conditions, NTC Compatible for OTP

• These are Pb−Free Devices

Applications

• Low Power ac−dc Adapters for Routers and Set−Top Box

• Low Power ac−dc Adapters for Chargers

Publication Order Number:

July, 2020 − Rev. 2

NCP1362/D

12 3 4 5 6 7...30

中文翻译

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与NCP1362ABDR2G相关器件

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NCP1365	ONSEMI	获取价格	Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Contro
NCP1365AABCYDR2G	ONSEMI	获取价格	Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Contro
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NCP1365BABCYDR2G	ONSEMI	获取价格	Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Contro
NCP1366AABAYDR2G	ONSEMI	获取价格	低功耗离线恒定电流 PWM 电流模式控制器，带高电压启动电流源
NCP1366BABAYDR2G	ONSEMI	获取价格	低功耗离线恒定电流 PWM 电流模式控制器，带高电压启动电流源
NCP1366BABCYDR2G	ONSEMI	获取价格	低功耗离线恒定电流 PWM 电流模式控制器，带高电压启动电流源
NCP1366EABAYDR2G	ONSEMI	获取价格	低功耗离线恒定电流 PWM 电流模式控制器，带高电压启动电流源
NCP136AFCRC040T2G	ONSEMI	获取价格	LDO Regulator - Very Low Dropout, CMOS, Bias Rail 700 mA
NCP136AFCRC080T2G	ONSEMI	获取价格	LDO Regulator - Very Low Dropout, CMOS, Bias Rail 700 mA

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