SG6846

更新时间： 2024-10-28 09:27:39

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
8页	337K
描述
Control a Flyback Power Supply with Surge Current Output

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SG6846 数据手册

www.fairchildsemi.com

AN-6846

Applying SG6846 to Control a Flyback Power Supply with

Surge Current Output

Summary

This application note describes a detailed design strategy for

high-efficiency, compact flyback converter. Design

considerations, mathematical equations, and guidelines for

printed circuit board layout are presented.

Applications

General-purpose switch-mode power supplies and flyback

power converters, including:

Power Adapters

Open-frame SMPS

SMPS with Surge-current Output, such as for Printers,

Scanners, Motor Drivers

Figure 1. Pin Configuration

0.9V/0.7V

V_DD

VIN

Soft

Driver

Over-Power Compensation

1.18-0.08

GATE

Green

Mode

OSC

DD -TH-G

Internal

BIAS

VDD

UVLO

16.5V/10.5V

Latch

Slope

Compensation

Blanking

Circuit

SENSE

23.6V

/2R

ꢀ

Debounce

I_RT

OCP

Delay

1.05V

1.15V

GND

Figure 2. Block Diagram

Rev. 1.3.2 • 9/26/08

www.fairchildsemi.com

12 3 4 5 6 7 8

中文翻译

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SG6846A	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846A_08	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846ACSY	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846ACSZ	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846ALSY	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846ALSZ	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846B	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846BCSY	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846BCSZ	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller
SG6846BLSY	FAIRCHILD	获取价格	Highly Integrated Green-Mode PWM Controller